External Title Linux - Red Hat; RHEL) Systems Administrator
Listed on 2026-10-26
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IT/Tech
Systems Administrator, Cybersecurity
Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace.
The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can’t be done by solving the most daunting challenges facing our customers. Visit to learn how we’re keeping people around the world safe and secure.
Peraton is seeking a
Infrastructure Systems Administrator
in our Chantilly, VA office in support of our Department of Defense (DoD) community customer as part ofa highly talented, highlymotivatedand high-performing team. As part of the Infrastructure as a Service(IaaS)
Tier 3team you will support an exciting program which involves design, development, test, and deployment of abroadand complex system in an Agile construct to contribute to mission success for a variety of stakeholders. Join us and be part of the next generation of innovators as we blaze a trail forward for our profession and company.
Whatyou'lldo:
- Support our cloud-based classified environment, ensuring the uptime of our multi-tenant, multi-level infrastructure
- Perform daily system monitoring and monthlypatchingas part of the Operations and Maintenance(O&M) team
- Manage operating system configurations, system documentation, performance tuning, software installation sand updates, system hardening, and storage allocation
- Helpmonitorand maintain mission-critical,highly available, high-performance networked systems in a team-oriented environment
- Work closely withotherengineering teams to improve our platforms andeliminatecomplexity from architecture and processes
- Monitor and address tenant discrepancy reports pushed to Tier 3
- Monitor and manage system resources tomaintainefficiency
- Provide Tier 3developmentsupport for problem identification, diagnosis, and resolution
Required qualifications:
- This position requires the candidatetopossessa minimum of Top-Secret clearance with the ability to obtain TS/SCI. The candidate mustmaintainthe clearance.
- Bachelor’s degree in a field of study applicable to the position with 2+ years of relevant experience. Additional four (4) years of relevant experience may be considered in lieu of degree.
- A minimum of 2 years of experience in a previous System Administration role:
- Ability to express yourself confidently, concisely, and accurately through written and oral communications
- Excellent interpersonal skills and the ability to collaborate effectively with management, the customer,and tenants across DoD
- Detail/ process oriented, can multi-task, and the ability to work with minimal supervision
- Meet DoD 8140 foundational qualifications for the work role of System Administrator at an Intermediate or Advanced proficiency level
- Experience in system installation, patching and testing, and system configuration of networked services, file systems,basicscriptingand authentication experience
- Operating System administration skills for Red Hat Enterprise Linux
8.xand laterto include building systems up from bare metal, performing software package installation,operating systemand application troubleshooting, and implementing security hardening - Apply patches, updates, and hotfixes using Red Hat Satellite, YUM, or DNF
- Experience ensuring consistent software versions across environments and…
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