MANTECH seeks a highly motivated and collaborative Software Engineer to join our team in Columbia, MD. In this role, you will develop, maintain, and enhance complex and diverse software systems based upon documented requirements. Work individually or as part of a team. Review and test software components for adherence to the design requirements and document test results. Resolve software problem reports. Utilizes software development and software design methodologies appropriate to the development environment. Provide specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Commercial Off-the-shelf (COTS)/Government Off-the-shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components.

Responsibilities include, but are not limited to:

• Design, code, and modify software to add features, implement high-performance algorithms, and integrate applications into diverse operating environments.
• Design and implement complex data interfaces and execute queries for existing or proposed repositories to ensure data accessibility and system functionality.
• Analyze work processes and system performance to develop technical solutions and provide recommendations for improving development standards.
• Write and review technical documentation while assisting in the development and execution of comprehensive software test procedures.
• Regularly collaborate with team members, management, and customers through clear and effective communication, including delivering professional presentations and ensuring the accurate exchange of critical information

Minimum Qualifications:

• 20 years of experience as a SWE in programs and contracts of similar scope, type, and complexity is required.
• Bachelor’s degree in computer science or related discipline from an accredited college or university is required. 4 years of additional SWE experience on projects with similar software processes may be substituted for a bachelor’s degree.
• 1 Required certification: CompTIA Security+ CE, CCNA-Security, CySA+, GICSP, GSEC, CND, or SSCP
• Hands-on experience operating or platform engineering production-grade Kubernetes clusters
• Understanding of containerization concepts and operations, i.e. pod security standards
• Working knowledge of PKI certificates and PKI management
• Experience with  GitOps development and CI/CD pipelines
• Basic Linux administration
• Experience with  Python and Bash scripting
• Experience with Jira/Confluence for project, tasks and documentation management

Preferred Qualifications:

• Understanding of VMware vSphere vCenter, vSphere API and related services
• Understanding of Amazon AWS EC2, EC2 API and related services
• Understanding of advanced Kubernetes performance tuning and troubleshooting for services
• DevOps skills in Go, Ansible and Terraform (IaC)

Clearance Requirements:

• Must have a current/active TS/SCI 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.

Description

Leidos has an exciting opening for you, our next TS/SCI Cyber Security Engineer working across several Task Orders under the DOMEX Technology Platform (DTP) contract supporting NMEC. Have impact as part of a mission focused, solutions oriented, and adaptive team that values innovation, collaboration, and professional development.

As a Cyber Security Engineer, your job will be to design, develop, and implement secure systems in on-premises infrastructure. You will leverage on your experience with security technologies and industry best practices to ensure that security is integrated into system design, development, testing, and deployment and that all security requirements are compliant with the DoD Risk Management Framework. This exciting and challenging work will help you expand your capabilities in security and will provide you with the skills and experience you need to achieve additional levels of the DoD 8570 IAT and IASAE Certifications.  While most work is conducted on-site at our client location in Bethesda, MD, we offer a flexible schedule and, occasionally, some tasks may be performed remotely. Percentage of remote work will vary based on client requirements/deliverables.

In this role, you will collaborate closely with ISSOs, ISSSMs, software engineers, software developers, system engineers and Government counterparts to perform the full spectrum of systems and cyber security engineering tasks to ensure our systems meet a variety of regulatory compliance frameworks.

Key Tasks include the following:

• Support the secure architecture, design, and implementation of DoD systems in accordance with DoDI 8510.01, NIST SP 800-53, and other DoD security guidance.
• Lead the integration of RMF activities into the system development lifecycle (SDLC), including selecting, implementing, and validating security controls.
• Develop and maintain key security documentation such as System Security Plans (SSPs), Security Assessment Reports (SARs), Risk Assessments, and Plan of Action and Milestones (POA&Ms).
• Collaborate with ISSOs, ISSMs, developers, and system owners to ensure systems are developed and maintained with approved security configurations.
• Apply Security Technical Implementation Guides (STIGs) to systems and validate compliance using tools such as SCAP, STIG Viewer, and ACAS.
• Maintain application, network, and database scanning infrastructure (application/product updates, database maintenance, benchmark/audit files, application/server builds, rule pack/content updates, scanner, or agent deployment etc.)
• Analyze vulnerability scans and ensure timely mitigation or acceptance of risks based on DoD policies.
• Provide technical input to support and maintain system authorization.
• Participate in system reviews, architecture assessments, and engineering design reviews to embed cybersecurity from the outset.
• Develop and implement automation or security tools to improve the compliance and monitoring of systems.
• Support security incident response and forensics analysis in coordination with ISSMs and Security points of contact.

