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Senior Network Engineer
Redhorse Corporation
Arlington, Virginia
In office
Senior
Private salary
RECENTLY POSTED

About the Organization Now is a great time to join Redhorse Corporation. We are a solution-driven company delivering data insights and technology solutions to customers with missions critical to U.S. national interests. Were looking for thoughtful, skilled professionals who thrive as trusted partners building technology-agnostic solutions and want to apply their talents supporting customers with difficult and important mission sets. About the Role Redhorse transforms the way government uses data and technology. To support this mission, we are seeking a Senior Network Engineer to support the Department of Justice (DOJ) National Classified Services program. In this high-impact role, you will be the backbone of the Justice Consolidated Office Network (JCON) and National Security Division Networks (NSDNet), ensuring 99% system availability for mission-critical operations. You will tackle complex architectural challenges, manage sophisticated routing schemes, and support both local D.C. sites and remote locations. This is an opportunity to apply your technical expertise to a mission that directly supports national security and the rule of law. Key Responsibilities Lead the design, engineering, and administration of high-availability classified network infrastructures. Ensure 99% system availability across JCON and NSDNet through proactive architectural modeling and monitoring. Manage complex traffic routing schemes and integrate local systems with the Justice Unified Telecommunications Network (JUTNet). Plan, configure, and document enterprise network devices and topologies using Cisco and Juniper hardware. Oversee the deployment and maintenance of Type-1 encryption devices and adhere to strict COMSEC protocols. Perform advanced troubleshooting for end-point patching and complex networking issues across both copper and fiber optic media. Provide technical support for both local Washington, D.C. sites and remote CONUS/OCONUS locations as required. Required Experience/Clearance Active Top Secret (TS) security clearance with SCI eligibility (DOJ Adjudicated). 8+ years of experience in network engineering, specifically within high-availability classified environments. Expert-level experience configuring and maintaining Cisco and Juniper network hardware. Proven expertise in network address space management and sophisticated traffic routing schemes. Hands-on experience with COMSEC, including the configuration of Type-1 encryption devices. Technical proficiency with physical layer infrastructure, including copper and fiber optic cabling. Ability to work on-site in the Washington, D.C. Metropolitan Area (OCDETF, DOJ ERF, and RFK Main Justice Building). Desired Experience Direct experience with the Justice Unified Telecommunications Network (JUTNet). Professional-level certifications such as CCNP, CCIE, JNCIP, or JNCIE. DoD 8570 IAT Level II or III certification (e.g., Security+, CASP+, or CISSP). Familiarity with Citrix-based Virtual Desktop Infrastructure (VDI) network requirements. Experience with VMware networking within virtualized data center environments. Proficiency with automated network monitoring and management tools. Bachelors degree in Computer Science, Engineering, or a related technical field. Equal Opportunity Employer/Veterans/Disabled Accommodations: If you are a qualified individual with a disability or a disabled veteran, you may request a reasonable accommodation if you are unable or limited in your ability to access job openings or apply for a job on this site as a result of your disability. You can request reasonable accommodations by contacting Talent Acquisition at Talent-Acquisition@redhorsecorp.com Redhorse Corporation shall, in its discretion, modify or adjust the position to meet Redhorses changing needs. This job description is not a contract and may be adjusted as deemed appropriate in Redhorses sole discretion.

Senior Python Developer
Leidos
Multiple locations
In office
Senior
$131,300 - $237,350
RECENTLY POSTED
+10

Description

Who We Are:

Kudu Dynamics is a Leidos owned company, forged out of a decade of experience in computer network operations and staffed with talent who have built, overseen, and enhanced capabilities throughout the entire USG arsenal. Our team of hackers, engineers, makers, and shakers have expe­rience spanning centuries of research, development, and oper­ations missions - across desktop, mobile, IoT, and embedded platforms. Kudu Dynamics is uniquely qualified to anticipate tomorrow’s threats and build the next of capabilities.

Job Description:

Join a growing team of security researchers and software engineers as we transition a state-of-the-art IoT security solution from the lab to multiple customers. This role sits at the intersection of helping end users, developing new features, and coordinating with technical partners to integrate new datasets and technologies. This position can be in Columbia, Maryland or Chantilly, Virginia.

Minimum Requirements

  • US Citizenship with TS/SCI and Counter-Intelligence Polygraph clearance
  • Four years of experience in a Python Development role
  • Bachelor’s degree in computer science, Software Engineering, Computer Engineering, or related field
  • Expertise in scripting (Python, shell scripting)
  • Expertise with Docker and container orchestration (Nomad, Kubernetes, Docker Swarm)
  • Proficiency in software development in Python
  • Experience with infrastructure as code (Terraform, Ansible)
  • Experience delivering solutions on AWS
  • Experience with system monitoring, introspection, and visualization technologies (Grafana, Prometheus, ELK stack)
  • Experience with GitLab CI/CD
  • Experience working in an Agile Scrum development team
  • Database administration/development experience with PostgreSQL or similar
  • Experience supporting full-stack solutions including RESTful API and Angular-based web UI
  • Experience with networking protocols (TCP, UDP, HTTPS, TLS)
  • Experience with user management and onboarding new users
  • Experience with Twelve-Factor App methodology
  • Linux system administration experience
  • Self-starter requiring minimal supervision
  • Intelligent, proactive, and driven to achieve results

Specific Duties

  • Troubleshoot and maintain the deployed application
  • Onboard and managing new users
  • Actively search for and screen new data sources and technologies to meet program demands
  • Serve as primary point of contact for current and future data sources/technical partners
  • Set up technical exchange meetings and gather/catalogue data information
  • Understand security restrictions and access requirements

Education Requirements

  • BS/MS (BA/MA) in a technical degree field, plus a minimum of 4 years directly related experience
  • In lieu of a degree, 10 years of directly related experience

Technical Skills

  • Expertise with Linux system administration
  • Expertise in scripting (Bash, Python)
  • Expertise with container build tools (Docker, Buildah)
  • Expertise with Kubernetes (installing, managing, operating)
  • Experience with Kubernetes CD tools (FluxCD, ArgoCD)
  • Experience with infrastructure as code (Terraform, Helm)
  • Experience delivering solutions on AWS/Azure
  • Experience with system monitoring, introspection, and visualization technologies (Prometheus, Grafana, Loki, ELK stack)
  • Experience with GitLab CI
  • Experience with networking protocols (TCP, UDP, HTTPS, TLS); comfortable diagnosing and resolving networking issues

If you’re looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We’re not hiring followers. We’re recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We’re already at step 30 — and moving faster than anyone else dares.

