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Senior Linux SysAdmin – TS​/SCI, Cross-Domain Security

Job in Columbia, Howard County, Maryland, 21046, USA
Listing for: Phase2 Technology
Full Time position
Listed on 2026-01-17
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer
Job Description & How to Apply Below
A technology solutions firm is seeking a Senior System Administrator to enhance technology supporting the Department of Defense. The ideal candidate will possess over 3 years of experience with Linux systems, specifically Red Hat or CentOS, and hold a TS/SCI clearance with polygraph. This role involves designing, deploying, and maintaining critical cybersecurity solutions, along with mentoring team members and enhancing infrastructure performance.

A Bachelor's degree in CS or IT is preferred, with a strong commitment to network security and operational excellence.
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Position Requirements
10+ Years work experience
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