Requirements:

• BS degree and 8+ years of experience in cybersecurity. Additional relevant years of experience in lieu of degree is accepted.
• An active TS/SCI clearance with ability to obtain a Poly
• Have at least one of the following DoD 8570.01-M IASAE Level II certifications: CISSP, CISSP-ISSAP, CISSP-ISSEP, CSSLP, or CASP+ CE. NOTE: the CISSP Associate is not acceptable
• Developer experience is preferred in a least one scripting / programming language.
• Experience with reviewing cybersecurity vulnerabilities for risk and relevance as well as in vulnerability mitigations/remediation planning, for identified systems, network, application and database vulnerabilities
• Ability to architect, design, troubleshoot, maintain, and deploy vulnerability scanning solutions such as (OWASP, Fortify, Sonarqube, Tenable, etc.)
• Experience with XACTA, EMass, or similar tool
• Strong in-depth understanding of including Microsoft Windows and Linux/UNIX operating systems
• Experience with middleware / web technologies (Apache, tomcat, IIS, etc.)
• Experience with Databases (Postgres, MS SQL, MySQL, ElasticSearch, etc.)
• Understanding of TCP/IP networking.
• Experience with Continuous Integration and Continuous Delivery Platforms (Jenkins, Bamboo, GitlabCI TFS, etc.)
• Familiar with NIST 800-171, 800-172, NIST SSDF, and CMMC requirements.
• Experience with NIST Special Publications e.g. NIST SP 800-27, 30, 37, 53, 60, 171, NIST SSDF, CMMC requirements, and CNSS publication CNSSI 1253
• Experience supporting DoD/IC systems through the entire Risk Management Framework Plus (RMF) process
• Experience establishing a System Security Engineering management process to integrate security and privacy controls into complex hardware and software systems
• Experience developing and reviewing security concept of operations, systems security plans, security risk assessments, contingency plans, configuration management plans
• Experience with incident response plans, plan of actions and milestones, risk management plans, and vulnerability management plans
• Strong communication skills; able to successfully communicate with management personnel, technical personnel and third parties.

You will wow us even more if you have these skills:

• Software development/coding experience with programming languages such as Python, Java, and React
• Successfully achieved ATO under RMF+
• Experience with big data applications
• Experience with tools for ticketing and documentation (e.g., Gitlab, Jira, Confluence).
• Experience working in an Agile environment
• Experience with OIDC or Oauth2
• Experience with any of the following technologies:
  • Kubernetes, Rancher, Strimzi, or Cloudera
  • Active Directory
  • Scripting languages like bash, python, or PowerShell

#NMECDTP-Leidos

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 26, 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 $107,900.00 - $195,050.00

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.

MANTECH seeks an experienced and passionate, career and customer-oriented Software Engineer to join our team located in the Ft. Meade, MD area.

Responsibilities include, but are not limited to:

• Leverage IT automation to perform daily tasks associated with data repositories on air-gapped networks.
• Perform Bash shell scripting
• Demonstrated experience creating and managing virtual environments
• Experience configuring and maintaining storage and file systems
• Experience in developing and delivering briefings, technical presentations, and program documentation to senior program management
• Demonstrated experience working with a team to introduce and integrate new technologies into existing production environments
• Document and maintain SOPs on the configuration of the system
• Perform daily audits of systems and software

Minimum Qualifications:

• 14+ years of Software engineering experience with a bachelor’s degree in system engineering, Computer Science, Information Systems, or related discipline… An additional 5 years of software engineering experience might be substituted for a degree.
• Intermediate familiarization for the configuration, orchestration, and development of containerized applications (Ranger/Docker/Kubernetes)
• Experience with Python, Java Script and Bash Shell Scripting
• Familiarity with Linux administration, system file hierarchy, root commands
• Ability to troubleshoot and deploy tools such as Redhat and Ansible.
• Ability to automate dataflow between distributed software systems.
• Hands-on experience with NIFI to forward collected log events to repositories for analysis.
• Familiarity with this open-source platform for the development of containerized applications for distributed applications e.g. Kubernetes.

Preferred Qualifications:

• Ability to launch and configure VMWare instances (i.e., vCenter)
• Create/Maintain bash scripts to dump and load databases
• Experience with Ruby, Java and Perl
• Fundamental experience with DevOps tools such as nxLog, Graphana, GIT, SaltStack (SALT)

Clearance Requirement:

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

Physical Requirements:

• Must be able to remain in a stationary position at least 50% of the time.
• Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
• Constantly operate a computer and other office productivity machinery, such as, the copy machine/fax machine/computer/printer.

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.

MANTECH seeks a motivated, career- and customer-oriented Cloud System Administrator to join our team in Annapolis Junction, MD.

Our team delivers enterprise infrastructure capabilities for a global workforce performing a wide range of missions in defense of our Nation. This effort supports the Enterprise Infrastructure Services (EIS) organization, which oversees MPO’s Enterprise Information Technology (EIT)—the backbone platform for all enterprise users.

Responsibilities include:

• Manage and maintain server infrastructure in a hybrid environment (on-premises and AWS cloud).
• Administer and troubleshoot Linux (Amazon Linux 2023, RHEL 8/9) and Windows Server (2016/2022) systems.
• Configure and manage core services such as Active Directory, DNS, and Group Policy.
• Utilize automation and scripting tools like Salt, BASH, Python, and Ansible to streamline operations.
• Support and maintain security posture by addressing IAVAs and ensuring compliance with security standards.
• Provide expert-level troubleshooting for complex technical issues.
• Collaborate with other teams to design, implement, and maintain system solutions

Minimum Qualifications:

• 14+ years of experience as a Systems Administrator or Cloud Engineer supporting programs of similar scope and complexity.
• Bachelor’s degree in a technical or engineering discipline: and additional 5 years of related experience might be substituted for a degree
• Must hold an IAT II certification (e.g., Security+ or equivalent). If you don’t have this, you’ll be required to obtain it within 60 days of your program start date.
• AWS and other cloud technologies.
• Amazon Linux 2023, Linux RHEL 8/9, Windows Server 2016/2022.
• Proven ability to work independently and manage multiple tasks.
• Excellent troubleshooting and communication skills.

