200 nodes). \* Proven troubleshooting experience with VMs and applications. \* Experience with Kubernetes, Docker, and Rancher. \* Familiarity with Apache NiFi or similar data integration tools. \* Working knowledge of Ansible for automation. \* Hands-on experience managing VMs in OpenStack, VMware, or AWS. \* Ability to troubleshoot SSH, performance, and network-related issues. \* Experience with security hardening (STIG, STE/STN) and compliance documentation (SSP). \* Active Security+ certification. Desired: \* Advanced Ansible automation experience. \* PKI/Certificate management experience. \* Familiarity with Grafana, Rook-Ceph, and Git. \* Exposure to AWS services (EC2, RDS, etc.). \* Understanding of NiFi architecture and dataflow troubleshooting. \* Proven ability to work collaboratively while managing independent tasks. \* Hadoop/Cloud System Administration Certification is a plus. Join Us: If you're ready to take your career to the next level in a supportive, innovative, and dynamic environment, we want to hear from you. Apply now and become an essential part of our Infrastructure team! This position is contingent on funding and may not be filled immediately. However, this position is representative of positions within CACI that are consistently available. Individuals who apply may also be considered for other positions at CACI. What You Can Expect: A culture of integrity. At CACI, we place character and innovation at the center of everything we do. As a valued team member, you'll be part of a high-performing group dedicated to our customer's missions and driven by a higher purpose - to ensure the safety of our nation. An environment of trust. CACI values the unique contributions that every employee brings to our company and our customers - every day. You'll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality. A focus on continuous growth. Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground in your career and in our legacy. Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits. The proposed salary range for this position is: $103,800 - $218,100 CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.