Senior Linux Systems Administrator We are seeking a highly skilled Senior Linux Systems Administrator to join our National Security Sector's Cyber & Analytics Business Area. Our team is at the forefront of Security Engineering, Computer Network Operations, Mission Software, Analytical Methods and Modeling, Signals Intelligence, and Cryptographic Key Management. Responsibilities Include: 1. System Implementation, Troubleshooting, and Maintenance 2. Tier 1 and Tier 2 Problem Resolution 3. Daily IT System Configuration and Operation 4. System Optimization and Capacity Analysis 5. User Support and Guidance 6. Operating System Configuration and Enhancement 7. Problem Monitoring and Resolution Across Multiple Devices Basic Qualifications: 1. Ten Years of Experience as a Systems Administrator 2. Bachelor's Degree in a Technical Discipline 3. Linux Administration Experience 4. Cleared TS/SCI with Polygraph Required