Original Posting:

March 2, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That’s why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Regional Performance Manager Security Operations Center (SOC)
The Loss Prevention Group
Seattle, Washington
Hybrid
Senior - Leader
Private salary
RECENTLY POSTED
TECH-AGNOSTIC ROLE

Regional Performance Manager Security Operations Center Summary: The Regional Performance Manager will oversee operations across multiple Security Operations Centers (SOC) locations, ensuring seamless staffing, performance, and compliance. This position will interface with Senior Management, Recruiter(s), Scheduling Staff, and key clients to foster strong relationships. The Regional Performance Manager will also ensure that qualified candidates are continuously sourced and interviewed, creating a pipeline of qualified staff for assignment while managing customer relationships to drive satisfaction and retention. Regional Performance Manager Responsibilities: Ensure all security personnel in SOCs are trained on mobile applications for time and attendance recording, with consistent usage in the field. Maintain standards for overtime performance through effective regional scheduling and supporting recruitment strategies across multiple sites. Maintain adequate staffing levels at all SOC locations. Review assignment requests from clients to ensure recommended staff meet company and client standards prior to deployment. Maintain attendance standards by implementing corrective measures for lateness, excessive call-outs, and no call/no show occasions across the region. Issue written documentation to staff when warranted and maintain liaison with Human Resources. Monitor staff performance in partnership with office team members, SOC leads, and clients in collaboration with Human Resources. Document substandard performance and implement regional improvement plans. Proactively monitor and adjust stand-by programs to accommodate holidays, weather conditions, call-out trends, and site-specific needs. Support Recruiter(s) in interviewing new hires when necessary, scheduling them appropriate to client and SOC standards, and providing schedules immediately upon completion of training. Follow-up to ensure new hires are fully integrated into regional schedules in subsequent weeks. Implement measures to reduce turnover across SOC locations. Identify top talent officers for growth opportunities. Communicate change in rate records to Payroll and Human Resources. Provide immediate response to payroll discrepancies filed by officers. Work with Human Resources regarding potential counseling, disciplinary issues, and timely investigations. Coordinate with Recruiters regarding field visit schedules, field recruiting, client contacts, officer coaching, and retraining, and following-up on corrective measures and client requests across the region. Utilize Guard-Tour Application for documenting field visits to SOC sites. Respond with urgency to client concerns, building and maintaining strong customer relationships through regular communication, site visits, and proactive issue resolution. Document deficiencies noted during site visits and follow-up with appropriate communication, training, instructions, etc., providing clients with corrective action taken. Ensure compliance to post orders, uniform requirements, retraining, and licensing requirements at all SOC locations. Manage customer relationship activities, including regular check-ins, performance reporting, and collaboration on security enhancements to meet evolving client needs. Travel between SOC locations as needed to conduct audits, training sessions, and client meetings. Qualifications and Requirements: 3-5 years of recruitment, management, and operations experience in security or related fields, with regional oversight preferred. Requires regional travel, including to multiple SOC locations. Must be willing to participate in the Companys pre-employment screening process and continuously meet any applicable state, county and municipal requirements. Why M1 Global? If youre looking for more than just a job if you want to be part of a growing, supportive team where your hard work matters M1 Global is your next career move. We are dedicated to delivering unmatched service to our clients and creating a best-in-class work environment for our employees. Grow your career. Strengthen your skills. Make a difference.

Senior Network Engineer
Leidos
Lorton, VA, United States
In office
Senior
$131,300 - $237,350
RECENTLY POSTED
TECH-AGNOSTIC ROLE

Description

The Decision Advantage Business Area at Leidos is looking for an experienced Senior Network Engineer to support a fast-paced program with the Air Force Life Cycle Management Center. The ideal candidate will possess extensive experience in network engineering, a strong understanding of DoD IT requirements, and proven leadership skills. The primary responsibility of this position is leading the program’s enterprise network engineering services team on-site at our Network Operations Center, providing 24x7 monitoring of critical customer networks. You will oversee and support the deployment of managed services, workstations, and networks, ensuring compliance with DoD policies and security standards. In addition, they will collaborate with customers and stakeholders to understand requirements and translate them into technical solutions. The Senior Network Engineer will be an integral member of the Network team, collaborating on strategic initiatives and ensuring alignment with overall program goals.

This position the candidate to be local and able to work on-site at our location in Lorton, VA

Primary Responsibilities:

  • Technical Lead for team of up to 10 network engineers in the design, implementation, and support of network infrastructure for DoD environments.
  • Oversee Network Operations Center (NOC) ensuring high availability, security, and rapid incident response.
  • Develop detailed network designs and architectures that align with Department of Defense (DoD) standards.
  • Collaborate with procurement teams to identify and source network hardware and software that meet project specifications.
  • Oversee the installation and configuration of network equipment, including routers, switches, firewalls, and servers.
  • Conduct thorough testing of network systems to ensure functionality, performance, and security compliance.
  • Troubleshoot and resolve issues that arise during installation and testing phases.
  • Maintain accurate documentation of network configurations, installations, and changes.
  • Develop and update network diagrams and other relevant technical documents.
  • Work closely with engineers, project managers, and stakeholders to ensure successful project delivery.
  • Provide technical support and guidance to team members and end-users.
  • Stay updated on DoD policies and best practices related to network security and design.
  • Implement security measures to protect network infrastructure and data.
  • By personal example, set the tone and direction for moral and ethical leadership.
  • Build a culture grounded in the Leidos values, beliefs and expectations and highest standards of ethical and respectful behavior.

Basic Qualifications:

  • US Citizen with at least an active Top Secret clearance and the ability to obtain a SCI prior to your start date with Leidos.
  • Bachelor’s degree with 12+ years of experience or Master’s degree with 10+ years of experience. Additional experience may be considered in lieu of a degree.
  • Expert knowledge of networking protocols, routing, and switching technologies (e.g., TCP/IP, BGP, OSPF, VLANs).
  • Expert knowledge of enterprise network design principles and networking technologies, including firewalls, VPNs, and intrusion detection systems.
  • Expert knowledge of networking hybrid cloud architectures, especially to the Azure Cloud.
  • Strong knowledge of protocols, security standards, and design principles for OSI Layers 1-4.
  • Experience with installation and configuration of physical networking equipment and Local Area Networks (LANs).
  • Experience with the design and deployment of Wide Area Networks (WANs) using Virtual Private Networking (VPN) technologies.
  • Experience in interpreting and contextualizing network management and troubleshooting tools and technologies, such as ICMP, SNMPv3, and Syslog.
  • Excellent problem-solving and analytical skills.

Preferred Qualifications:

  • US Citizen with an active TS/SCI security clearance.
  • Advanced networking certifications (e.g., CCNP, CCIE, CompTIA Network+).
  • Experience with cloud networking and virtualization technologies.
  • Familiarity with network monitoring and management tools (e.g.,  ServiceNow)
  • Previous experience working with federal government or military customers.

If you’re looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We’re not hiring followers. We’re recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We’re already at step 30 — and moving faster than anyone else dares.

