1h ago

Systems Administrator - SE Linux / MLS

Springfield, Virginia, United States
full-timeseniorDefense & Government Contracting

Tech Stack

Description

As a Systems Administrator, you will own SELinux and MLS policy implementation, automate administration at scale, and strengthen secure platform operations across high-performance computing and mission-critical environments. You'll lead hardening efforts, troubleshoot complex kernel-level issues, and partner with teams to improve security and operational consistency.

Requirements

  • Bachelor's degree in Computer Science, AIS, or related field
  • 10+ years of relevant professional experience
  • 5+ years experience developing or supporting system software in heterogeneous multi-platform environments
  • Deep expertise in SELinux and MLS administration
  • Strong scripting skills in Bourne/Bash and Expect

Responsibilities

  • Administer and harden Linux systems for enterprise MLS environments
  • Lead SELinux and MLS configuration including policy development, MAC labeling, and least-privilege access controls
  • Troubleshoot complex Linux and kernel-level issues using source code analysis and diagnostic tools
  • Manage patching, system lifecycle, Satellite repository administration, and custom kernel builds
  • Automate system configuration and maintenance with Ansible and Satellite Server
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