Browse Jobs
Browse fresh roles from company career pages, then filter by keyword, location, salary, skills, remote scope, and more. Each listing links back to the employer-controlled apply path when available.
1,534 jobs match your filters
1w
M
Senior Support Systems Administrator
MaintainX
MaintainX is the world's leading AI-powered maintenance and asset management platform, serving 13,000+ customers including Duracell, Shell, Cintas, and Brenntag. We raised $150M in Series D funding led by Bessemer Venture Partners and Bain Capital Ventures, bringing our total fun
Toronto
hybridFull-timeEasy Apply
1w
M
Senior Support Systems Administrator
MaintainX
MaintainX is the world's leading AI-powered maintenance and asset management platform, serving 13,000+ customers including Duracell, Shell, Cintas, and Brenntag. We raised $150M in Series D funding led by Bessemer Venture Partners and Bain Capital Ventures, bringing our total fun
Toronto
hybridFull-timeEasy Apply
1w
M
Senior Support Systems Administrator
MaintainX
MaintainX is the world's leading AI-powered maintenance and asset management platform, serving 13,000+ customers including Duracell, Shell, Cintas, and Brenntag. We raised $150M in Series D funding led by Bessemer Venture Partners and Bain Capital Ventures, bringing our total fun
Toronto
hybridFull-timeEasy Apply
1w
M
Senior Support Systems Administrator
MaintainX
MaintainX is the world's leading AI-powered maintenance and asset management platform, serving 13,000+ customers including Duracell, Shell, Cintas, and Brenntag. We raised $150M in Series D funding led by Bessemer Venture Partners and Bain Capital Ventures, bringing our total fun
Toronto
hybridFull-timeEasy Apply
1w
N
Principal Windows Systems Administrator - Polygraph
Northrop Grumman
RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Polygraph TRAVEL: Yes, 10% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people'
Dulles, VA, US
hybrid
1w
N
Principal Windows Systems Administrator - Polygraph
Northrop Grumman
RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Polygraph TRAVEL: Yes, 10% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people'
Dulles, VA, US
hybrid
1w
Tier 2 / Systems Administrator - ONSITE - Active Top Secret required
General Dynamics Information Technology
Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: IT System Administration, System
USA DC Washington
onsiteFull-time
1w
N
Principal Linux Systems Administrator - Secret
Northrop Grumman
RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's l
Chandler, AZ, US
remote
1w
H
HPC AI Systems Administrator Lead
Hpe
HPC AI Systems Administrator Lead This role has been designed as ‘’Onsite’ with an expectation that you will primarily work from an HPE office. Who We Are: Hewlett Packard Enterprise is the global edge-to-cloud company advancing the way people live and work. We help compani
San Jose, California, United States of America
hybridFull-time
1w
Linux Systems Administrator
Booz Allen Hamilton
Linux Systems Administrator The Opportunity: Your technical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting the U.S. Federal Government? We’re looking for a cross domain specialist to
Washington, DC
remoteFull-time
1w
Active Directory Systems Administrator - TS/SCI w/Poly
General Dynamics Information Technology
Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Act
USA MD Annapolis Junction
onsiteFull-time
1w
PKI Systems Administrator - TS/SCI with Polygraph
General Dynamics Information Technology
Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Cyber and IT Risk Management Job Qualifications: Skills: Multi-F
USA MD Annapolis Junction - 2711 Technology Drive, Annapolis Junction, MD (MDC246)
onsiteFull-time
1w
C
Linux Systems Administrator
CACI
Job Title: Linux Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Continental US * * * The Opportunity: We are seeking a clea
Hampton, VA, US
onsite
1w
C
Sr. Virtualization Systems Administrator
CACI
Job Title: Sr. Virtualization Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Continental US * * * The Opportunity: CACI is
Hampton, VA, US
onsite
1w
R
Principal Linux Systems Administrator (onsite)
RTX
Date Posted: 2026-06-10

 Country: United States of America Location: US-MA-ANDOVER-AN1 ~ 350 Lowell St ~ AN1 ESSEX BLDG Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clea
US-MA-ANDOVER-AN1 ~ 350 Lowell St ~ AN1 ESSEX BLDG
onsiteFull-time
1w
IT Systems Administrator, Mid
Booz Allen Hamilton
IT Systems Administrator, Mid The Opportunity: Your combination of people skills and system administrator knowledge makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting the U.S. Navy? We’re looking fo
San Diego, CA
remoteFull-time
1w
L
Sr. Appian Systems Administrator
Leidos
Join us in transforming how technology serves those who serve. At Leidos, we're not just delivering solutions – we're pioneering the future of defense and intelligence technology. Our diverse teams of innovators unite around a singular purpose: empowering our customers to su
Alexandria, VA
remoteFull-time
1w
911 Senior IT Systems Administrator
City and County of Denver
About Our Job Who We Are With competitive pay, great benefits, and endless opportunities, working for the City and County of Denver means seeing yourself working with purpose — for you, and those who benefit from your passion, skills and expertise. Join our diverse, inclusive a
Greater Denver Area
onsiteFull-time
1w
N
Principal Systems Administrator/Sr. Principal Systems Administrator
Northrop Grumman
RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: Yes, 25% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people
Colorado Springs, CO, US
hybrid
1w
L
#121412 - Zuora Systems Administrator / Consultant
Lifted, an Upwork Company™
We are seeking a Zuora Systems Administrator / Consultant to support a live Zuora Cloud subscription billing environment. This role will focus on hands-on Zuora administration, configuration support, billing and revenue operations, change control, reporting, user access, and cros
Texas City, TX, United States
hybridContractNot ApplicableEasy Apply
1w
AI Systems Administrator
Draper
Overview: Draper is an independent, nonprofit research and development company headquartered in Cambridge, MA. The 2,000+ employees of Draper tackle important national challenges with a promise of delivering successful and usable solutions. From military defense and space explor
Cambridge, MA
remoteFull-time
1w
Timesheet and Systems Administrator
MDD Forensic Accountants
Timesheet and Systems Administrator Department: Accounting & Finance Employment Type: Permanent - Full Time Location: Pune Description Timesheet and Systems Administrator is responsible for managing employee timesheets, ensuring accurate tracking of work hours, and su
Pune
hybridFull-time
1w
N
Principal Systems Administrator/Sr. Principal Systems Administrator
Northrop Grumman
RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: Yes, 25% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people
Colorado Springs, CO, US
hybrid
1w
C
Sr. Virtualization Systems Administrator
CACI
Job Title: Sr. Virtualization Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Continental US * * * The Opportunity:
Hampton, VA, US
onsiteFull-time
1w
C
Linux Systems Administrator
CACI
Job Title: Linux Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Continental US * * * The Opportunity: We are seeki
Hampton, VA, US
onsiteFull-time