> Markdown version of [/jobs/ext/4217146-senior-systems-administrator-348k-yr-ts-sci-fs-poly](https://www.wearedevelopers.com/jobs/ext/4217146-senior-systems-administrator-348k-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 Systems Administrator [$348k/yr+] TS/SCI-FS Poly - **Company:** SYSTOLIC, INC. - **Location:** Annapolis Junction, MD, United States - **Experience:** Expert - **Salary:** $348,000.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Cyber Security, Linux, Red Hat Enterprise Linux, Service Pack, Security Information and Event Management, Nessus, Splunk - **Published:** October 31, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9277147/senior-systems-administrator-348kyr-tssci-fs-poly ## About the Role * Degree: Technical bachelor's degree or equivalent experience * Years of experience: 20+ years * Total Compensation: $348k+ yearly (tentative) ## Description * Administer enterprise Linux and Windows systems with an emphasis on security compliance. * Monitor system health and security events using Splunk., * Maintain, configure, and troubleshoot Linux and Windows operating systems. * Ensure IT security compliance across environments utilizing tools such as Splunk and Nessus. * Implement system updates, security patches, and operating system hardening procedures. * Provide operational support to maintain system performance and security during core business hours.