Join Leidos as a Senior Linux System Administrator

Leidos is seeking a Senior Linux System Administrator to deliver on-site IT support for the ESA V program, serving Department of Justice customers in Fairfax, VA. This role demands expertise in Red Hat Enterprise Linux (RHEL) within high-security environments, supporting mission-critical infrastructure.

Primary Responsibilities

• Conduct advanced systems analysis, design, integration, and implementation of complex RHEL systems.
• Manage full lifecycle of Red Hat administration: installation, configuration, security hardening, tuning, and troubleshooting.
• Leverage business and technical principles to engineer solutions for challenging problems.
• Develop technical documentation, reports, charts, and deliver presentations to stakeholders.
• Collaborate independently and in teams at the enterprise data center.

Basic Qualifications

• Bachelor’s Degree + 12+ years Unix SysAdmin experience (RHEL8/9 focus); high school diploma + equivalent experience considered.
• Active Secret clearance required.
• 3+ years Unix deployment in DISA-secured environments.
• 3+ years Red Hat Satellite usage, updates, and maintenance.
• Experience with Dell Servers, iDRAC, VMWare, AWS, Azure; RHEL8/9, Satellite, PCS Clustering, SELINUX enforcing, PAM for 2FA (RSA/AD), Ansible playbooks.
• Strong system process documentation skills.

Preferred Qualifications

• VMWare, Azure, AWS familiarity.
• RHEL 10, Ansible Automation Platform, fapolicyd, DISA hardening, Docker/Containers, ServiceNow.
• Advanced ksh/bash scripting, user requirements analysis, verbal/written communication, independent troubleshooting, team collaboration, customer interfacing, analytical problem-solving.

Require active Secret clearance. Pay Range: $116,350 - $210,325 USD/year. Leidos outpaces the status quo—join disruptors driving mission success.