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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