Senior Systems Administrator - Multi‑Site IT & Security
Listed on 2026-10-06
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IT/Tech
Systems Administrator, Cybersecurity
Open Systems Technologies Corporation is seeking a Mid/Senior Systems Administrator to support a large, complex network across distributed sites. The role emphasizes daily system administration, O&M support, and maintenance of off-site locations within a fast-paced, air-gapped environment.
Ideal candidates hold a FS poly (last poly within 6 years) and MD Customer clearance, with experience in Windows Server 2019, Active Directory, and security-focused operations.
This posting is for the Senior Systems Administrator
- Multi‑Site IT & Security role at Gilder Search Group, based in Annapolis, MD, United States.
Join Gilder Search Group and contribute to our ongoing work.
Take a moment to read everything above and see whether this role is right for you.
We are looking to fill the Senior Systems Administrator
- Multi‑Site IT & Security position at Gilder Search Group in Annapolis, MD, United States.
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