[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Leidos jobs](https://jobs.opennash.com/companies/leidos/) · [Search jobs](/search/) Leidos · Alexandria, VA # Linux System Administrator Alexandria, VA $87,100.00 - $157,450.00 Design Listed on Leidos’s official careers site. Posted September 24, 2026. Check that it is still open and apply there. [Apply on Leidos’s careers site →](https://leidos.wd5.myworkdayjobs.com/External/job/Alexandria-VA/Linux-System-Administrator_R-00192983-1) [OpenNash Jobs](https://jobs.opennash.com/) / [Leidos](https://jobs.opennash.com/companies/leidos/) / Linux System Administrator ## Job description Linux System Administrator Alexandria, VA Secret clearance or higher The Test and Training Enabling Architecture (TENA) program at Leidos is looking to add a Linux System Administrator. Our mission is to develop tools for the United States Department of Defense test and training communities, to increase the speed of the development cycle, to get capabilities to the warfighter more rapidly. The Linux System Administrator will work within a team engineers, developers and system administrators, adding new capabilities to our enclaves, as well as ensuring the existing systems are secure and performing as intended. This position is required to work on-site in our Alexandria, VA office. ### Primary Responsibilities Provide support for installing and maintaining Linux servers. Provide technical leadership for migrating on premise infrastructure to hybrid cloud solution. Provide support for troubleshooting from OS to application-level issues. Manage networking equipment including switches, routers and firewalls. Manage configuration and maintenance of core enclave infrastructure services including DCHP, DNS, e-mail, Apache Web Servers, Tomcat application servers, Atlassian applications, MariaDB database servers. Configure and monitor security tools required for DoD networks. Participate and contribute to design discussions related to improving the capabilities, performance and security posture of new and existing services. ### Basic Qualifications US Citizen with at least an active Secret clearance. Bachelor’s degree with 4+ years of experience or a Master’s degree with 2+ years of experience. Additional experience may be considered in lieu of a degree. 4+ years of experience providing System Administration to DoD IT systems. DoD 8570 IAT level I compliant. ### Preferred Qualifications 6+ years of experience providing System Administration to DoD IT systems. DoD 8570 IAT level III compliant. DABAOPP1 If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares. ### Original Posting September 23, 2026 For U.S. ### Positions While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. ### Pay Range Pay Range $87,100.00 - $157,450.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. ## At a glance - Posted by the employer: Sep 24, 2026 - First seen by OpenNash: Oct 11, 2026 - Last checked: Oct 18, 2026 - Listed for: 24 days - Location: Alexandria, VA - Pay: $87,100.00 - $157,450.00[Apply on Leidos’s careers site →](https://leidos.wd5.myworkdayjobs.com/External/job/Alexandria-VA/Linux-System-Administrator_R-00192983-1) ## More jobs at Leidos ### [Automation Engineer (UiPath)](https://jobs.opennash.com/companies/leidos/jobs/28aa9d5e1638c366cf2a/) Alexandria, VA ### [Cloud Engineering Manager](https://jobs.opennash.com/companies/leidos/jobs/0e0e1f4474e338c87004/) Alexandria, VA ### [Cyber Security Manager](https://jobs.opennash.com/companies/leidos/jobs/60bd368e255855fdaf68/) Alexandria, VA ### [Data Scientist](https://jobs.opennash.com/companies/leidos/jobs/0b785c26c39605c626bb/) Alexandria, VA ## Similar jobs at other companies ### [Linux System Administrator](https://jobs.opennash.com/companies/bae-systems/jobs/f7b9840d699b50fbfb35/) BAE Systems · Wallops Island, Virginia, United States ### [Staff Linux System Administrator, TS/SCI / Onsite: CO](https://jobs.opennash.com/companies/lockheed-martin/jobs/c81d1450096f9ade57dd/) Lockheed Martin · Littleton, CO ### [Sr Linux System Administrator, Onsite in KoP, PA, Secret Clearance Required](https://jobs.opennash.com/companies/lockheed-martin/jobs/5cace2d02aafbee5ee2d/) Lockheed Martin · King of Prussia, PA ### [Linux Systems Administrator](https://jobs.opennash.com/companies/general-dynamics/jobs/433c0319f0f0ae94acd6/) General Dynamics · Annapolis Junction, MD, US ### [Systems Administrator (Linux / RHEL)](https://jobs.opennash.com/companies/general-dynamics/jobs/8cd904a6a98fe0a6b206/) General Dynamics · MacDill AFB, FL, US OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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