> Markdown version of [/jobs/ext/4028695-senior-linux-systems-administrator-320k-yr-ts-sci-fs-poly](https://www.wearedevelopers.com/jobs/ext/4028695-senior-linux-systems-administrator-320k-yr-ts-sci-fs-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 Linux Systems Administrator [$320k/yr+] TS/SCI-FS Poly - **Company:** SYSTOLIC, INC. - **Location:** Annapolis Junction, MD, United States - **Experience:** Expert - **Salary:** $320,000.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Cyber Security, Linux, Monitoring of Systems, Windows Servers, Red Hat Enterprise Linux, Service Pack, System Availability, Nessus, Splunk, Vulnerability Analysis - **Published:** October 30, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9277150/senior-linux-systems-administrator-320kyr-tssci-fs-poly ## About the Role * Degree: Technical bachelor's degree or equivalent experience * Years of experience: 14+ years * Total Compensation: $320k+ yearly (tentative) ## Description * Administer enterprise Linux and Windows systems with a strong emphasis on IT security compliance and operational readiness. * Monitor and evaluate system security postures utilizing Splunk and vulnerability assessment tools., * Perform full life-cycle administration, maintenance, and support for Linux and Windows server environments. * Configure, manage, and review security compliance data using Splunk and Nessus. * Monitor system performance, conduct routine maintenance, and implement required security patches and updates. * Troubleshoot and resolve complex operating system and infrastructure issues to maintain high availability. * Collaborate with cross-functional technical teams to maintain robust IT security standards.