> Markdown version of [/jobs/ext/2567428-linux-system-administrator](https://www.wearedevelopers.com/jobs/ext/2567428-linux-system-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). --- # Linux System Administrator - **Company:** Leidos, Inc. - **Location:** Alexandria, VA, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Adobe InDesign, Apache HTTP Server, Apache Tomcat, Application Layers, Dynamic Host Configuration Protocol, Linux, Domain Name System (DNS), Networking Hardware, Linux Servers, MariaDB, Network Routers, Authentication Authorization Accounting (Server Program), HybridCloud, Information Technology, Atlassian Tools, Hardware Infrastructure - **Published:** August 10, 2026 - **Apply:** https://us.experteer.com/career/view-jobs/linux-system-administrator-alexandria-va-usa-58917295 ## About the Role aaap_ * Configure and monitor security tools for DoD networks. * Participate in design discussions to improve capabilities, performance, and security. Tasks * US Citizen with active Secret clearance * Bachelor's degree with 4+ years of experience or Master's degree with 2+ years of experience (experience can substitute for degree) * 4+ years' System Administration experience on DoD IT systems * DoD 8570 IAT level I compliant Key requirements * ## Description Experteer Overview In this role you support Linux infrastructure within DoD enclaves and contribute to hybrid cloud initiatives. You will work with engineers, developers, and sysadmins to expand capabilities while ensuring secure, reliable operations. The position emphasizes hands-on administration, troubleshooting from OS to application layers, and implementing security measures for DoD networks. You'll help design improvements to performance, security, and scalability in collaboration with a cross-functional team. This on-site role in Alexandria, VA offers a meaningful impact by accelerating capability delivery to warfighters. Compensation / Benefits * Install and maintain Linux servers. * Provide technical leadership for migrating on-premises infrastructure to hybrid cloud. * Troubleshoot issues from OS to application level. * Manage networking hardware (switches, routers, firewalls). * Configure and maintain core enclave services: DHCP, DNS, e-mail, Apache, Tomcat, Atlassian, MariaDB. * Configure and monitor security tools for DoD networks. * Participate in design discussions to improve capabilities, performance, and security. Tasks * US Citizen with active Secret clearance * Bachelor's degree with 4+ years of experience or Master's degree with 2+ years of experience (experience can substitute for degree) * 4+ years' System Administration experience on DoD IT systems * DoD 8570 IAT level I compliant Key requirements * ## Related Videos - [MySQL Protocol Features You Should Be Aware Of](https://www.wearedevelopers.com/videos/100267-mysql-protocol-features-you-should-be-aware-of) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [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 exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Discover the open source trio you didn’t expect: .NET and PostgreSQL on Linux](https://www.wearedevelopers.com/videos/2042-discover-the-open-source-trio-you-didn-t-expect-net-and-postgresql-on-linux) ## Related Articles - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking)