"Sr. Systems Administrator (Windows)" Jobs in United States

Amentum is seeking a Sr. Systems Administrator (Windows) for a position on Kauai, HI. Highly experienced Senior Microsoft System Administrator to oversee and manage enterprise-level Microsoft infrastructure in support of

Sr. Windows Systems Administrator- Will sponsor a clearance

RTX · Woburn

Date Posted: 2026-10-06 Country: United States of America Location: US-MA-WOBURN-WB2 ~ 225 Presidential Way ~ GODDARD BLDG Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active

Sr. Systems Administrator (677278)

Johns Hopkins Health System ·

JOB SUMMARY: The Sr. Systems Administrator supports and maintains enterprise Linux/UNIX systems across on-premises and Microsoft Azure environments, with a strong focus on RHEL and Ubuntu. This role is responsible for s

Sr. Systems Administrator (Active Directory)

CACI · Hampton

The Opportunity: Join CACI as a Sr. Systems Administrator (Active Directory) supporting the modernization and operations of the Distributed Ground System (DGS) at Langley AFB in Hampton, VA. In this role, you’ll work in