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.
1,555 jobs match your filters
1mo
Accounting & Finance Systems Administrator
True Anomaly
Space is a warfighting domain. True Anomaly seeks those with the talent and ambition to build the technology that secures it. OUR MISSION True Anomaly delivers decisive capabilities for space superiority. We build autonomous spacecraft, advanced payloads, mission software, and sp
Denver, CO or Long Beach, CA
onsiteEasy Apply
1mo
M
Senior Systems Administrator [Full Scope Polygraph]
Modern Technology Solutions Inc
Modern Technology Solutions, Inc. (MTSI) is hiring a Senior Systems Administrator in Annapolis Junction, Maryland. Qualified candidates must be U.S. citizens with a TS/SCI clearance and Full Scope Polygraph. Responsibilities: • Provide support for implementation, troubleshooting
MD, US
hybrid
1mo
M
Financial Systems Administrator
Metropolis
Who we are The real world is the next frontier, and at Metropolis, we are creating the artificial intelligence to make it responsive. We are pioneering the Recognition Economy — a future where mundane repetition disappears and being known unlocks access, comfort and belonging eve
Chicago, Illinois, United States
remoteEasy Apply
1mo
T
Cloud Systems Administrator
Too Good To Go
At Too Good To Go, we have an ambitious goal: to inspire and empower everyone to fight food waste together. 40% of all food produced in the world is wasted. And that has a huge impact on the health of our planet, with 10% of greenhouse gas emissions coming from food waste. We’re
København, Hovedstaden, Denmark
onsiteEasy Apply
1mo
T
Enterprise Systems Administrator (NetSuite)
Telementum Global
*** At this time, we are not able to offer visa sponsorship for any of our opportunities. ***What we need We are looking for an Enterprise Systems Administrator to support a successful and rapidly growing business with trusted brands. Overall purpose o...
Lawrenceville, Georgia, United States
remoteFull-time
1mo
C
Senior IT Systems Administrator
Circle
Circle (NYSE: CRCL) is one of the world’s leading internet financial platform companies, building the foundation of a more open, global economy through digital assets, payment applications, and programmable blockchain infrastructure. Circle’s platform includes the world’s largest
Bangalore - remote first in India
remoteFull-time
1mo
Senior IT Systems Administrator
Circle
Circle (NYSE: CRCL) is one of the world’s leading internet financial platform companies, building the foundation of a more open, global economy through digital assets, payment applications, and programmable blockchain infrastructure. Circle’s platform includes the world’s largest
Bangalore, India
hybridFull-time
1mo
HPC Systems Administrator
Biological Sciences Division at the University of 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 at the University of Chicago. It is dedicated to enabling
Hyde Park Campus
onsiteFull-time
1mo
A
Sr Systems Administrator
AnaVation
Be Challenged and Make a Difference In a world of technology, people make the difference. We believe if we invest in great people, then great things will happen. At AnaVation, we provide unmatched value to our customers and employees through innovative solutions and an engagin
Reston, VA
onsiteFull-timeEasy Apply
1mo
S
Lead Systems Administrator
SECU
If you are motivated and believe in the credit union philosophy of "People Helping People," join our team! The Lead Systems Admin drives the design and implementation of robust, secure, and scalable server environments. This role balances deep technical work across platforms wit
Operations - Raleigh - Creedmoor Rd
onsiteFull-time
1mo
Junior Systems Administrator (Co-op)
S&C Electric Company
Are you passionate about IT? Apply now as the Junior Systems Administrator student at S&C Electric Canada and gain valuable experience!
Toronto, ON Canada
hybrid
1mo
Senior Endpoints Systems Administrator
Nabors Industries
The Senior Endpoint Administrator is responsible for managing and modernizing the organization’s endpoint environment across a hybrid infrastructure. This role focuses on delivering secure, scalable, and efficient device management solutions using Microsoft Endpoint Manager (SCCM
Houston, TX, United States
remote
1mo
Senior Systems Administrator (Australia) - TS/SCI with Polygraph
General Dynamics Information Technology
Type of Requisition: Regular 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: Linu
International
remoteFull-time
1mo
Linux Systems Administrator SME - Active TS/SCI /w poly
General Dynamics Information Technology
Type of Requisition: Regular 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: Linu
USA MD Annapolis Junction
onsiteFull-time
1mo
Senior Systems Administrator - TS/SCI with Polygraph
General Dynamics Information Technology
Type of Requisition: Regular 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: Back
International
remoteFull-time
1mo
Senior Systems Administrator (Australia) - TS/SCI with Polygraph
General Dynamics Information Technology
Type of Requisition: Regular 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: Acti
International
remoteFull-time
1mo
Senior Systems Administrator
General Dynamics Information Technology
Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Disaster Recovery (DR), Information
USA AZ Fort Huachuca
onsiteFull-time
1mo
NCIS Systems Administrator | Active Top Secret clearance
General Dynamics Information Technology
Type of Requisition: Pipeline 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: Mobile Device Management (MDM),
USA VA Quantico
onsiteFull-time
1mo
NMMES FEM Systems Administrator | Active Secret clearance
General Dynamics Information Technology
Type of Requisition: Regular Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Secret Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Backup and Recovery (Software), Computer Bac
USA AL Montgomery
onsiteFull-time
1mo
Facilities Technology Systems Administrator
Cushman & Wakefield
Job Title Facilities Technology Systems Administrator Job Description Summary Job Description Role Purpose: The Asset Management Systems Administrator will support the implementation of Statement of Work (SOW) 5.2 under the Asset Management Program (AMP). This role serves as
Bucharest, Romania
hybridFull-time
1mo
R
Principal Systems Administrator Lead
RTX
Date Posted: 2026-05-11 Country: United States of America Location: US-AZ-TUCSON-848 ~ 1151 E Hermans Rd ~ BLDG 848 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is requ
US-AZ-TUCSON-848 ~ 1151 E Hermans Rd ~ BLDG 848
onsiteFull-time
1mo
L
Principal Linux Systems Administrator
Leidos
Leidos has a new and exciting opportunity for a Principal Linux Systems Administrator in our Intelligence Sector, Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical
Aurora - CO
remoteFull-time
1mo
L
Linux Systems Administrator
Leidos
Leidos is seeking a candidate to fill a Linux System Administrator position supporting DISA's GSM-O II contract at Ford Island, Hawaii. The candidate will maintain the smooth operation of multi-user computer systems running Redhat Linux but also includes Windows Server on a glob
Pearl Harbor, HI
onsiteFull-time
1mo
UNIX/Linux Sr. Systems Administrator (Projects)
Unisys
What success looks like in this role: Position Title Senior Systems Engineer – Linux (Project Implementation) Position Summary We are seeking a Senior Systems Engineer with deep expertise in UNIX, and Linux platforms to lead and deliver infrastructure and platform implementa
East Hartford, CT, United States of America
onsiteFull-time
1mo
IT Senior Systems Administrator
HENSEL PHELPS
The Senior Systems Administrator role is to ensure the efficient operation and security compliance of the company’s data centers, Microsoft Azure systems, client- and job-centralized servers, databases, and equipment. This role will also lead and direct IT systems engineer specia
Greeley, CO, United States
hybridFull-time