"Sr. System Administrator (Linux)" Jobs in United States

Themis Insight solves difficult business, IT, and analytic problems by addressing the whole problem – not just the symptoms – using interdisciplinary approaches that are both practical and innovative. We provide fresh al

Principal / Sr. Principal System Administrator

Northrop Grumman ·

RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: No Description At Northrop Grumman, our employees have incredible opportunities to work on re

Principal / Sr. Principal System Administrator – Space/Satellite Systems

Northrop Grumman ·

RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time Description At Northrop Grumman, our employees have incredible oppor

Sr. HPC System Administrator

University of Chicago · Chicago

Department Provost Research Computing Center About the Department The University of Chicago Research Computing Center (RCC), a unit in the Office of Research, provides high-end research computing resources to researchers

Sr. Principal System Administrator (ONSITE)

RTX · Tewksbury

Date Posted: 2026-10-05 Country: United States of America Location: US-MA-TEWKSBURY-TB3 ~ 50 Apple Hill Dr ~ CONCORD BLDG, Tewksbury Tb3 300 Concord Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration St

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