Original Posting:

March 4, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That’s why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

#Featuredjob

Network Administrator
Leidos
Lorton, VA, United States
In office
Senior - Leader
$131,300 - $237,350
RECENTLY POSTED
TECH-AGNOSTIC ROLE

Description

The Decision Advantage Business Area at Leidos is looking for an experienced Senior Network Engineer to support a fast-paced program with the Air Force Life Cycle Management Center. The ideal candidate will possess extensive experience in network engineering, a strong understanding of DoD IT requirements, and proven leadership skills. The primary responsibility of this position is leading the program’s enterprise network engineering services team on-site at our Network Operations Center, providing 24x7 monitoring of critical customer networks. You will oversee and support the deployment of managed services, workstations, and networks, ensuring compliance with DoD policies and security standards. In addition, they will collaborate with customers and stakeholders to understand requirements and translate them into technical solutions. The Senior Network Engineer will be an integral member of the Network team, collaborating on strategic initiatives and ensuring alignment with overall program goals.

This position the candidate to be local and able to work on-site at our location in Lorton, VA

Primary Responsibilities:

  • Technical Lead for team of up to 10 network engineers in the design, implementation, and support of network infrastructure for DoD environments.
  • Oversee Network Operations Center (NOC) ensuring high availability, security, and rapid incident response.
  • Develop detailed network designs and architectures that align with Department of Defense (DoD) standards.
  • Collaborate with procurement teams to identify and source network hardware and software that meet project specifications.
  • Oversee the installation and configuration of network equipment, including routers, switches, firewalls, and servers.
  • Conduct thorough testing of network systems to ensure functionality, performance, and security compliance.
  • Troubleshoot and resolve issues that arise during installation and testing phases.
  • Maintain accurate documentation of network configurations, installations, and changes.
  • Develop and update network diagrams and other relevant technical documents.
  • Work closely with engineers, project managers, and stakeholders to ensure successful project delivery.
  • Provide technical support and guidance to team members and end-users.
  • Stay updated on DoD policies and best practices related to network security and design.
  • Implement security measures to protect network infrastructure and data.
  • By personal example, set the tone and direction for moral and ethical leadership.
  • Build a culture grounded in the Leidos values, beliefs and expectations and highest standards of ethical and respectful behavior.

Basic Qualifications:

  • US Citizen with at least an active Top Secret clearance and the ability to obtain a SCI prior to your start date with Leidos.
  • Bachelor’s degree with 12+ years of experience or Master’s degree with 10+ years of experience. Additional experience may be considered in lieu of a degree.
  • Expert knowledge of networking protocols, routing, and switching technologies (e.g., TCP/IP, BGP, OSPF, VLANs).
  • Expert knowledge of enterprise network design principles and networking technologies, including firewalls, VPNs, and intrusion detection systems.
  • Expert knowledge of networking hybrid cloud architectures, especially to the Azure Cloud.
  • Strong knowledge of protocols, security standards, and design principles for OSI Layers 1-4.
  • Experience with installation and configuration of physical networking equipment and Local Area Networks (LANs).
  • Experience with the design and deployment of Wide Area Networks (WANs) using Virtual Private Networking (VPN) technologies.
  • Experience in interpreting and contextualizing network management and troubleshooting tools and technologies, such as ICMP, SNMPv3, and Syslog.
  • Excellent problem-solving and analytical skills.

Preferred Qualifications:

  • US Citizen with an active TS/SCI security clearance.
  • Advanced networking certifications (e.g., CCNP, CCIE, CompTIA Network+).
  • Experience with cloud networking and virtualization technologies.
  • Familiarity with network monitoring and management tools (e.g.,  ServiceNow)
  • Previous experience working with federal government or military customers.

If you’re looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We’re not hiring followers. We’re recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We’re already at step 30 — and moving faster than anyone else dares.

Original Posting:

March 4, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That’s why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

#Featuredjob

Expert CNO Developer
MANTECH
Multiple locations
In office
Senior - Leader
Private salary
RECENTLY POSTED

MANTECH seeks a highly experienced and innovative Expert CNO Developer to join our team in Hanover, MD. In this role, you will lead the development of mission-critical cyber capabilities and lead efforts in advanced Computer Network Operations (CNO) and drive technical excellence in CNO development. You’ll be part of a dynamic team working on next-generation solutions that safeguard national security systems.

Responsibilities include but are not limited to:

  • Designing and developing new hardware- or software-based Computer Network Operations (CNO) capabilities
  • Managing the design, development, documentation, testing, and debugging of software applications and systems
  • Design and develop end-to-end data flow and tasking for CNO tools developed
  • Applying expert knowledge of network and security concepts to support capability development
  • Communicating status updates and technical progress to leadership and stakeholders
  • Ensuring software quality and compliance with development standards

Minimum Qualifications:

  • BS degree in a relevant technical discipline and 12+ years of technical work experience, or MS Degree in a relevant technical discipline and 10+ years of technical work experience, or PhD in a relevant technical discipline and 8+ years of technical work experience, or High school diploma and 16+ years of technical work experience
  • Experience in Python and C/C++ programming languages
  • Experience with troubleshooting and debugging complex systems
  • Experience with low-level system internals across one or more platforms (e.g., Windows, Unix, Mobile, or network devices)
  • Experience with networking protocols (TCP/IP) and socket-level programming
  • Experience with developing CNO capabilities
  • Experience managing and leading the development of technical CNO solutions

Preferred Qualifications:

  • Experience in software analysis or reverse engineering
  • Experience with assembly language programming concepts
  • Experience with unit testing frameworks and practices
  • Experience using Atlassian tools (JIRA, Confluence, Crucible)

Clearance Requirements:

  • Must have a current/active TS/SCI w/Polygraph security clearance and be willing and able to obtain another polygraph prior to start, if required

Physical Requirements:

  • Must be able to remain in a stationary position at least 50% of the time.
CNO Developer
MANTECH
Multiple locations
In office
Mid - Senior
Private salary
RECENTLY POSTED

MANTECH seeks a skilled and mission focused CNO Developer to join our team in Hanover, MD.

In this role, you will contribute to the development of mission-critical offensive cyber capabilities and drive excellence in advanced Computer Network Operations (CNO). You’ll be part of a dynamic team working on next-generation solutions that safeguard our national security systems.

Responsibilities include but are not limited to:

  • Design and develop new hardware- or software-based Computer Network Operations (CNO) capabilities
  • Perform design, development, documentation, testing, and debugging of software applications and systems
  • Apply knowledge of network and security concepts to support capability development
  • Communicate status updates and technical progress to leadership and stakeholders
  • Ensure software quality and compliance with development standards

Minimum Qualifications:

  • BS degree and 4+ years of technical work experience, or MS Degree and 2+ years of technical work experience, or High school diploma and 8+ years of technical work experience.
  • Experience in Python or C/C++ programming languages
  • Experience with troubleshooting and debugging

Preferred Qualifications:

  • Experience with networking protocols (TCP/IP) and socket-level programming
  • Experience with developing CNO capabilities
  • Experience with low-level system internals across one or more platforms (e.g., Windows, Unix, Mobile, or network devices)
  • Experience in software analysis or reverse engineering
  • Experience using Atlassian tools (JIRA, Confluence, Crucible)
  • Understanding of assembly language programming concepts
  • Understanding of unit testing frameworks and practices

Clearance Requirements:

  • Must have a current/active TS/SCI w/Polygraph security clearance and be willing and able to obtain another polygraph prior to start, if required.

