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# 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:** October 30, 2026
- **Apply:** https://diversityjobs.com/career/18788339/Senior-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.