> Markdown version of [/jobs/ext/4217168-mid-level-linux-administrator-263k-yr-ts-sci-fs-poly](https://www.wearedevelopers.com/jobs/ext/4217168-mid-level-linux-administrator-263k-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). --- # Mid-Level Linux Administrator [$263k/yr+] TS/SCI-FS Poly - **Company:** SYSTOLIC, INC. - **Location:** Annapolis Junction, MD, United States - **Experience:** Experienced - **Salary:** $263,000 - **Contract:** Permanent contract - **Skills:** Amazon Web Services, Linux, GeoServer, Lightweight Directory Access Protocols (LDAP), Linux System Administration, Software Engineering, Systems Architecture, Systems Integration, Cloud Platform System, Okta, Apache Nifi, Hardware Infrastructure - **Published:** October 22, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9250941/mid-level-linux-administrator-263kyr-tssci-fs-poly ## About the Role * Degree: Technical bachelor's degree or equivalent experience * Years of experience: 10+ years * Total Compensation: $263k+ yearly ## Description * Provide systems administration to support server hardware, applications, and software integration * Perform system hardening, patching, and routine maintenance across Linux and Windows environments * Collaborate with development and testing teams to ensure technical integrity and mission success * Participate in a rotating after-hours on-call support schedule, * Analyze and resolve complex technical problems associated with server hardware, applications, and software integration * Perform system hardening, patching, and related activities to ensure secure and reliable operating systems * Develop and maintain comprehensive technical documentation, system architectures, and system designs * Gather and evaluate data regarding user requirements to identify, predict, and interpret system and network needs * Collaborate with developers and testers to support software engineering, system integration, and verification activities * Deliver strong Linux systems administration and engineering support with working knowledge of Windows platforms * Support cloud environments such as Amazon Web Services (AWS) and tools including Keycloak, LDAP, GeoServer, and NiFi * Participate in a weekly rotating after-hours on-call team