Linux Systems Administrator

Oxford Global Resources Government Division
Warner Robins, GA

Overview

Oxford Global Resources is supporting a direct-hire opportunity for a Senior IT System Administrator on a long-term, mission-critical DoD program. This role supports classified systems across sustainment, development, and lab environments and requires a senior-level professional capable of operating independently in a secure, fast-paced setting.

Responsibilities

  • Administer and maintain Red Hat Enterprise Linux (RHEL) systems in classified environments
  • Support system sustainment, product development, and lab operations
  • Provide system administration support for Operational Flight Program (OFP) and Test Program Set (TPS) activities
  • Evaluate current system architectures and support large-scale system planning and upgrades
  • Install, configure, and support LAN/WAN network communications
  • Support containerized applications and cloud-based environments
  • Collaborate with engineering teams to ensure system performance, reliability, and security
  • Operate at a Senior/SME level with minimal oversight

Required Qualifications

  • Active Top Secret/SCI clearance (must be able to maintain)
  • Security+ CE certification
  • Red Hat Certified System Administrator (RHCSA)
  • 6+ years of experience administering RHEL systems
  • Hands-on experience with Puppet Enterprise and Red Hat Satellite
  • Experience with software containerization technologies
  • Exposure to cloud platforms such as AWS and/or Microsoft Azure
  • Strong written and verbal communication skills

Preferred Qualifications

  • 5+ years supporting DoD programs
  • Demonstrated ability to learn and adopt new technologies
  • Expert knowledge of system administration principles, practices, and procedures
Posted 2026-01-21

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