> Markdown version of [/jobs/ext/4168110-systems-administrator](https://www.wearedevelopers.com/jobs/ext/4168110-systems-administrator). 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). --- # Systems Administrator - **Company:** Arena Technical Resources - **Location:** Fort Belvoir, VA, United States - **Experience:** Expert - **Salary:** $115,000 - $125,000 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Bioinformatics, Data Centers, Linux, Windows Servers, Network Configuration and Change Management, Red Hat Enterprise Linux, Solaris (Operating System), SQL Databases, Informix, Scripting, Sybase - **Published:** October 31, 2026 - **Apply:** https://www.atr.com/job/ATR%2018147/systems_administrator#apply-now-header ## About the Role Eligibility/Clearance: Candidate must possess an active TS/SCI clearance and be willing to obtain a CI Polygraph, Active TS/SCI and eligible for a CI Poly. An adjudicated TS also works, since NGA grants the SCI and runs the poly. - U.S. citizen. - Bachelor's degree and 5+ years of relevant experience, or an equivalent combination of education and experience. - Security+ or DoW 8570 Level II equivalent, within 90 days of hire. - UNIX, Windows and/or storage administration. - Full time on site at Ft. Belvoir, VA, with after-hours on-call support and 0-20% travel to local and similar sites. Must be able to lift up to 40 pounds. ## Description Tier 2 and Tier 3 support of UNIX/Windows workstations and servers, web servers and network attached storage - OS and layered software installs, upgrades and patching, including COTS/GOTS products - Isolating hardware, software, OS and network problems, and working trouble tickets through a tracking system - Securing systems to STIG guidelines with tools such as Retina and HBSS - Data center maintenance, backup and recovery, and maintaining SOPs - Pluses: imagery intelligence experience; scripting on Windows, Linux and Solaris; Windows Server, Red Hat, IRIX, Solaris, Sybase, Informix and SQL; network configuration management; a valid US passport ATR is an Equal Opportunity Employer (EOE) who will provide equal employment opportunity to employees and applicants for employment