Systems Administrator, Senior

Job Information Job Number: R0240583 Systems Administrator, Senior Overview Your combination of people skills and system administrator expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting the Air Force. We’re looking for a system administrator deep expertise in Linux systems, container orchestration such as Kubernetes, and automation such as Ansible. The ideal candidate will bridge the gap between complex technical execution and client‑facing communication. Responsibilities As a system administrator on our project, you’ll manage and optimize our infrastructure and be responsible for the architecture, security, and performance of our systems and containerized environments. You’ll provide your customers insight into their network through monitoring and performance management. Your system administrator expertise will be vital as you identify problem areas and opportunities for improvement in a mission‑critical network. You’ll help your team better understand the network by turning metrics into information and explaining their meaning. This is an opportunity to broaden your skillset into areas like automation logic, cluster management, workload management, and CI/CD integration. We focus on growing as a team, so you’ll share your expertise through leadership and mentoring as you help the team work through challenges and develop new methodologies. As a system administrator leader, you’ll identify new opportunities to modernize the network so your clients achieve their goals. Work with us and resolve daily challenges as we improve our clients’ network infrastructure and bring additional capabilities to the warfighter. Qualifications 7+ years of experience in Linux Administration Experience with automation tools such as Ansible or Terraform Experience with containers such as Docker, Kubernetes, or Podman Experience with SELinux and FApolicyd, STIG hardening, Identity Management (IdM/LDAP), and managing secrets and certificates Knowledge of IT networking and security concepts Ability to translate complex technical requirements into solutions for clients and engineers TS/SCI clearance Bachelor’s degree in Computer Science, Engineering, or a STEM field DoD 8570 IAT Level II Certification Nice to Have Experience in administration of RHEL Experience deploying and managing production Kubernetes clusters such as OpenShift, EKS, or RKE Experience with Helm charts, Kustomize, and managing persistent container storage interface (CSI) and container networking interface (CNI) Experience integrating IaC and Ansible into pipelines such as GitLab CI, Jenkins, or GitHub Actions Knowledge of IP tables and NFTables, DNS, load balancing, HAProxy, Nginx, and namespaces Ability to use troubleshooting tools such as ss, netstat, tcpdump, traceroute, and ping to isolate network problems Ability to conduct performance tuning, kernel patching, and debugging as well as optimizing Linux kernels for container workloads such as tweaking sysctl for K8s Master’s degree in Computer Science, Engineering, or a STEM field Red Hat Certified Engineer (RHCE) or Linux Foundation Certified Engineer (LFCE) Certification Clearance Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information; TS/SCI clearance is required. Work Model Remote: If this position is listed as remote, there may still be occasions when you are required to work in person at a Booz Allen or customer facility. Hybrid: If this position is listed as hybrid, you will be expected to work from a Booz Allen facility frequently, in alignment with leadership expectations and the needs of the role. You may also be required to work from or visit a customer facility. Onsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role. Commitment to Non‑Discrimination All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local, or international law. Compensation At Booz Allen, we celebrate your contributions, provide you with opportunities and choices, and support your total well‑being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, work‑life programs, and dependent care. Our recognition awards program acknowledges employees for exceptional performance and superior demonstration of our values. Full‑time and part‑time employees working at least 20 hours a week on a regular basis are eligible to participate in Booz Allen’s benefit programs. Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits. We encourage you to learn more about our total benefits by visiting the Resource page on our Careers site and reviewing Our Employee Benefits page. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract‑specific affordability and organizational requirements. The projected compensation range for this position is $77,500.00 to $176,000.00 (annualized USD). The estimate displayed represents the typical salary range for this position and is just one component of Booz Allen’s total compensation package for employees. This posting will close within 90 days from the Posting Date. #J-18808-Ljbffr