Preferred Qualifications:

• Proficiency with automation and configuration management tools like AWS Packer, AWS CloudFormation, and Ansible.
• Experience with monitoring and security tools such as Splunk and Bigfix.
• Familiarity with DevOps tools like GitLab and GitLab CI/CD.
• Experience in data flow management using NiFi.
• Experience with Windows-specific services, including IIS, certificate services, and federated services.
• Strong background in security compliance and IAVA remediation.

Clearance Requirements:

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

Physical Requirements:

• The candidate must be able to move, carry, and deliver workstations from the office to customer desks
• The person in this position must be able to remain in a stationary position 50% of the time
• Must communicate with co-workers, management, and customers via email, phone, or virtual meetings, which may involve delivering presentations. Must be able to exchange accurate information in these situations.

MANTECH seeks a motivated, career- and customer-oriented Sr Cloud System Administrator to join our team in Annapolis Junction, MD.

Our team delivers enterprise infrastructure capabilities for a global workforce performing a wide range of missions in defense of our Nation. This effort supports the Enterprise Infrastructure Services (EIS) organization, which oversees MPO’s Enterprise Information Technology (EIT)—the backbone platform for all enterprise users.

Responsibilities:

• Provide administration and support for Windows Server 2019 and 2022 environments, including Active Directory, DNS, Certificate Authorities and manage Windows 10/11 client systems.
• Administer and troubleshoot various Linux distributions (e.g., RHEL8/9, AmazonLinux 2023) within AWS.
• Deploy, and maintain robust cloud environments, primarily within AWS, while also supporting existing on-premises server infrastructure.
• Develop, implement and maintain automation scripts and configurations using SaltStack, Ansible, Bash and Python to streamline infrastructure provisioning, configuration management and deployment processes.
• Collaborate with development teams to support integration and operational stability of auto scaled software deployments and CI/CD pipelines, ensuring smooth and reliable software deployments.
• Administer, monitor, and troubleshoot AWS cloud resources, including EC2, S3, VPC, IAM, and other core services.
• Monitor system performance, availability, and security, responding to incidents and performing root cause analysis.

Minimum Qualifications:

• 15+ years of experience as a Systems Administrator or Cloud Engineer supporting programs and contracts of similar scope and complexity
• Bachelor’s degree in system engineering, Computer Science, Information Systems, Engineering Science, Engineering Management or related professional engineering discipline. An additional 5 years of System Administrator experience might be substituted for a degree.
• Must hold an IAT II certification (e.g., Security+ or equivalent); In absence of having a certification, candidate will have 60 days from program start to obtain it
• Proficiency in administering Linux operating systems.
• Experience with Windows Server 2022 administration, including Active Directory and networking
• Proven experience as a System Administrator or Cloud Engineer with practical knowledge of cloud environments

Preferred Qualifications:

• Experience working in enterprise or government environments
• Familiarity with cloud security and compliance practices
• Hands-on experience with Amazon Web Services (AWS) for infrastructure deployment, management, and troubleshooting
• Strong communication and interpersonal skills, capable of working effectively in a team environment
• Proficiency in administering and troubleshooting Linux distributions (e.g., RHEL8/9, AmazonLinux 2023).

Clearance Requirements:

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

Physical Requirements:

• The candidate must be able to move, carry, and deliver workstations from the office to customer desks
• The person in this position must be able to remain in a stationary position 50% of the time
• Must communicate with co-workers, management, and customers via email, phone, or virtual meetings, which may involve delivering presentations. Must be able to exchange accurate information in these situations.

Intro

Are you ready to explore a world of possibilities, both at work and duringyour time off? Join our American Airlines family, and you’ll travel the world, grow your expertise and become the best version of you.  As you embark on a new journey, you’ll tackle challenges with flexibility and grace, learning new skills and advancing your career while having the time of your life.  Feel free to enrich both your personal and work life and hop on board!

Why you’ll love this job

• As one diverse, high-performing team dedicated to technical excellence, you will focus relentlessly on delivering unrivaled digital products that drive a more reliable and profitable airline.
• IT Asset Management within the ITSM organization ensures that all technology assets—hardware, software, cloud, and OT—are accurately tracked, governed, and maintained throughout their lifecycle to support reliable service delivery and compliance. ITAM focuses on creating a trusted source of asset data by aligning inventories with discovery tools, CMDB structures, and operational processes, enabling better decision making, cost control, and risk reduction. This role emphasizes data integrity, platform reliability, and lifecycle enforcement by monitoring discovery pipelines, analyzing discrepancies, and engineering durable automation to resolve systemic issues. By partnering with engineering, cybersecurity, procurement, audit, and operations teams, ITAM enhances visibility into the technology estate, reduces risk, improves decision-making, and ensures assets effectively support business and IT objectives.

What you’ll do

As noted above, this list is intended to reflect the current job but there may be additional essential functions (and certainly non-essential job functions) that are not referenced.  Management will modify the job or require other tasks be performed whenever it is deemed appropriate to do so, observing, of course, any legal obligations including any collective bargaining obligations.

