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Infrastructure Systems Administrator

Job in Chantilly, Fairfax County, Virginia, 22021, USA
Listing for: Booz Allen Hamilton
Full Time, Part Time position
Listed on 2026-09-12
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Administrator
Salary/Wage Range or Industry Benchmark: 77600 - 176000 USD Yearly USD 77600.00 176000.00 YEAR
Job Description & How to Apply Below

Join a culture of emplowerment and connectivity.

Develop your craft

Learn the skills you need to accelerate your career.

Discover benefits that your life and work.

Innovate with intention

Build mission-ready tech that protects the nation.

The Opportunity:

Your combination of people skills and system administrator and cybersecurity expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting warfighters? We're looking for a system administrator who is comfortable installing, configuring, and maintaining Red Hat Enterprise Linux ( RHEL ) systems across physical, virtual, and cloud-based environments.

In addition, you're comfortable applying systems updates, patches, and conducting various scans to maintain cyber compliance. This combination of skill and action will help us build, field, and sustain next-gen sof tware solutions for the client and deploy cybersecurity solutions that can be leveraged across the Department of War.

As a system administrator and cyber analyst on our project, you'll install, configure and manage RHEL and Windows operating systems to ensure that they meet client needs while also being compliant with Risk Management Framework ( RMF ) . You will assess and manage system performance, while also authoring documentation to capture configuration changes, procedure updates, and troubleshooting guides as needed.

As a client-facing asset, you provide direct communications to the client to articulate technical challenges, risks, and solution options that are executable and affordable. 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 met rics into information and explaining their meaning.

This is an opportunity to apply and sharpen your systems administration and cybersecurity skill sets while also becoming a critical asset that is responsible for both maintaining and upgrading system networks. We focus on growing as a team, so you'll share your expertise through leadership as you help the teamwork through challenges and develop new met hodologies. As a system administration 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 warfighter lethality, awareness, and decision making across the battle space.

Join us. The world can't wait.

You Have:

7+ years of experience with Linux systems engineering or administration

Experience with RHEL 8 or 9

Experience in shell scripting and automation

Experience with monitoring and cybersecurity tools, including ACAS Security Center , Evaluate STIG, SCAP, STIG Viewer, or Nessus Scanner

Experience with virtualization technologies such as VMWare, Hypervisor, or KVM

Experience with containerization, including Docker, Podman, or Kubernetes

Knowledge of system hardening, security best practices, and networking concepts, including IPv4, SSH, and Firewalls

Ability to work independently and in a team-oriented, collaborative environment

TS/SCI clearance with a polygraph

HS diploma or GED

Nice If You Have:

Experience with CI / CD pipelines and Dev Ops practices

Experience with threat intelligence platforms and incident response frameworks

Knowledge of changes in RHEL 10

Red Hat Certified Engineer ( RHCE ) or equivalent 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 with polygraph is required.

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…

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