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.
68 jobs match your filters
3d
Senior System Administrator
Hotwire Communications Ltd
The Senior Systems Administrator is responsible for the design, implementation, documentation, and troubleshooting of IT Infrastructure.
Fort Lauderdale, FL, United States
remoteFull-time
1w
Senior System Administrator
Sentara Health
City/State Charlottesville, VA Work Shift First (Days) Overview: Overview The Senior System Administrator is accountable for the design, deployment, maintenance, and enhancement of enterprise systems and networks. This includes managing servers, storage, cloud environments,
Charlottesville, VA
remoteFull-time
1w
R
Senior System Administrator
RTX
Date Posted: 2026-06-05

 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 Status Requirements: Active and transferable U.S. g
US-MA-TEWKSBURY-TB3 ~ 50 Apple Hill Dr ~ CONCORD BLDG, Tewksbury Tb3 300 Concord
onsiteFull-time
2w
Senior System Administrator
Freedom Technology Solutions Group, LLC
What You'll Do We are seeking a Senior System Administrator for one of our PRIME CONTRACTS that extends through 2027 and offers exciting opportunities to support essential services and mission critical activities across the enterprise. Our mission supports the Government Corporat
Laurel, MD
hybridEasy Apply
2w
Senior System Administrator
Anduril Industries
Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century’s most innovative companies to the defense industry, Anduri
Ashville, Ohio, United States
onsiteEasy Apply
2w
Senior System Administrator
Aristocrat Interactive
Currently in Aristocrat Interactive, we are looking for a Senior System Administrator . More on the responsibilities and requirements of the role you can find down below: MAIN DUTIES AND RESPONSIBILITIES Handle the configuration and operation of computer operating systems De
Bulgaria - Sofia
onsiteFull-time
2w
Senior System Administrator
Guidehouse
Job Family: IT Architecture/Cloud (India) Travel Required: Up to 10% Clearance Required: None What You Will Do: Provide administration, implementation and maintenance of security best practices following recommendation from our SOC team for all technology systems used in the
IN - Chennai
onsiteFull-time
3w
B
Senior System Administrator
Boeing
Senior System Administrator Company: The Boeing Company Boeing Defense, Space & Security (BDS), Space Mission Systems Organization seeks an Senior System Administrator to support Proprietary Programs in Seal Beach, CA. The Senior System Administrator will handle system adminis
USA - Seal Beach, CA
onsiteFull-time
3w
Senior System Administrator
Millennium Space Systems
Senior System Administrator Company: The Boeing Company Boeing Defense, Space & Security (BDS), Space Mission Systems Organization seeks an Senior System Administrator to support Proprietary Programs in Seal Beach, CA. The Senior System Administrator will handle system adminis
USA - Seal Beach, CA
onsiteFull-time
4w
R
Senior System Administrator
RTX
Date Posted: 2026-05-20 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
Senior System Administrator
Applied Research Solutions
Applied Research Solutions is seeking a dynamic and adaptable System Administrator with a strong background in the Azure Cloud environment to join a fast-paced, cutting-edge technology program driving innovation in multidomain, multi-platform, multi-scale technologies and autonom
Beavercreek, OH, United States
hybridFull-time
1mo
L
Senior System Administrator
LawZero
In charge of technology, the IT department oversees CyberSecurity, End User support, and the management of the compute environment used to achieve our mission. We are looking for a Senior System Administrator, part of an agile team reporting to the IT Director, focused on the adm
Montreal
remoteEasy Apply
1mo
G
Senior System Administrator
Gypsy Collective
We are looking for a proactive and reliable System Administrator who will help maintain and improve our internal infrastructure, support employees across the company, and ensure smooth day-to-day IT operations. You will play a key role in managing acce...
Poland
remoteFull-time
1mo
R
Senior System Administrator
RTX
Date Posted: 2026-05-14 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
Senior System Administrator
General Dynamics Information Technology
Type of Requisition: Regular Clearance Level Must Currently Possess: 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: Computer Servers, System Administrat
DEU Wiesbaden - Wiesbaden Army Airfield (APC180)
onsiteFull-time
1mo
M
Senior System Administrator
Mitsogo Inc
About Mitsogo | Hexnode: Mitsogo is a global organization that highly values the contributions of each employee. Our ability to attract top talent is a testament to our commitment to fostering a sense of belonging for everyone. We recognize the rapid evolution of technology and s
Chennai, India
hybridEasy Apply
1mo
A
Senior System Administrator
Avav
Worker Type Regular Job Description Summary The System Administrator III is a senior technical contributor responsible for designing, implementing, securing, and maintaining the organization’s core IT infrastructure. This role provides Tier 3 support for complex incidents,
308 Sentinel Drive, Annapolis Junction, MD
onsiteFull-time
2mo
F
Senior System Administrator
Formenergy
Are you ready to build America’s energy future? Form Energy is an American manufacturing and energy technology company. We’re revolutionizing energy storage with cost-effective, multi-day technology designed to keep the electric grid secure and reliable, even during extended peri
Somerville, MA$112K - $140K
remoteFull-timeEasy Apply
3mo
M
Senior System Administrator
Modern Technology Solutions Inc
Modern Technology Solutions, Inc. (MTSI) is seeking a highly-skilled Senior Systems Administrator to join our team. This individual will be responsible for developing, maintaining, and securing enterprise systems, applications, and infrastructure. The role will lead efforts in in
Alexandria, VA, US
remote
3mo
R
Senior System Administrator
Rytbank
About the Role: Ryt Bank is seeking an experienced and forward-thinking Senior System Administrator to lead, manage, and evolve our IT infrastructure and end-user computing environment. This senior role is responsible for ensuring the stability, security, and performance of our s
Kuala Lumpur
remoteFull-time
3mo
Senior System Administrator
Cognita Schools
CHIREC INTERNATIONAL SCHOOL CHIREC International is a leading K-12 school located in Hyderabad, India offering International Baccalaureate Diploma Programme (IBDP), Cambridge International Examinations (CIE) and Central Board of Secondary Education (CBSE). CHIREC was founded in 1
Hyderabad, Telangana, IN
remote
4mo
Senior System Administrator
ClearEdge
Join ClearEdge and be part of a mission-focused team solving some of the DoD’s most complex technical challenges. Every day, ClearEdge supports government and industry customers by delivering innovative solutions that enable critical operations and mission success. ClearEdge off
Linthicum, MD
onsiteFull-timeEasy Apply
7mo
P
Senior System Administrator
PM2CM
Position SummaryThe Senior Systems Administrator supports the Capital Improvement Program by serving as the primary administrator and advocate for the Project Management Information System (PMIS) platform (Trimble Unity Construction (TUC) / eBuilder). ...
MONTEREY PARK, California, United States
onsiteFull-time
8mo
Senior System Administrator
Field
Om selskapet Field Geospatial AS er et norsk teknologi- og geomatikkselskap med ekspertkompetanse på innhenting og analyse av geografiske data. Vi jobber med datafangst fra fly, mobile mapping og landmåling, og leverer tjenester til offentlig og privat sektor i Norden og globalt.
Oslo, Norway
hybrid
10mo
Senior System Administrator
CEVA SANTE ANIMALE
The System team is part of the Operation Infrastructure Department. The mission of the System team is to enable Ceva to provide the infrastructure to sustain and accelerate its business, anywhere in the world. We bring our expertise and excellence to provide the hosting capabilit
Libourne, Gironde, FR
onsite