Physical Requirements:

  • Must be able to remain in a stationary position at least 50% of the time.
Senior Cyber Security Engineer
MANTECH
USA-VA-Chantilly
In office
Senior
Private salary
RECENTLY POSTED

MANTECH seeks a motivated, career and customer-oriented Senior Cyber Security Engineer to join our team in Chantilly, VA.

This role supports the Comply-to-Connect (C2C) mission by engineering and sustaining secure network infrastructures across classified and unclassified environments. You will work alongside cyber experts to develop solutions that enhance network compliance and security posture across DoD systems.

Responsibilities include but are not limited to:

  • Engineer, design, implement, integrate, and sustain Comply-to-Connect (C2C) deployment support to migrate, deploy, improve, and maintain C2C services
  • Manage and maintain appliances, applications, servers, and supporting infrastructure in both classified and unclassified environments
  • Coordinate with the network service provider to develop and maintain network architecture diagrams
  • Evaluate and recommend changes and/or technology upgrades to address performance, standardization, and industry best practices
  • Monitor and investigate C2C performance and faults and recommend improvements
  • Interact with other team members and customers at multiple levels to gather, supply, or coordinate information
  • Support Assessment and Authorization activities related to cybersecurity technologies, where applicable

Minimum Qualifications:

  • Bachelor’s degree or 4+ years of additional cyber experience in lieu of degree
  • 5+ years of cyber experience
  • Experience with technologies involved in large-scale enterprise network deployments and data centers
  • Experience deploying and/or supporting enterprise security software products such as firewalls, IPS, anti-virus solutions, application firewalls, high availability solutions, network management systems, and virtual systems
  • Knowledge of Windows and Linux systems, general operating system security practices, TCP/IP networking, 802.1x, and network security concepts
  • IAT Level II certification (GSEC, Security+, SSCP, or CCNA-Security) or ability to obtain within 6 months of hire

Preferred Qualifications:

  • Experience implementing and using complex software products involving multiple integrated components
  • Real-time, enterprise-level C2C expertise including vendor-agnostic services, open-source trends, and proficiency in DoD integration, engineering, and sustainment processes
  • Experience with Cisco Identity Services Engine (ISE)
  • Experience with tools such as Nmap, Nessus, and tcpdump

Clearance Requirements:

  • Must have a current/active TS/SCI with Polygraph

Physical Requirements:

  • The person in this position must be able to remain in a stationary position 50% of the time
  • Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers via email, phone, and/or virtual communication, which may involve delivering presentations
Senior Cyber Security Engineer
MANTECH
USA-VA-Chantilly
In office
Senior
Private salary
RECENTLY POSTED

MANTECH seeks a motivated, career and customer-oriented Senior Cyber Security Engineer to join our team in Chantilly, VA. In this role, you will support mission-critical cybersecurity operations by designing, deploying, and maintaining secure, resilient data collection and monitoring solutions that enable informed decision-making across the enterprise.

Responsibilities include but are not limited to:

  • Troubleshoot new and existing data collection issues to ensure accurate and reliable ingestion of security-relevant data.
  • Diagnose and resolve system issues that impact stability, performance, or usability.
  • Deploy, manage, and maintain supported and unsupported Splunk Add-ons required for specific data sources.
  • Develop and maintain documentation, including Body of Evidence (BOE) artifacts, engineering documentation, change management records, system security plans, and accreditation materials, as required.
  • Deliver a comprehensive Splunk deployment document detailing specifications, deployment methods, and architectural considerations for production environments.
  • Implement and maintain strict role-based access control to ensure data is accessible on a validated need-to-know basis.
  • Design and deploy Splunk forwarders using centralized configuration management through the Splunk Deployment Server to support rapid and consistent deployments.

Minimum Qualifications:

  • Bachelor’s degree, or 4+ additional years of cyber experience in lieu of a degree.
  • 5+ years of experience in a cybersecurity role.
  • Experience with Security Information and Event Management (SIEM) platforms and/or Splunk.
  • Knowledge of Linux systems administration, general operating system security practices, TCP/IP networking, and network security concepts.
  • Knowledge of Certification and Accreditation (C&A) processes.
  • Knowledge of DoD policy and technical security guidance for information systems.
  • DoD Directive 8570.1 IAT Level II or higher certification, or the ability to obtain within six (6) months.
  • Splunk certification is required.

Preferred Qualifications:

  • Experience with Linux distributions, including Red Hat and CentOS.
  • Experience with AWS or other cloud environments.
  • Knowledge of ICS 500-27 audit collection requirements.
  • Familiarity with Enterprise Security Services, Host Based Security Services, Enterprise Vulnerability Scanning Services, and User Activity Monitoring (UAM).
  • Ability to modify feed creation to ingest customer logs in standardized formats to meet policy and compliance requirements.

Clearance Requirements:

  • An active TS/SCI with Polygraph is required.

Physical Requirements:

  • Must be able to remain in a stationary position 50% of the time.
  • Occasionally moves about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers via email, phone, or virtual communication, which may involve delivering presentations.
Systems Engineer
MANTECH
Linthicum Heights, Maryland
In office
Mid - Senior
Private salary
RECENTLY POSTED
TECH-AGNOSTIC ROLE

MANTECH seeks a motivated, career and customer-oriented Systems Engineer to join our team in Linthicum, MD.

This role supports Agency modernization efforts that necessitate transitioning from and outdated NIST control catalog, consolidating capabilities from disparate systems and applications to a more centralized and supported suite of Capabilities (ServiceNow), and updating existing policies, processes, and procedures.

