Senior Linux Systems Administrator

Overview

We are seeking a Linux Systems Administrator to support the DoD’s largest supercomputing centers. This role ensures reliable access for DoD scientists and supports the warfighter. All work will be performed on the customer site at Stennis Space Center. An Interim Secret clearance is required to begin work on the program.

• Provide expert-level administration of Red Hat 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.

• Must hold an active Secret clearance or be able to obtain Interim Secret eligibility prior to start. (US Citizenship required)
• Must hold a Bachelor’s Degree with a minimum of 8 years related experience.
• Must hold current DOD 8570 IAT II certification – Security + and one of the following Linux certifications:
  Linux + or Red Hat Certified System Administrator (RHCSA) prior to start.

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.