Tier 3 System Administrator – TS/SCI with Polygraph

General Dynamics Information Technology
📍 Aurora, Colorado, United States 💼 Full time 🕒 Posted June 07, 2026

Job Description

General Dynamics Information Technology (GDIT) is seeking a Linux/Microsoft Systems Administrator to join our team in support of a Federal Intelligence Agency contract. In addition to receiving a competitive salary and generous health and personal benefits, the Systems Administrator will enhance their skill set among a talented and technically accomplished group of colleagues.

Primary responsibilities include providing Tier II support of maintaining multiple large Enterprise environment. The supporting infrastructure includes multiple Microsoft based networks spanning multiple security enclaves within a hybrid (Windows & RHEL) environment.

Job Responsibilities & Duties:

System Administrative Advisory duties to include management of Windows and Linux workstations on EVDI and physical

  • Troubleshooting application functionality, crash and performance
  • Investigate user performance and work with external teams to improve user experience.
  • Assi...
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    Job Details

    • Location Aurora, Colorado
    • Job Type Full time
    • Category Computer Occupations
    • Posted Date June 07, 2026
    • Application Deadline July 17, 2026