Responsibilities include but are not limited to:

  • Review and analyze Authorization Services processes, procedures, practices and technical solutions.
  • Coordinate with government representatives to identify requirements, constraints, schedules and workloads.
  • Provide recommendations to modernize authorization services policies, procedures, practices, and solutions.
  • Produce and maintain documentation in support of life-cycle hardware maintenance and related processes
  • Draft technical solutions to enhance, modernize, and improve all IT infrastructure services with Government approvals
  • Evaluate applications for requirements, capabilities, languages, and other characteristics to prepare for migration of systems
  • Provide collaboration and information sharing tools, repositories to enable outreach, training, and awareness of client activities to ensure that products are made available to all stakeholders
  • Conduct analysis and develop processes and share deliverables to enhance mission stakeholder knowledge

Minimum Qualifications:

  • Bachelor’s degree with (12) years of relevant experience, Associate’s degree with (15) years of relevant experience OR High School/GED with (20) years of relevant experience as a SE in programs and contracts of similar scope, type and complexity is required
  • Experience with implementation of ServiceNow
  • Demonstrated experience in planning and leading Systems Engineering efforts is required.
  • Experience with Governance, Risk and Compliance OR Integrated Risk Management
  • Experience with developing and maintaining Reports/Dashboards supporting a customer

Preferred Qualifications:

  • Certified System Administrator Certification from ServiceNow
  • Certified Implementation Specialist in Integrated Risk Management OR Governance, Risk and Compliance

Clearance Requirements:

  • US Citizenship required and an active TS/SCI with Polygraph

Physical Requirements:

  • Must be able to remain in a stationary position 50%
  • Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
  • Frequently communicates with co-workers, management, and customers, which may involve delivering presentations
  • Must be able to exchange accurate information in these situations
Information System Security Officer
MANTECH
Columbia, Maryland
In office
Senior
Private salary
RECENTLY POSTED
TECH-AGNOSTIC ROLE

Mantech seeks a motivated, career driven, and customer-focused Information System Security Officer (ISSO) to join our team in Columbia, Maryland.

You will play a critical role in supporting enterprise infrastructure capabilities for a global, mission-focused workforce. As an ISSO, you will work alongside customers, Integrated Product Teams (IPTs), and vendors to support the implementation and compliance of advanced EIT capabilities through Data Center & Compute Services. You will manage cybersecurity documentation, assess system vulnerabilities, and support the Risk Management Framework (RMF) lifecycle in alignment with Sponsor policies.

Responsibilities include, but are not limited to:

  • Update and maintain hardware and software inventory records, including associated change logs
  • Support and coordinate Secure the Enterprise (STE) and Secure the Network (STN) activities
  • Review and address Xacta notices and ensure compliance documentation is accurate and current
  • Complete SEAR audit log records in accordance with Sponsor standards
  • Track, review, and resolve POAMs (Plan of Action and Milestones) related to IAVA/IAVAx findings
  • Develop and maintain System Security Plans (SSPs) for both new and existing systems
  • Analyze vulnerability scan results and collaborate with system owners to implement remediation
  • Leverage sponsor tools such as Gatekeeper, Xacta, SEAR, and LatteArt in daily operations

Minimum Qualifications:

  • Bachelor’s degree with 12+ years of relevant experience OR associate’s degree with 15 years of relevant experience OR high school diploma/GED with 20 years of relevant experience
  • Experience with Xacta, LatteArt and other sponsor tools
  • Experience managing POAMs, performing audit log reviews, and maintaining secure system inventories
  • IAM I certification (DoD 8140 required upon start of employment.  Acceptable certifications include CAP/CND/Cloud+/GSLC/Security + CE/HCISSP/CASP+CE/CISM/CISSP/ or CCISO)

Preferred Qualifications:

  • Knowledge of STE and STN processes and coordination
  • Experience with Gatekeeper, SEAR, SCANBOY
  • Experience with the Service Now (SNOW) platform

Clearance Requirements:

  • Must possess and maintain a current/active TS/SCI clearance with Polygraph

Physical Requirements:

  • Must be able to remain in a stationary position 50% of the time
  • Occasionally moves about inside the office to access file cabinets, office machinery, etc.
  • Frequently communicates with co-workers, management, and customers, including delivering presentations. Must be able to exchange accurate information in these situations
Global Security Operations Center Analyst
Securitas
Santa Clara, CA, United States
In office
Mid - Senior
Private salary
RECENTLY POSTED
TECH-AGNOSTIC ROLE

GSOC Security Analyst

The Global Security Operations Center (GSOC) Analyst, under guidance of GSOC Account Manager, is responsible for assisting company personnel in all concerns that pertain to safety and security for corporate locations around the globe.

The individual will work in a GSOC environment, monitoring several screens. Using a variety of tools that range from access control and alarm monitoring systems to various business intelligence sources, open-source media, Internet, and in-house tools. These may range from extreme weather conditions, political instability, crime, terror, to technical failures. Lastly, given the various roles the GSOC Lead will support leadership experience to Supervise staff on assigned shifts, providing coaching, recognition, and discipline within approved empowerment range is a must.

Essential Job Functions:

  • Investigate alarms and respond by sending security patrol, or alerting Fire services or Police as needed
  • Assisting company employees in all concerns that pertain to safety and security
  • Monitoring travel safety and security of company’s employees
  • Conducting ongoing review of multiple systems and sources to detect potential risks
  • Notifying and coordinating corporate response by distribution of advisories and other communications
  • Following procedures for managing a variety of incidents, from minor incidents handled at the local level to global crises
  • Provides back-up, support, and on-call function as needed
  • May lead day to day operations on respective shift supporting
  • Oversee the implementation and application of policies and procedures
  • Provide Quality Assurance of written reports, alarm reports and communications out of the GSOC
  • Engaging on Client set best practices to identify, analyze, and support all incidents that are either impactful or potentially impactful to the people, assets, or customer brand
  • Flawless execution of Customer Communications and Escalation process to applicable stakeholders concerning any/all business impact related events
  • Compile, produce and review Incident Reports
  • Support, supervise, and assist GSOC operators as they prepare, respond, and mediate crisis related incidents
  • Monitor cameras, alarms, dispatch associated calls via telephone and radio, operate access control technology
  • Supports leadership during critical incidents
  • Ensures operational readiness for incident response

Additional Job Functions:

  • Perform other related duties and special projects as required.
  • Gather and prepare reports on individual and team performance metrics.

Minimum Qualifications and Requirements

  • High school diploma or equivalent required
  • At least 18 years of age
  • Licensing requirements are subject to state and/or local laws and regulations and may be required prior to employment.
  • As a condition of employment, employee must successfully complete a background investigation and a post-offer/pre-employment drug/alcohol test
  • 1-3 years of Leadership experience.
  • 3-5 years of Corporate Security or GSOC environment experience.
  • Strong analytical, critical thinking and problem-solving skills.
  • Strong background in interpersonal and networking skills with a strong ability to work in a team environment.
  • Able to work under stressful conditions and adhere to tight deadlines
  • Able to manage multiple streams of work in a fast-paced environment.
  • Above average in typing WPM 30+, computer applications, general understanding of security systems and general technical aptitude through demonstrated experience.
  • Excellent verbal and communication skills.
  • Problems solving for logical solutions and remain calm and professional under stress.
  • Strong decision-making ability during both crisis and non-crisis situations.
  • Able to work with highly confidential information.
  • Must be able to speak clearly, give direction, and provide guidance to employees and security staff during emergencies.
  • Able to work and communicate effectively with all levels of leadership
  • Able to analyze threats for real time impact to the client operations with the ability to develop and direct mitigation strategies

Are you interested in being part of our Team?

• Apply quickly and efficiently online

• Weekly pay or Daily Pay Options Availalbe

• Competitive benefits

With over 80 years of protecting the things that matter, we’ve seen more than most. That’s why Securitas is the partner of choice for companies and an employer of choice for candidates worldwide.