• Serve as the subject-matter expert for systems such as ServiceNow CMDB, Tanium, Flexera, cloud provider APIs, and OT discovery platforms.
• Lead technical governance of enterprise asset discovery and CMDB data integrity across SAM and HAM domains
• Deploy, configure, and optimize infrastructure components (compute, storage, network, cloud services) that underpin ITAM/CMDB and discovery ecosystems.
• Develop, test, and document automation, scripts, and tooling that improve platform reliability, lifecycle management, and data quality while reducing manual processes.
• Architect resilient, scalable solutions including backup, disaster recovery, and failover patterns for mission critical platforms.
• Lead technical design for new infrastructure capabilities, integrations, and modernization initiatives across on prem, cloud, and hybrid environments.
• Conduct root cause analysis for infrastructure or data integrity issues and drive permanent remediation through design and engineering solutions.
• Establish and maintain platform observability through logging, monitoring, health checks, and validation workflows.
• Ensure infrastructure changes follow best practices for resiliency, security, supportability, and ITSM alignment.
• Evaluate vulnerabilities and operational weaknesses related to infrastructure and recommend mitigation strategies.
• Create and maintain detailed architecture diagrams, technical documentation, operational runbooks, and lifecycle standards.
• Guide engineering teams through infrastructure patterns, platform operations, DR design, and CMDB/asset related data flows.
• Champion reusability, standardization, and consistent architecture patterns across systems and integrations.
• Collaborate with cybersecurity, cloud engineering, audit, ITSM, and operations teams to deliver aligned, cross domain technical solutions.
• Provide technical leadership and mentorship, influencing design decisions and fostering engineering excellence across the organization.

All you’ll need for success

Minimum Qualifications- Education & Prior Job Experience

• Bachelor’s degree in Computer Science, Computer Engineering, Technology, Information Systems (CIS/MIS), Engineering or related technical discipline, or equivalent experience/training
• 3+ years of experience designing, developing, and implementing large-scale solutions in production environments

Preferred Qualifications- Education & Prior Job Experience

• Master’s degree in Computer Science, Computer Engineering, Technology, Information Systems (CIS/MIS), Engineering or related technical discipline, or equivalent experience/training
• Airline Industry experience

Skills, Licenses & Certifications

• Proficiency with the following technologies:

  • Deployment Technologies: Kubernetes, Docker
  • Source Control: GitHub, Azure DevOps
  • Cloud Providers such as Azure and AWS

• Ability to optimize solutions for performance, resiliency and reliability while maintaining an eye toward simplicity

• Ability to concisely convey ideas verbally, in writing, in code, and in diagrams

• Experience working within Agile methodologies (e.g., SCRUM) and DevOps toolchains, including Continuous Integration and Continuous Deployment

• Ability to analyze complex infrastructure and data integrity problems and engineer durable technical solutions.

• Experience supporting enterprise ecosystems spanning Software Asset Management (SAM), Hardware Asset Management (HAM), CMDB governance, and discovery platforms.

• Flexera One modules including IT Asset Management (ITAM), IT Visibility (ITV), SaaS Manager, Licensing, Reporting, Data Collection, and Administration

• Agent and agentless discovery, beacon configuration, and integrations with Azure, SCCM, JAMF, VMware, Archer, and Tanium

• Business Intelligence & Reporting using dashboards, Power BI, GraphQL queries, and SQL-based ETL pipelines

• Experience with Tanium administration, including the Tanium Asset module, and automation workflows.

• Proficiency in data integration and automation using REST APIs, GraphQL, PowerShell, SQL, and Bash, including ETL pipeline design, agent deployment automation, and advanced troubleshooting of discovery agents, beacon logs, and data collection processes.

• Experience with Dynatrace or equivalent monitoring tools in high-availability environments.

What you’ll get

Feel free to take advantage of all that American Airlines has to offer:

• Travel Perks: Ready to explore the world? You, your family and your friends can reach 365 destinations on more than 6,800 daily flights across our global network.
• Health Benefits: On day one, you’ll have access to your health, dental, prescription and vision benefits to help you stay well. And that’s just the start, we also offer virtual doctor visits, flexible spending accounts and more.
• Wellness Programs: We want you to be the best version of yourself – that’s why our wellness programs provide you with all the right tools, resources and support you need.
• 401(k) Program: Available upon hire and, depending on the workgroup, employer contributions to your 401(k) program are available after one year.
• Additional Benefits: Other great benefits include our Employee Assistance Program, pet insurance and discounts on hotels, cars, cruises and more

Feel free to be yourself at American

From the team members we hire to the customers we serve, inclusion and diversity are the foundation of the dynamic workforce at American Airlines. Our 20+ Employee Business Resource Groups are focused on connecting our team members to our customers, suppliers, communities and shareholders, helping team members reach their full potential and creating an inclusive work environment to meet and exceed the needs of our diverse world.

Are you ready to feel a tremendous sense of pride and satisfaction as you do your part to keep the largest airline in the world running smoothly as we care for people on life’s journey? Feel free to be yourself at American.

Description

Leidos’ Dig Mod Health IT division is looking for an experienced Cloud and Platform Engineering Manager to support a major IT services project at Health Human & Human Services (HHS) in Rockville, MD.

The Cloud and Platform Engineering Manager will lead and oversee engineering teams focused on M365/Azure environments, endpoint device management, unified communications platforms, mobile device solutions, and AI technology integration. They will manage the daily operations of the endpoint engineering team, set technical standards and best practices, and ensure successful project delivery by coordinating with stakeholders throughout the organization. This role involves managing the team’s priorities and technical projects, working with the Program Manager on technical road maps, resource planning, and allocation. As a senior technical escalation point, they will address issues and challenges, provide feedback and guidance, and regularly interface with the HHS customer to update on status, review projects and risks, and discuss upcoming priorities. The Manager will also collaborate frequently with other cross-functional engineering and contractor teams supporting HHS initiatives.

