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# System Administrator (Must currently have CI Polygraph)

- **Company:** TEKSYSTEMS INC.
- **Location:** Reston, VA, United States
- **Experience:** Experienced
- **Contract:** Contract
- **Skills:** Microsoft Windows, Cyber Security, Linux, Wireshark, Software Vulnerability Management, In-Plane Switching (IPS), Splunk
- **Published:** June 11, 2026
- **Apply:** https://www.clearancejobs.com/jobs/8970502/system-administrator-must-currently-have-ci-polygraph

## About the Role

* System Administration: Linux & Windows
 * Cybersecurity: ACAS, STIGs, Vulnerability Management, Splunk, Wireshark, IPS
 * Enterprise Experience, We are looking for a System Administrator with a TS/SCI w/ CI Polygraph to join our team. The ideal candidate will have experience in Linux and Windows operating systems in addition to Cybersecurity experience.

 * This position requires an active DoD Clearance (Secret, Top Secret, Top Secret/SCI) or the ability to be obtain an (Interim Secret, Interim Top Secret)
 * Because an active or interim DoD clearance is required, U.S. Citizenship is required



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