See a different world.

“Securitas is committed to diversity, equity, inclusion and belonging in the workplace.  All qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other applicable legally protected characteristic.”

#AF-PSIL

Securitas employees come from all walks of life, bringing with them a variety of distinctive skills and perspectives. United through our common purpose, we provide the security needed to safeguard our clients’ assets and people. Our core values - Integrity, Vigilance and Helpfulness - are represented by the three red dots in the Securitas logo. If you live by these values, we’re looking for you to join the Securitas team.

Benefits include:

  • Retirement plan
  • Employer-provided medical and dental coverage
  • Company-paid life insurance
  • Voluntary life and disability insurance
  • Employee assistance plan
  • Securitas Saves discount program
  • Paid holidays
  • Paid time away from work

Additionally, some populations may have the availability of accessing earned wages on a daily basis, prior to payday. Restrictions and fees may apply.

Certain waiting periods may also apply. Paid time away from work may be available either through a combination of vacation and sick time or under a PTO policy, depending on local requirements. Benefits may be different for union members.

Associate CNO Software Engineer
MANTECH
Multiple locations
In office
Graduate - Junior
Private salary
RECENTLY POSTED

MANTECH seeks a skilled and mission-focused Associate CNO Software Engineer to join our team in Hanover, MD.

In this role, you will contribute to the development of advanced CNO capabilities that directly support national security. You’ll work in a collaborative environment focused on solving complex technical challenges in support of our customer’s most critical missions.

Responsibilities include but are not limited to:

  • Design and develop new hardware- or software-based CNO capabilities
  • Assists with the design, development, documentation, testing, and debugging of applications software and systems
  • Develop simple data queries for existing or proposed databases or data repositories
  • Apply knowledge of security concepts and network technologies
  • Ensure software engineering standards are consistently met

Minimum Qualifications:

  • BS Degree in a technical discipline or High School Diploma and 4+ years of experience in software development or software engineering
  • Experience in Python or C/C++ programming
  • Experience with troubleshooting and debugging systems

Preferred Qualifications:

  • Experience with analyzing user requirements to derive software design and performance requirements
  • Experience in software analysis or reverse engineering
  • Understanding of assembly programming concepts
  • Understanding of CNO development concepts
  • Familiarity with unit testing frameworks and practices

Clearance Requirements:

  • Must have a current/active TS/SCI w/Polygraph security clearance and be willing and able to obtain another polygraph prior to start, if required

Physical Requirements:

  • Must be able to remain in a stationary position 50% of the time
CNO Python Software Engineer
MANTECH
USA-MD-Hanover
In office
Senior
Private salary
RECENTLY POSTED

MANTECH seeks a motivated, career- and customer-oriented CNO Python Software Engineer to join our team in Hanover, MD. This position supports critical mission requirements by delivering advanced software solutions within a cyber network operations (CNO) environment. You will provide specialized testing and evaluation capabilities tailored to system functions, contributing to impactful national security initiatives.

Responsibilities include, but are not limited to:

  • Design and develop new bleeding edge software, leveraging your knowledge in programming and coding with Python to solve challenging problems and create the best solutions
  • Work with the entire Software Development Lifecycle, including planning, requirements analysis, designing, developing, testing and deployment of new or improved CNO Capabilities
  • Debugging and troubleshooting software
  • Modify existing software to correct errors, to adapt to new requirements, or to improve performance
  • Perform quality control on team products
  • Demonstrate knowledge of multiple software development methodologies (e.g., Scrum, TDD, Waterfall).

Minimum Qualifications:

  • High School Diploma and 11+ years of programming experience, or BS Degree in a technical discipline and 7+ years of programming experience
  • Experience with Python
  • Experience with Python Task Automation
  • Experience with Object Oriented Analysis and Design
  • Experience programming using Software Version Control
  • Experience programming using JSON and YAML

Preferred Qualifications:

  • Experience with software analysis and/or reverse engineering
  • Experience with networking (TCP/IP) and socket level programming
  • Experience programming using agile software development methodology
  • Experience with SQL and NoSQL databases
  • Experience with Subversion/GIT
  • Experience with Atlassian Tools (Confluence, Jira, Crucible)
  • Experience with software troubleshooting and debugging
  • Experience Unit/System/Integration testing
  • Knowledge of CNO environment

Security Clearance Requirements:

  • Active and current TS/SCI with Polygraph

Physical Requirements:

  • Must be able to remain in a stationary position 50% of the time
CNO Software Engineer
MANTECH
USA-MD-Hanover
In office
Mid - Senior
Private salary
RECENTLY POSTED

MANTECH seeks a skilled and mission-focused CNO Software Engineer to join our team in Hanover, MD.

In this role, you will contribute to the development of advanced CNO capabilities that directly support national security. You’ll work in a collaborative environment focused on solving complex technical challenges in support of our customer’s most critical missions.

Responsibilities include but are not limited to:

  • Design and develop new hardware- or software-based CNO capabilities
  • Assists with the design, development, documentation, testing, and debugging of applications software and systems
  • Develop data queries for existing or proposed databases or data repositories
  • Apply knowledge of security concepts and network technologies
  • Ensure software engineering standards are consistently met

Minimum Qualifications:

  • BS Degree in a technical discipline and 7+ years of experience in software development or software engineering, or High School Diploma and 11+ experience in software development or software engineering
  • Experience in Python or C/C++ programming
  • Experience with troubleshooting and debugging systems

Preferred Qualifications:

  • Experience with analyzing user requirements to derive software design and performance requirements
  • Experience in software analysis or reverse engineering
  • Understanding of assembly programming concepts
  • Understanding of CNO development concepts
  • Familiarity with unit testing frameworks and practices

Clearance Requirements:

  • Must have a current/active TS/SCI w/Polygraph security clearance and be willing and able to obtain another polygraph prior to start, if required

Physical Requirements:

  • Must be able to remain in a stationary position 50% of the time
Senior CNO Software Engineer
MANTECH
Multiple locations
In office
Senior
Private salary
RECENTLY POSTED

MANTECH seeks a highly technical and mission-focused Senior CNO Software Engineer to join our team in Hanover, MD.

In this role, you will develop advanced CNO capabilities that directly support national security. You’ll work in a collaborative environment focused on solving complex technical challenges in support of our customer’s most critical missions.