Candidate MUST:

Be able to work onsite 1-2 days per week, locally available for on-site support in Rockville, MD, or Washington, DC.

Be a US Citizen or US Person who has lived in the United States for the past three (3) consecutive years and hold a current Public Trust level 4 clearance or similar/equal level.

Primary Responsibilities

• Lead and manage a multidisciplinary engineering team supporting enterprise endpoint, Microsoft Cloud, and UCC collaboration services in a federal environment.
• Oversee engineering functions for Microsoft 365, Azure, Exchange Online, Teams, and related collaboration services.
• Manage Windows and macOS endpoint engineering, including device lifecycle management, patching, imaging, compliance baselines, and security configuration.
• Oversee mobile device management (MDM) platforms (e.g., Intune, JAMF) and establish secure mobility policies across iOS, Android, and other mobile platforms.
• Direct unified communications and video teleconferencing (VTC) engineering, ensuring high availability, quality, and reliability of conferencing infrastructure.
• Collaborate with IT leadership to evaluate, test, and integrate AI tools and capabilities into the enterprise endpoint environment, ensuring secure and responsible AI adoption across the user base.
• Maintain and oversee the M365/Azure test lab environment, supporting evaluation of new features, patches, and security controls.
• Provide technical leadership, mentorship, performance management, and escalation support for engineering staff.
• Manage engineering projects, including planning, resource allocation, documentation, stakeholder communication, and risk management.
• Ensure adherence to federal cybersecurity requirements, compliance frameworks, and agency-specific security controls.
• Develop, review, and maintain engineering standards, runbooks, architecture diagrams, and operational processes.
• Identify and implement process improvements, automation opportunities, and operational efficiency enhancements.
• Coordinate with cross-functional teams, leadership, and stakeholders to support mission outcomes and modernization initiatives.
• Ensure all Service Level Agreements are met or exceeded by all endpoint teams.
• Develop, review, and track all endpoint engineering related contract deliverables to ensure they are delivered on time and accurately to the government.

Basic Qualifications

• Bachelor’s degree and 12+ years of combined IT and IT Engineering experience, or Master’s degree with 6+ years of combined IT and IT Engineering experience required. Equivalent professional experience may be considered in lieu of a degree.

• 5+ years of Team and Project Management experience supporting at Senior Level.

• Extensive hands-on experience and technical expertise in:

  • M365/Azure administration and engineering
  • Windows and macOS endpoint management
  • Unified communications platforms and VTC systems
  • Mobile device management platforms (e.g., Intune, JAMF)

• Enterprise AI tools, AI policy considerations, and integrating AI capabilities into end-user environments.

• Ability to manage multiple projects, competing priorities, and technical escalations in a fast-paced enterprise environment.

• Excellent professional leadership, presentation, communication, and documentation skills.

• Current Public Trust clearance or higher, preferred.

Preferred Qualifications

• Experience working with federal agencies or federal IT contractors, including familiarity with federal compliance frameworks, security requirements, and procurement processes.

• Relevant certifications such as:

  • Microsoft 365 Administrator Expert
  • Azure Administrator
  • JAMF Pro Certification
  • PMP Certification
  • ITIL certification (ITIL 4, preferred)

• Experience with automation and scripting (e.g., PowerShell, Graph API, Bash).

• Experience with ITIL, Agile, or other project management methodologies.

• Experience deploying secure configurations aligned with NIST, CIS, or agency-specific baselines.

• Familiarity with Zero Trust concepts, identity governance, and endpoint security hardening.

• Experience planning or engineering enterprise-scale modernization or transformation initiatives.

• Experience evaluating or implementing AI features in Microsoft 365 (e.g., Copilot), endpoint management workflows, or enterprise collaboration platforms.

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 25, 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

MANTECH seeks an experienced and passionate, career and customer-oriented Systems Administrator to join our team located in the Fort Meade, MD area.

Responsibilities include, but are not limited to:

• Provide comprehensive administration and support for multi-platform operating system environments.
• Manage and maintain virtualized environments and enterprise-level virtualization management tools.
• Configure and maintain host-based security and intrusion detection systems.
• Configure and maintain enterprise storage solutions and associated file system architectures.
• Develop and deliver technical documentation and program briefings to senior management and stakeholders.

Minimum Qualifications:

• Bachelor’s degree in a technical field and 10+ years of relevant Systems Administration experience; or an Associate’s degree with 15+ years’ experience.
• 10+ years of experience in systems administration of software and hardware supporting IT system development and testing.
• Experience in a Linux environment.
• 2+ years of experience in Splunk administration.
• Experience utilizing Ansible or comparable infrastructure-as-code tools.
• Proficiency with scripting languages including Python, Bash, or Perl.
• Familiarity with enterprise virtualization platforms (VMware or similar) and associated Storage Area Networks (SAN).

Preferred Qualifications:

• Experience with DevOps tools such as Docker, Kubernetes, SaltStack, or Puppet.
• Experience with NiFi or cross-domain solutions.
• Knowledge of network devices (routers, switches, gateways) and protocols such as TCP/IP, UDP, HTTP, DHCP, and DNS.

