Hybrid Linux Systems Administrator for HPC and DoD

Leidos LLC; Mississippi; Hybrid; USD 73,000 - 133,000; Full time

Job summary

Leidos LLC in Mississippi seeks a MidLevel Linux Systems Administrator to support a large HPC environment at Stennis Space Center. You will work on RHEL, Ansible automation, and satellite-based software deployment, with a focus on performance and security; this is a hybrid schedule and local presence is required.

Required credentials include DoW 8570 IAT II Security+ or equivalent, RHCSA or Linux+, and DoW/US citizenship.

Qualifications

• U.S. Citizenship is required.
• Active Secret clearance or Interim Secret eligibility before start.
• Bachelor's degree with 4+ years Linux Admin experience.
• DoW 8570 IAT Level II – Security+ CE or equivalent before start.
• RHCSA or Linux+ certification before start.
• Hands-on Red Hat Enterprise Linux administration experience.
• Experience installing, configuring, patching, and troubleshooting Linux systems.
• Familiarity with Red Hat Satellite or similar tools.
• Experience with Ansible and infrastructure automation.
• Knowledge of Linux security, networking, storage, and performance.
• Strong troubleshooting, analytical, and communication skills.
• Local to Stennis Space Center, MS.

Responsibilities

• Administer, configure, maintain, and troubleshoot RHEL systems.
• Install, configure, patch, upgrade, and maintain Linux operating systems.
• Monitor system health, availability, capacity, and performance.
• Support Red Hat Satellite for deployment, patching, and management.
• Use Ansible to automate system administration tasks.
• Troubleshoot OS, applications, hardware, storage, networking, and performance.
• Assist with performance tuning and optimization in production.
• Perform software installation/configuration per security standards.
• Participate in testing and validation of hardware/software changes.
• Ensure compliance with security policies and baselines.
• Develop and maintain technical docs and procedures.
• Collaborate with teams to resolve issues and support mission needs.

Skills

RHEL administration

Ansible automation

Security+ CE

RHCSA certification

Education

Bachelor's degree + 4+ years Linux Admin

Tools

Red Hat Satellite

CompTIA Linux+

Job description

Leidos LLC in Mississippi seeks a MidLevel Linux Systems Administrator to support a large HPC environment at Stennis Space Center. You will work on RHEL, Ansible automation, and satellite-based software deployment, with a focus on performance and security; this is a hybrid schedule and local presence is required.

Required credentials include DoW 8570 IAT II Security+ or equivalent, RHCSA or Linux+, and DoW/US citizenship.