Responsibilities include but are not limited to:

  • Design and develop new hardware- or software-based CNO capabilities
  • Manage the design, development, documentation, testing, and debugging of applications software and systems
  • Apply expert knowledge of security concepts and network technologies
  • Develop data queries for existing or proposed databases or data repositories
  • Develop or implement algorithms to meet or exceed system performance and functional standards

Minimum Qualifications:

  • BS Degree in a technical discipline and 14+ years of technical work experience or High School Diploma and 18+ years of technical work experience
  • Experience in Python or C/C++ programming
  • Experience with troubleshooting and debugging complex systems
  • Experience with low-level system internals across one or more platforms (e.g., Windows, Unix, Mobile, or network devices)
  • Experience with networking protocols (TCP/IP) and socket-level programming
  • Experience with developing CNO capabilities
  • Experience with leading the development of technical CNO solutions

Preferred Qualifications:

  • Experience with programming in assembly languages
  • Experience in software analysis or reverse engineering
  • Experience with unit testing frameworks and practices
  • Experience using Atlassian tools (JIRA, Confluence, Crucible)

Clearance Requirements:

  • Must have a current/active TS/SCI w/Polygraph security clearance and be willing and able to obtain another polygraph prior to start, if required

Physical Requirements:

  • Must be able to remain in a stationary position 50% of the time
Senior CNO Developer
MANTECH
USA-MD-Hanover
In office
Senior
Private salary
RECENTLY POSTED

MANTECH seeks an experience and mission focused Senior CNO Developer to join our team in Hanover, MD.

In this role, you will contribute to the development of mission-critical cyber capabilities and lead efforts in advanced Computer Network Operations (CNO) and drive technical excellence in CNO development. You’ll be part of a dynamic team working on next-generation solutions that safeguard national security systems.

Responsibilities include but are not limited to:

  • Designing and developing new hardware- or software-based Computer Network Operations (CNO) capabilities
  • Managing the design, development, documentation, testing, and debugging of software applications and systems
  • Design and develop end-to-end data flow and tasking for CNO tools developed
  • Applying expert knowledge of network and security concepts to support capability development
  • Communicating status updates and technical progress to leadership and stakeholders
  • Ensuring software quality and compliance with development standards

Minimum Qualifications:

  • BS degree in a technical discipline and 8+ years of technical work experience, or MS Degree in a technical discipline and 6+ years of technical work experience, or High school diploma and 12+ years of technical work experience
  • Experience in Python and C/C++ programming languages
  • Experience with troubleshooting and debugging
  • Experience with low-level system internals across one or more platforms (e.g., Windows, Unix, Mobile, or network devices)
  • Experience with networking protocols (TCP/IP) and socket-level programming
  • Experience with developing CNO capabilities
  • Experience leading technical CNO solutions

Preferred Qualifications:

  • Experience in software analysis or reverse engineering
  • Experience with assembly language programming
  • Experience with unit testing frameworks and practices
  • Experience using Atlassian tools (JIRA, Confluence, Crucible)

Clearance Requirements:

  • Must have a current/active TS/SCI w/Polygraph security clearance and be willing and able to obtain another polygraph prior to start, if required

Physical Requirements:

  • Must be able to remain in a stationary position at least 50% of the time.
Associate CNO Developer
MANTECH
Multiple locations
In office
Junior - Mid
Private salary
RECENTLY POSTED

MANTECH seeks a skilled and mission-focused Associate CNO Developer to join our team in Hanover, MD.

In this role, you will contribute to the development of mission-critical offensive cyber capabilities and drive excellence in advanced Computer Network Operations (CNO). You’ll be part of a dynamic team working on next-generation solutions that safeguard our national security systems.

Responsibilities include but are not limited to:

  • Design and develop new hardware- or software-based CNO capabilities
  • Assists with the design, development, documentation, testing, and debugging of applications software and systems
  • Apply knowledge of security concepts and network technologies
  • Ensure software engineering standards are consistently met

Minimum Qualifications:

  • BS Degree in a technical discipline or High School Diploma and 4+ years of technical experience
  • Experience in Python or C/C++ programming
  • Experience with troubleshooting and debugging

Preferred Qualifications:

  • Experience with networking (TCP/IP) and socket-level programming
  • Experience with low-level system internals across one or more platforms
  • Experience in software analysis or reverse engineering
  • Experience with developing CNO capabilities
  • Understanding of unit testing frameworks and practices
  • Understanding of assembly programming concepts
  • Familiarity with Atlassian tools such as JIRA, Confluence, and Crucible

Security Clearance Requirements:

  • Must have a current/active TS/SCI w/Polygraph security clearance and be willing and able to obtain another polygraph prior to start, if required.

Physical Requirements:

  • Ability to remain stationary for extended periods (50% of the time) and operate computer equipment and office machinery.
Expert CNO Software Engineer
MANTECH
Multiple locations
In office
Senior - Leader
Private salary
RECENTLY POSTED

MANTECH seeks a highly technical and mission-focused Expert CNO Software Engineer to join our team in Hanover, MD.

In this role, you will develop advanced CNO capabilities that directly support national security. You’ll work in a collaborative environment focused on solving complex technical challenges in support of our customer’s most critical missions.

Responsibilities include but are not limited to:

  • Design and develop new hardware- or software-based CNO capabilities
  • Manage the design, development, documentation, testing, and debugging of applications software and systems
  • Apply expert knowledge of security concepts and network technologies
  • Develop data queries for existing or proposed databases or data repositories
  • Develop or implement algorithms to meet or exceed system performance and functional standards

Minimum Qualifications:

  • BS Degree in a technical discipline and 20+ years of technical work experience or High School Diploma and 24+ years of technical work experience
  • Experience in Python or C/C++ programming
  • Experience with troubleshooting and debugging complex systems
  • Experience with low-level system internals across one or more platforms (e.g., Windows, Unix, Mobile, or network devices)
  • Experience with networking protocols (TCP/IP) and socket-level programming
  • Experience with developing CNO capabilities
  • Experience with managing and leading the development of technical CNO solutions and development teams

Preferred Qualifications:

  • Experience with programming in assembly languages
  • Experience in software analysis or reverse engineering
  • Experience with unit testing frameworks and practices
  • Experience using Atlassian tools (JIRA, Confluence, Crucible)

Clearance Requirements:

  • Must have a current/active TS/SCI w/Polygraph security clearance and be willing and able to obtain another polygraph prior to start, if required

Physical Requirements:

  • Must be able to remain in a stationary position 50% of the time
Rapid Response Security Officer – $22/hr | Weekly Pay | Growth Opportunities
Securitas
Multiple locations
In office
Graduate - Junior
Private salary
RECENTLY POSTED
TECH-AGNOSTIC ROLE

Looking for a security role that keeps you moving, engaged, and building real experience?

Securitas is hiring a Rapid Response Security Officer to join a team supporting multiple client sites across Southern Maine (Portland, Biddeford, Westbrook, Scarborough). This is a high-impact role for someone who thrives in dynamic environments and wants to grow quickly within the security field.

Unlike traditional static posts, this position puts you where you’re needed most—responding to coverage needs, supporting different teams, locations, and events while gaining exposure to a variety of client environments. This is a high-impact and high-visibility role for people who want to accelerate their growth in the security field.

What is a Rapid Response Officer?

A Rapid Response Officer is part of an elite, highly adaptable team that reports directly to the District Manager. They learn multiple locations instead of one home site, allowing for rapid growth in the security field as they become a well-rounded, agile officer.

