> Markdown version of [/jobs/ext/3709329-senior-systems-administrator-top-secret-sci-w-poly](https://www.wearedevelopers.com/jobs/ext/3709329-senior-systems-administrator-top-secret-sci-w-poly). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Senior Systems Administrator Top Secret/SCI w/Poly

- **Company:** Peraton Inc
- **Location:** Fort Meade, MD, United States
- **Experience:** Expert
- **Salary:** $146,000.0 - $234,000.0
- **Contract:** Permanent contract
- **Skills:** Ubuntu (Operating System), Cyber Security, Data Security, Linux, Linux System Administration, Service-Oriented Architecture, Systems Integration, Software Security, Hardware Infrastructure, Vulnerability Analysis
- **Published:** October 13, 2026
- **Apply:** https://www.techcareers.com/job.asp?id=3441061102&tx=IT8982THT&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54

## About the Role

* Bachelor's degree in a technical discipline from an accredited college or university is required.
 * Minimum of 15 years' experience as a System Administrator on programs or contracts of similar scope, type, and complexity is required. 5 years of additional SA experience may be substituted for a BS degree, totaling 20 years of SA experience.
 * Demonstrated experience in Linux environments is required.
 * Ability to accommodate shiftwork as needed, including weekend support, is required.
 * Must possess a working knowledge and understanding of system administration interdependencies as part of the Service Oriented Architecture (SOA).
 * Experience with Ubuntu and RHEL8.
 * DOD 8570 compliance with minimum of IAT Level 2 is required.
 * Must be able to analyze and resolve complex problems associated with server hardware, applications and software integration.
 * Current TS/SCI clearance with polygraph is required.

## Description

Peraton is seeking a senior Linux Systems Administrator to join our team in the Annapolis Junction, MD area.

Our dynamic team delivers information security solutions that facilitate secure data flows and the detection/prevention of unauthorized behaviors, performs system security vulnerability assessments and solution development, and provides enterprise-level network, server, desktop, and application security services. Responsibilities may include supporting the design of systems, mission architecture and associated hardware, as well as analyzing and resolving complex problems associated with server hardware, applications and software integration.