[Job Radar](https://jobradar.live/) / [Jobs](https://jobradar.live/ilanlar) / Systems Administrator - Level 03 - FULLY CLEARED with POLYGRAPH REQUIRED

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On-site
Aurora, CO
Posted · 17.08.2026
Lever (US)

# Systems Administrator - Level 03 - FULLY CLEARED with POLYGRAPH REQUIRED

CTI

Linux, Windows, UNIX, RHEL, Kali, Solaris, Ubuntu, CentOS, Debian, Fedora, Mandriva

Due to federal contract requirements, United States citizenship and an active TS/SCI security clearance and polygraph are required for the position.

This job was verified from Lever (US). Applications are completed on the original source.

[Apply on the original listing ↗](https://jobradar.live/ilan/76041044-a52c-4223-81db-95cb6ba2a906/git)

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