Clearance Requirement:

• Current/Active TS/SCI with Polygraph

Physical Requirements:

• Must be able to remain in a stationary position at least 50% of the time.
• Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
• Constantly operate a computer and other office productivity machinery, such as, the copy machine/fax machine/computer/printer.

MANTECH seeks an experienced and passionate, career and customer-oriented Linux Systems Administrator to join our team located in the Fort Meade, MD area.

Responsibilities include, but are not limited to:

• Provide comprehensive administration and support for multi-platform operating system environments.
• Design and implement automated security hardening solutions to enhance scalability and streamline operating system deployments.
• Configure and maintain host-based security and intrusion detection systems.
• Monitor system performance and investigate detected anomalies to ensure operational integrity.
• Develop and deploy automation scripts to manage server integration and reduce manual configuration errors.
• Analyze system and security logs to identify and respond to real-time events and provide status updates to leadership.
• Engineer automation workflows for identity and access management to replace manual account provisioning processes.
• Conduct regular audits to verify security compliance and identify potential vulnerabilities or configuration gaps.
• Participate in design and review meetings to provide technical insights, project goals, and status updates to management.

Minimum Qualifications:

• Bachelor’s degree in a technical field and 10+ years of relevant Systems Administration experience; or an Associate’s degree with 15+ years’ experience.
• 10+ years of experience in systems administration of software and hardware supporting IT system development and testing.
• Extensive experience with Linux administration and enterprise-level operating systems.
• Experience utilizing Ansible or comparable infrastructure-as-code tools.
• Experience with NiFi or cross-domain solutions.
• Experience managing enterprise virtualization platforms (VMware or similar) and associated Storage Area Networks (SAN).

Preferred Qualifications:

• Experience with DevOps tools such as Docker, Kubernetes, SaltStack, or Puppet.
• Proficiency in scripting languages including Python, Bash, or Perl.
• Experience collaborating with teams to integrate and deploy new technologies into production environments.
• Knowledge of network devices (routers, switches, gateways) and protocols such as TCP/IP, UDP, HTTP, DHCP, and DNS.

Clearance Requirement:

• Current/Active TS/SCI with Polygraph

Physical Requirements:

• Must be able to remain in a stationary position at least 50% of the time.
• Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
• Constantly operate a computer and other office productivity machinery, such as, the copy machine/fax machine/computer/printer.

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

The Senior Splunk Cyber Security Engineer will leverage their strong technical background and knowledge to support the Sponsor’s system accreditation efforts, to include creating Body of Evidence (BOE) documentation, responding to, implementing, and documenting required controls, and completing required tasks and actions.

Responsibilities include but are not limited to:

• Managing the day-to-day operation of a large Splunk environment and troubleshooting new and current data collection issues to ensure system health.
• Deploying and managing all supported and unsupported Splunk Add-ons required for specific data sources and performing integrations via API.
• Delivering comprehensive Splunk deployment documentation to detail specifications, deployment methods, and architectural considerations.
• Designing and deploying forwarders rapidly with centralized configuration management using the Splunk Deployment Server.
• Overseeing Knowledge Object Management, such as Common Information Model (CIM) management and tuning, to ensure data consistency.
• Working with all stakeholders to ensure complete and functioning systems that meet all requirements.
• Recommending, and when approved, implementing process and policy improvements to enhance cyber defense capabilities.

Minimum Qualifications:

• Bachelor’s degree or 4+ additional years of experience in lieu of degree.
• 5+ years of experience in cyber security
• 3+ years of experience with Splunk Enterprise Security
• Experience working with Unix, Linux, and Windows operating systems to drive a security agenda across intertwined systems.
• Experience navigating the Sponsor’s accreditation process and ICD 503 requirements.
• Experience with network documentation including security compliance, configuration management, and patching.
• Possession of a DoD 8570 IAT Level II or IAT Level III certification.

Preferred Qualifications:

• Experience with scripting languages such as Bash, Python, or Java, and utilizing various analytical tools.
• Advanced Splunk certifications including Architect, Consultant, or IT Service Intelligence (ITSI) experience.
• Cribl Engineer Certification and experience with security and operational related use cases.

Clearance Requirements:

• An active TS/SCI with Polygraph is required for this position.

Physical Requirements:

• Must be able to remain in a stationary position 50% of the time.
• Needs to occasionally move about inside the office to access file cabinets, office machinery, and other equipment.
• Frequently communicates with co-workers, management, and customers, which may involve delivering presentations.
• Must be able to exchange accurate information in these situations.

Description

Leidos has an exciting opening for you, our next TS/SCI Cyber Security Engineer working across several Task Orders under the DOMEX Technology Platform (DTP) contract supporting NMEC. Have impact as part of a mission focused, solutions oriented, and adaptive team that values innovation, collaboration, and professional development.

As a Cyber Security Engineer, your job will be to design, develop, and implement secure systems in on-premises infrastructure. You will leverage on your experience with security technologies and industry best practices to ensure that security is integrated into system design, development, testing, and deployment and that all security requirements are compliant with the DoD Risk Management Framework. This exciting and challenging work will help you expand your capabilities in security and will provide you with the skills and experience you need to achieve additional levels of the DoD 8570 IAT and IASAE Certifications.  While most work is conducted on-site at our client location in Bethesda, MD, we offer a flexible schedule and, occasionally, some tasks may be performed remotely. Percentage of remote work will vary based on client requirements/deliverables.

