Senior Windows Systems Administrator - DoD Enterprise; Tier 3
Listed on 2026-10-10
-
IT/Tech
Systems Administrator, Windows Server
The One 23 Group is seeking an experienced Windows Systems Administrator to provide Tier 2/3 support for enterprise Windows environments in a classified DoD context. The role is on-site in Arlington, VA and focuses on OS lifecycle maintenance, change management, and securing system configurations.
Ideal candidates have a Top-Secret clearance with SCI eligibility, IAT-II certification, and 10+ years of systems administration or engineering experience within DoD or government-related IT.
This posting is for the Senior Windows Systems Administrator
- DoD Enterprise (Tier
3) role at The One 23 Group, based in Arlington, VA, United States.
Step into the Senior Windows Systems Administrator
- DoD Enterprise (Tier
3) role at The One 23 Group in Arlington, VA, United States and grow with us.
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