> Markdown version of [/jobs/ext/1770781-principal-linux-systems-administrator](https://www.wearedevelopers.com/jobs/ext/1770781-principal-linux-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). --- # Principal Linux Systems Administrator - **Company:** Leidos, Inc. - **Location:** Annapolis Junction, MD, United States - **Salary:** $116,350.0 - $210,325.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Unix, Program Optimization, System Configuration, Linux, Identity and Access Management, Networking Hardware, Virtualization Technology, Information Technology - **Published:** July 7, 2026 - **Apply:** https://dejobs.org/x/x/A8E0C1B48B95456E8D5DD4C6FFB661A5/job/ ## About the Role * Experience : Fifteen (15) or more years of experience as a System Administrator (SA) supporting programs and contracts of similar scope, type, and complexity. * Education : Bachelor's degree in a technical discipline from an accredited college or university. Five (5) years of additional SA experience may be substituted for a bachelor's degree bringing the required experience to 20 years. * Technical Skills : Experience with LINUX, Windows and Virtualization * Security Clearance : Must have an active Top Secret/SCI with Polygraph ## Description Join our team as a Linux Systems Administrator , where you'll provide crucial support for the implementation, troubleshooting, and maintenance of Information Technology (IT) systems. You'll manage IT system infrastructure and processes, ensuring the smooth operation of client/server/storage/network devices, mobile devices, and more. Your role will involve configuring and managing UNIX and Windows operating systems, troubleshooting, maintaining network integrity, and enhancing system performance., * Maintain STE/STN Compliance : Ensure systems meet security and compliance standards. * Account and Access Management: Manage accounts, network rights, and access to systems and equipment, implementing security procedures and tools. * System Configuration and Management: Configure and manage UNIX and Windows operating systems, install/load software, troubleshoot, maintain network integrity, and implement system enhancements. * IT Support and Troubleshooting: Provide day-to-day IT support, monitoring, and problem resolution for client/server/storage/network devices and mobile devices. * User Assistance: Assist users in accessing and using IT systems, providing support for escalated tickets and detailed analysis. * System Optimization and Capacity Planning : Optimize system operations and resource utilization, perform system capacity analysis and planning. * Dispatch System and Hardware Support : Support dispatch systems and hardware issues, configure and install system hardware/software, and maintain server and domain security requirements. ## Related Videos - [Hacking MSSQL on Cloud. All of them. How I became sysadmin on Azure, AWS, GCP and Alibaba.](https://www.wearedevelopers.com/videos/100339-hacking-mssql-on-cloud-all-of-them-how-i-became-sysadmin-on-azure-aws-gcp-and-alibaba) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Fake or News: Translating Dog Barks, Notepad Gets an Upgrade and Michelin-Star Robots - Paul Tregoing](https://www.wearedevelopers.com/videos/1802-fake-or-news-translating-dog-barks-notepad-gets-an-upgrade-and-michelin-star-robots-paul-tregoing) - [WeAreDevelopers LIVE - Node and Package Security](https://www.wearedevelopers.com/videos/2138-wearedevelopers-live-node-and-package-security) - [WeAreDevelopers LIVE - Smoover - Who's Best at DevRel?](https://www.wearedevelopers.com/videos/1901-wearedevelopers-live-smoover-who-s-best-at-devrel) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) ## Related Articles - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)