What We’re Looking For:

  • Individuals who are dependable, professional, adaptable, and ready to learn
  • Someone looking to grow with the company
  • Strong customer service and communication skills
  • Comfortable working in fast-paced or changing environments
  • Flexible availability (1st & 2nd shift)
  • Valid driver’s license and reliable transportation
  • High School diploma
  • 18 years old or over

Benefits you receive for working with us:

  • Weekly pay
  • Paid CPR, First Aid, and specialized training (including metal detection)
  • Exposure to multiple sites and environments (accelerated experience)
  • Clear path to advancement within Securitas

This role is ideal for individuals who:

  • Don’t want to be stuck at a single post
  • Want to build experience quickly and stand out
  • Take pride in being the person teams rely on when it matters most

Securitas USA is a proud employer of active and retired service members.

EOE M/F/Vet/Disabilities

#NorthernNE #NNE

“Securitas is committed to diversity, equity, inclusion and belonging in the workplace.  All qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other applicable legally protected characteristic.”

Securitas employees come from all walks of life, bringing with them a variety of distinctive skills and perspectives. United through our common purpose, we provide the security needed to safeguard our clients’ assets and people. Our core values - Integrity, Vigilance and Helpfulness - are represented by the three red dots in the Securitas logo. If you live by these values, we’re looking for you to join the Securitas team.

Benefits include:

  • Retirement plan
  • Employer-provided medical and dental coverage
  • Company-paid life insurance
  • Voluntary life and disability insurance
  • Employee assistance plan
  • Securitas Saves discount program
  • Paid holidays
  • Paid time away from work

Additionally, some populations may have the availability of accessing earned wages on a daily basis, prior to payday. Restrictions and fees may apply.

Certain waiting periods may also apply. Paid time away from work may be available either through a combination of vacation and sick time or under a PTO policy, depending on local requirements. Benefits may be different for union members.

Network Engineer
Pennymac
Carrollton, Texas
In office
Mid - Senior
$75,000/hour - $130,000/hour
RECENTLY POSTED

PENNYMAC Pennymac (NYSE: PFSI) is a specialty financial services firm with a comprehensive mortgage platform and integrated business focused on the production and servicing of U.S. mortgage loans and the management of investments related to the U.S. mortgage market. At Pennymac, our people are the foundation of our success and at the heart of our dynamic work culture. Together, we work towards a unified goal of helping millions of Americans achieve aspirations of homeownership through the complete mortgage journey. A Typical Day The Network Engineer oversees the development and day-to-day operations of the company’s data and voice networks along with all Audio and Video solutions. The Network Engineer will : Support and lead the implementation and day-to-day operations of company's rapidly growing network and voice infrastructure (including but not limited to LAN, WAN, VPN’s, Qos and WAN Optimization, Firewalls, VoIP) Oversee and execute planned network maintenance work, minimizing operational impact and ensuring continued smooth operation of the data and voice network infrastructure. Build out new office space including racking equipment, installing access points, running cables, terminating ethernet, coax and fiber, mounting TVs, installing ceiling speakers along with other items Collaborate with other team members and groups to identify and develop scalable network designs, solutions and policy Troubleshoot connectivity within the office, VPN and open internet utilizing tools such as traceroute and wireshark Diagnose and resolve physical network connectivity issues, including signal loss, damaged cable or equipment malfunctions Install and maintain our conference room solutions and other AV projects as needed Monitor traffic through our firewalls and make changes as needed Experience with network monitoring, SNMP, New Relic or other solutions Perform other related duties as required and assigned Demonstrate behaviors which are aligned with the organization’s desired culture and values What Youll Bring Bachelor’s degree or equivalent work experience 3+ years of relevant work experience Proven troubleshooter and problem solver, demonstrates sound judgment and decision making, demonstrated ability to execute effectively and deliver results, works well in fast paced, high energy environment Working knowledge with switching, routing, and wireless protocols required. Experience with Security and authentication systems: VPNs, RADIUS, LDAP, Kerberos is preferred. Telephony experience in a production call center & enterprise environments is preferred Experience with cabling both copper and fiber, running and terminating Experience with access control systems and installation a plus Ability to install TVs, ceiling speakers, security cameras and other items as needed Juniper platform experience preferred. Network certifications JNCIA/JNCIS/JNCNP or Cisco CCNA/CCNP (or equivalent training/experience) are preferred but not required Financial Services and, if possible, mortgage industry experience preferred Why You Should Join As one of the top mortgage lenders in the country, Pennymac has helped over 4 million lifetime homeowners achieve and sustain their aspirations of home. Our vision is to be the most trusted partner for home. Together, 4,000 Pennymac team members across the country are guided by our core values: to be Accountable, Reliable and Ethical in all that we do. Pennymac is committed to conducting a business that makes positive contributions and promotes long-term sustainable growth and to fostering an equitable and inclusive environment, where all employees and customers feel valued, respected and supported. Benefits That Bring It Home: Whether you're looking for flexible benefits for today, setting up short-term goals for tomorrow, or planning for long-term success and retirement, Pennymac's benefits have you covered. Some key benefits include: Comprehensive Medical, Dental, and Vision Paid Time Off Programs including vacation, holidays, illness, and parental leave Wellness Programs, Employee Recognition Programs, and onsite gyms and cafe style dining (select locations) Retirement benefits, life insurance, 401k match, and tuition reimbursement Philanthropy Programs including matching gifts, volunteer grants, charitable grants and corporate sponsorships To learn more about our benefits visit: For residents with state required benefit information, additional information can be found at: additional-benefits- information Compensation: Individual salary may vary based on multiple factors including specific role, geographic location / market data, and skills and experience as defined below: Lower in range - Building skills and experience in the role Mid-range - Experience and skills align with proficiency in the role Higher in range - Experience and skills add value above typical requirements of the role Some roles may be eligible for performance-based compensation and/or stock-based incentives awarded to employees based on company and individual performance. Salary $75,000 - $130,000 Work Model OFFICE

Frequently asked questions
Typically, a Security Engineer role requires a bachelor's degree in Computer Science, Information Technology, or a related field, along with relevant certifications like CISSP, CEH, or CompTIA Security+. Experience with network security, threat analysis, and vulnerability assessment is also highly valuable.
Key skills include knowledge of firewalls, VPNs, IDS/IPS systems, encryption technologies, and security protocols. Proficiency in scripting or programming languages, incident response, and risk management are also crucial.
Use Haystack’s advanced search filters to narrow down jobs by location, experience level, salary range, and specific security technologies. Set up job alerts to get notified about new Security Engineer openings that match your preferences.
Salary varies based on experience, location, and company size. Entry-level Security Engineers can expect between $70,000 and $90,000 annually, while experienced professionals often earn between $100,000 and $150,000 or more.
Yes, many companies offer remote or hybrid work options for Security Engineer roles. On Haystack, you can filter job listings by remote opportunities to find positions that match your desired work arrangement.