Jobs and Careers
BO

Systems Administrator, Senior

Booz Allen Hamilton
United Statesfull_timeVerifiedPosted 27 Oct 2025
💰 $176,000/yr($77,500/yr$176,000/yr)

About the role

Systems Administrator, Senior

The Opportunity:

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 our client?

As a System Administrator on our project, you’ll support the operation, maintenance, and design of information technology resources within a virtual environment for High Performance Computing (HPC) technology, digital engineering, and data analytics. You will maintain responsibility for the installation of new equipment and operating systems to best suit the needs of analysis to be conducted and the engineers requiring support. You’ll support the review of current infrastructure to provide an overview and prepare plans for improvement and enhancement that will increase efficiency and security within the network. You will maintain responsibility for cutting-edge computing systems and the evaluation of their use for research in furtherance of the mission.  

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.

Join us. The world can’t wait. 

You Have: 

  • 5+ years of experience configuring and managing Unix, Linux, or Windows operating systems, including installing or loading operating system software, troubleshooting, maintaining integrity of and configuring network components, and implementing operating systems enhancements to improve security, reliability, and performance
  • Experience administering, monitoring, and maintaining HPC systems, including compute nodes, storage, networking, and software stacks
  • Experience providing support to IT systems, including day-to-day operations, monitoring, and problem resolution for all client, server, storage, or network or mobile devices
  • Experience optimizing system operations and resource utilization, and performing system capacity analysis and planning
  • Experience contributing to performance benchmarking, system tuning, and capacity planning
  • Experience supporting researchers by providing technical expertise and resolving IT roadblocks or issues
  • Knowledge of network engineering
  • Ability to communicate with engineers to develop computing environments that will optimize results
  • Top Secret clearance
  • HS diploma or GED

Nice If You Have: 

  • 10+ years of experience as a lead system administrator
  • Experience with network fundamentals and network troubleshooting
  • Experience in Shell scripting and diagnosing open-source issues
  • Experience with Slurm
  • Experience with system automation tools or system provisioning tools
  • Experience with distributed storage systems and containerization tools
  • Experience installing, maintaining, and using infrastructure and performance monitoring and optimization tools
  • Experience setting up and executing benchmarks in an HPC environment and analyzing their results systematically
  • Bachelor's degree in System Administration, Network Administration, Computer Information Systems, or CS
  • RedHat Certified System Administrator (RHCSA) or Microsoft Certified Solutions Associate (MCSA) Certification

Clearance:

Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information; Top Secret clearance 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 Employee Benefits page.

Salary at Booz Allen is determined by various factors, including but not limited to location, the individual’s particular combinatio

Apply for this role

Generate a tailored application kit with a matched cover letter, interview prep, and CV highlights — in under 60 seconds.

Apply Now →Generate Application Kit

Free account required — sign up in 30s

Company

Booz Allen Hamilton

View company profile →