> Markdown version of [/jobs/ext/1906405-senior-linux-systems-administrator](https://www.wearedevelopers.com/jobs/ext/1906405-senior-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). --- # Senior Linux Systems Administrator - **Company:** Leidos, Inc. - **Location:** John C. Stennis Space Center, MS, United States - **Experience:** Expert - **Salary:** $92,300.0 - $166,850.0 - **Contract:** Contract - **Skills:** Bash Shell, Cyber Security, Linux, Python (Programming Language), Linux System Administration, Red Hat Enterprise Linux, Ansible, Software Deployment, Virtualization Technology, Scripting, High Performance Computing, Data Management, Comptia Linux+ - **Published:** August 3, 2026 - **Apply:** https://diversityjobs.com/main/sendform/8/8/28176/1/17805561?backUrl=%2Fcareer%2F17805561%2FSenior-Linux-Systems-Administrator-Mississippi-Stennis-Space-Center ## About the Role * Bachelor's degree with 8+ years of Linux Systems Administration experience. Additional experience may be considered in lieu of a degree. * Current DoW 8570 IAT Level II certification (Security+ CE or equivalent) prior to start. * One of the following Linux certifications prior to start: Red Hat Certified System Administrator (RHCSA), CompTIA Linux+, or LPIC-1 * Active Secret Security Clearance, or the ability to obtain Interim Secret eligibility prior to start (U.S. Citizenship required). * Extensive experience administering Red Hat Enterprise Linux (RHEL) environments. * Experience with Red Hat Satellite administration. * Hands-on experience developing automation using Ansible. * Excellent troubleshooting and problem-solving skills. * Strong written and verbal communication skills with the ability to effectively interact with technical teams, users, and others. Preferred Qualifications: * Experience supporting High Performance Computing (HPC) or large-scale enterprise environments. * Experience supporting Department of War (DoW) or other federal government customers. * Familiarity with virtualization technologies and enterprise storage solutions. * Experience with scripting (Bash, Python, or similar) to automate system administration tasks. ## Description * Provide expert-level administration of RedHat Linux systems, ensuring optimal performance and security. * Perform systems enhancement, configuration, maintenance, installation, and software upgrades. * Lead a team of high-performing Linux administrators, providing guidance, technical expertise, and project leadership. * Foster a collaborative and productive team environment, sharing lessons learned and best practices. * Maintain and manage the Enterprise Satellite server, ensuring it meets the organization's software deployment and updates needs. * Automate routine and complex tasks using Ansible, streamlining operations and improving efficiency. * Monitor and tune systems to achieve optimum performance levels, adhering to established policies, procedures, and service level agreements. * Identify and address performance issues and optimize the production environment for mission-critical systems. * Perform acceptance testing of modules, subsystems, and total systems. * Responsible for software installation, configuration, and ensuring adherence to configuration guidelines. * Ensure compliance with established standards, policies, and configuration guidelines. * Maintain documentation and records to demonstrate adherence to regulatory requirements. ## Related Videos - [Develop on Windows, Deploy on Red Hat Enterprise Linux](https://www.wearedevelopers.com/videos/1600-develop-on-windows-deploy-on-red-hat-enterprise-linux) - [JavaScript? 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