In this role, you will collaborate closely with ISSOs, ISSSMs, software engineers, software developers, system engineers and Government counterparts to perform the full spectrum of systems and cyber security engineering tasks to ensure our systems meet a variety of regulatory compliance frameworks.

Key Tasks include the following:

• Support the secure architecture, design, and implementation of DoD systems in accordance with DoDI 8510.01, NIST SP 800-53, and other DoD security guidance.
• Lead the integration of RMF activities into the system development lifecycle (SDLC), including selecting, implementing, and validating security controls.
• Develop and maintain key security documentation such as System Security Plans (SSPs), Security Assessment Reports (SARs), Risk Assessments, and Plan of Action and Milestones (POA&Ms).
• Collaborate with ISSOs, ISSMs, developers, and system owners to ensure systems are developed and maintained with approved security configurations.
• Apply Security Technical Implementation Guides (STIGs) to systems and validate compliance using tools such as SCAP, STIG Viewer, and ACAS.
• Maintain application, network, and database scanning infrastructure (application/product updates, database maintenance, benchmark/audit files, application/server builds, rule pack/content updates, scanner, or agent deployment etc.)
• Analyze vulnerability scans and ensure timely mitigation or acceptance of risks based on DoD policies.
• Provide technical input to support and maintain system authorization.
• Participate in system reviews, architecture assessments, and engineering design reviews to embed cybersecurity from the outset.
• Develop and implement automation or security tools to improve the compliance and monitoring of systems.
• Support security incident response and forensics analysis in coordination with ISSMs and Security points of contact.

Requirements:

• BS degree and 8+ years of experience in cybersecurity. Additional relevant years of experience in lieu of degree is accepted.
• An active TS/SCI clearance with ability to obtain a Poly
• Have at least one of the following DoD 8570.01-M IASAE Level II certifications: CISSP, CISSP-ISSAP, CISSP-ISSEP, CSSLP, or CASP+ CE. NOTE: the CISSP Associate is not acceptable
• Developer experience is preferred in a least one scripting / programming language.
• Experience with reviewing cybersecurity vulnerabilities for risk and relevance as well as in vulnerability mitigations/remediation planning, for identified systems, network, application and database vulnerabilities
• Ability to architect, design, troubleshoot, maintain, and deploy vulnerability scanning solutions such as (OWASP, Fortify, Sonarqube, Tenable, etc.)
• Experience with XACTA, EMass, or similar tool
• Strong in-depth understanding of including Microsoft Windows and Linux/UNIX operating systems
• Experience with middleware / web technologies (Apache, tomcat, IIS, etc.)
• Experience with Databases (Postgres, MS SQL, MySQL, ElasticSearch, etc.)
• Understanding of TCP/IP networking.
• Experience with Continuous Integration and Continuous Delivery Platforms (Jenkins, Bamboo, GitlabCI TFS, etc.)
• Familiar with NIST 800-171, 800-172, NIST SSDF, and CMMC requirements.
• Experience with NIST Special Publications e.g. NIST SP 800-27, 30, 37, 53, 60, 171, NIST SSDF, CMMC requirements, and CNSS publication CNSSI 1253
• Experience supporting DoD/IC systems through the entire Risk Management Framework Plus (RMF) process
• Experience establishing a System Security Engineering management process to integrate security and privacy controls into complex hardware and software systems
• Experience developing and reviewing security concept of operations, systems security plans, security risk assessments, contingency plans, configuration management plans
• Experience with incident response plans, plan of actions and milestones, risk management plans, and vulnerability management plans
• Strong communication skills; able to successfully communicate with management personnel, technical personnel and third parties.

You will wow us even more if you have these skills:

• Software development/coding experience with programming languages such as Python, Java, and React
• Successfully achieved ATO under RMF+
• Experience with big data applications
• Experience with tools for ticketing and documentation (e.g., Gitlab, Jira, Confluence).
• Experience working in an Agile environment
• Experience with OIDC or Oauth2
• Experience with any of the following technologies:
  • Kubernetes, Rancher, Strimzi, or Cloudera
  • Active Directory
  • Scripting languages like bash, python, or PowerShell

#NMECDTP-Leidos

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 26, 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 $107,900.00 - $195,050.00

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.

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

The Senior Cloud Engineer will leverage their strong technical background and knowledge to design, implement, and manage secure Azure cloud infrastructures in support of mission-critical operations. This role focuses on security monitoring and threat detection, leveraging modern DevOps tools and practices to support complex cloud environments.

Responsibilities include but are not limited to:

• Supporting Azure cloud services and infrastructure using Infrastructure as Code (IaC) tools such as Terraform or ARM templates
• Troubleshooting and resolving issues related to Azure cloud environments while implementing security best practices
• Leveraging Azure data services including Microsoft Defender for Cloud and Microsoft Sentinel to ensure security posture and compliance
• Writing and maintaining automation scripts in PowerShell, Python, or Azure CLI and executing them using Azure Functions
• Configuring network security groups (NSGs), application gateways, and other network controls to protect cloud resources
• Managing Azure compute, storage, networking, and database services to ensure complete and functioning systems
• Applying security best practices and compliance standards while collaborating effectively across teams to address complex technical needs

Minimum Qualifications:

• Bachelor’s degree or 4+ additional years of IT experience in lieu of a degree
• 5+ years of experience in cloud engineering and/or development
• Experience designing and deploying Azure-based solutions and working with DevOps tools such as Azure DevOps or Git
• Experience with Infrastructure as Code tools like ARM templates, Terraform, Ansible, or BICEP
• Experience automating workflows using scripting tools such as PowerShell, Bash, Python, YAML, or JSON
• Experience with cloud template technologies including Azure Resource Manager and GitHub Enterprise
• DoD 8570 IAT Level 2 certification (e.g., Security+, SSCP) or ability to obtain within 6 months of hire

Preferred Qualifications:

• Microsoft certifications such as Azure Administrator Associate or Azure Security Engineer Associate
• Familiarity with container technologies such as Docker and Kubernetes, and experience with other cloud platforms
• Understanding of NIST SP 800-53, NIST SP 800-37, and DoD Cloud Security Requirements Guide

Clearance Requirements:

• 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

MANTECH seeks a motivated, career and customer-oriented Principal Cloud Engineer to join our team in Chantilly, VA.

The Principal Cloud Engineer will leverage their strong technical background and knowledge to design, implement, and manage secure cloud infrastructures in support of mission-critical operations, with a strong focus on security monitoring and threat detection. This role supports complex cloud environments by leveraging modern DevOps tools and practices, collaborating across teams to solve technical challenges.

Responsibilities include but are not limited to:

• Supporting AWS, Azure, Oracle, and GCP cloud services and infrastructure using Infrastructure as Code (IaC) tools such as Terraform or ARM templates.
• Troubleshooting and resolving issues related to specific cloud environments while implementing cloud security best practices.
• Leveraging Azure data services, including Azure Monitor, Log Analytics, Microsoft Defender, and Microsoft Sentinel, to ensure security posture and compliance.
• Writing and maintaining automation scripts in PowerShell, Python, or Azure CLI and executing them using Logic Apps and Azure Functions.
• Configuring network security groups (NSGs), application gateways, and other network controls to protect cloud resources.
• Managing cloud compute, storage, networking, and database services while applying security compliance standards across the organization.
• Working with all stakeholders to ensure complete and functioning systems that meet all requirements.

Minimum Qualifications:

• Bachelor’s degree or 4+ additional years of IT experience in lieu of a degree
• 7+ years of experience in cloud engineering and/or development
• Experience designing and deploying cloud-based solutions using DevOps tools such as Azure DevOps, Jenkins, GitLab, or Docker.
• Experience with Infrastructure as Code (IaC) tools like ARM templates, Terraform, Ansible, or BICEP.
• Familiarity with cloud template technologies including GitHub Enterprise and architecture frameworks such as TOGAF or Zachman.
• Experience automating workflows using scripting tools such as PowerShell, Bash, Python, YAML, or JSON.
• Experience meeting security requirements in the Sponsor’s environment or similar complex environments.
• DoD 8570 IAT Level 2 certification (e.g., Security+, CCNA Security) or the ability to obtain it within 6 months of hire.

Preferred Qualifications:

• Familiarity with container technologies such as Kubernetes and experience with Google Cloud Platform.
• Understanding of Federal Information Processing Standards (FIPS)-199, NIST SP 800-53, NIST SP 800-53A, NIST SP 800-37, and DoD Cloud Security Requirements Guide
• Microsoft certifications such as Azure Administrator Associate, Azure Security Engineer Associate, or Azure Solutions Architect Expert.

Clearance Requirements:

• 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.

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

You will help design, implement, and maintain secure and scalable systems and infrastructure aligned to mission and business needs. Your role ensures performance, integrity, and protection across enterprise platforms while serving as a senior technical leader.

Responsibilities include but are not limited to:

• Designing and maintaining complex enterprise systems and infrastructure that support strategic business objectives.
• Developing comprehensive system architecture and design documentation while maintaining a robust library of network diagrams.
• Collaborating with engineering and cybersecurity teams to ensure solutions meet security, performance, and scalability standards.
• Managing and configuring network devices and appliances, including Juniper, Cisco, and F5 platforms.
• Administering and troubleshooting Windows, Linux, and vendor appliance-based systems to ensure high availability.
• Planning and executing OS upgrades, patches, migrations, and system lifecycle tasks.
• Developing and maintaining disaster recovery strategies and proactive system monitoring mechanisms.

Minimum Qualifications:

• Bachelor’s degree or 4+ years of additional experience in lieu of a degree
• 5+ years of experience with systems and/or cybersecurity engineering.
• Current DoD 8570 certification meeting IAT Level II requirements.
• Knowledge of system architecture, infrastructure design, and/or advanced networking protocols.
• Experience with VMWare environments, including vCenter and/or ESXi deployment and administration.
• Experience in vulnerability management, including scanning, assessment, remediation, and reporting.
• Experience with cloud platforms such as AWS, Azure, and/or Google Cloud.
• Experience with scripting and automation using Python, Bash, and/or PowerShell for Windows and Linux administration.

Preferred Qualifications:

• Advanced cloud certification such as AWS Certified Solutions Architect or Azure Solutions Architect Expert.
• Experience leading security architecture reviews and implementing zero-trust architectures.
• Exposure to SIEM platforms and enterprise monitoring solutions.
• Prior support to IC or DoD environments with ATO/accreditation processes and ICD 503 requirements.

Clearance Requirements:

• 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.