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
1mo
R
Senior System Administrator (4th Shift)
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
R
Senior System Administrator (3rd shift)
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
4mo
Senior System Administrator/Infrastructure Engineer
Unlimit
About Unlimit Unlimit is a global fintech ecosystem built to eliminate financial borders holding businesses back. The company provides the extensive infrastructure needed to scale globally, integrating payment processing, multi-currency business accounts, BaaS and crypto gatewa
Belgrade
remoteFull-timeEasy Apply
8mo
I
Senior System Administrator / 1
Inetum
We are seeking a highly skilled and experienced Senior Administrator to join our team, specializing in SAP ASE database maintenance, monitoring, and migration. The candidate should have a strong background in administering large SAP ASE databases, performance monitoring, and prob
Warsaw, Masovian Voivodeship, Poland
hybridFull-timeAssociateEasy Apply
13mo
Senior System Administrator, Tier-2 Level Support Services
ASRC Federal
ASRC Federal is currently seeking a Senior Systems Administrator – Tier-2 Level to support upcoming work located in San Antonio, TX. Position: Senior System Administrator, Tier-3 Level Support Services Location: San Antonio, TX (On-Site) Clearance: U.S. Citizen with ability
San Antonio, TX, US
hybrid
2d
Senior System Administrator - onsite
Poly-America, LP
Poly-America, L.P., a leading plastics manufacturer, is currently seeking a System Administrator to join our team. Poly-America produces several lines of polyethylene products including high quality trash bags, and agricultural films. We are expanding our IT team to keep up with
Grand Prairie, TX, US
remote
2w
Senior System Administrator AWS Devops, SRE Application Support
NSW Department of Communities and Justice
Senior System Administrator AWS Devops, SRE Application Support Location - Parramatta Employment type – Temporary full-time role up to 24 months Salary - $129,464.00 pa - $142,665.00 pa, plus superannuation and leave loading Your role This role sits within Information and Digital
Parramatta, NSW, AU, 2150
onsite
2w
Senior System Administrator AWS Devops, SRE Application Support
Legal Aid NSW
Senior System Administrator AWS Devops, SRE Application Support Location - Parramatta Employment type – Temporary full-time role up to 24 months Salary - $129,464.00 pa - $142,665.00 pa, plus superannuation and leave loading Your role This role sits within Information and Digital
Parramatta, NSW, AU, 2150
onsite
2w
S
Senior System Administrator (C)
simisinc
Thanks for visiting our Job Board. Please review our open positions and apply to the positions that match your qualifications. ONSITE Who We Are : Founded in 2007, SimIS Inc. is an innovative information technology solution Veteran Owned Small Business (VOSB) that models future e
Dahlgren, VA
hybridEasy Apply
2w
T
Senior System Administrator/System Engineer (Linux)
teKnoluxion
Location: Columbia, Maryland and one day per week at Customer location in Fairfax County, VA Clearance Required: Active TS/SCI and poly Certification: Security+ At Bcore, our strength...
Columbia | US-VA-Fairfax County, MD, US
onsiteFull-time
2w
B
Senior System Administrator/System Engineer (Linux)
bcore
Location: Columbia, Maryland and one day per week at Customer location in Fairfax County, VA Clearance Required: Active TS/SCI and poly Certification: Security+ At Bcore, our strength...
Columbia | US-VA-Fairfax County, MD, US
onsiteFull-time
2w
Senior System Administrator & Support Engineer (m/f/d)
eigenblue
%BUTTON_APPLY_TO_POSITION% eigenblue - We build systems that build physical systems: Our AI systems design and deliver custom-built, multidisciplinary systems to solve real-world R&D challenges. As today’s R&D demand can no longer be met with off-the-shelf tools, our approach cro
Munich, DE
onsiteEasy Apply
1mo
D
PITCO Project Coordinator | Senior System Administrator (Job 1263)
DLH
About Us DLH delivers improved health and national security readiness solutions for federal programs through science research and development, systems engineering and integration, and digital transformation. Our experts in public health, performance evaluation, and health operati
Norfolk, Virginia
onsiteEasy Apply
1mo
F
AIX Senior System Administrator
Fis
AIX Senior System Administrator (24/7 Rotational Shifts) Are you curious, motivated, and forward-thinking? At FIS you’ll have the opportunity to work on some of the most challenging and relevant issues in financial services and technology. Our talented people empower us, and we
IND BNGL FL2-3 TWR 3
onsiteFull-time
1mo
AIX Senior System Administrator
FIS
Position Type : Full time Type Of Hire : Experienced (relevant combo of work and education) Education Desired : Bachelor of Information Technology AIX Senior System Administrator (24/7 Rotational Shifts) Are you curious, motivated, and forward-thinking? At FIS you’ll have the opp
2nd, 3rd & 6th Floor, Tower 3, Warp Building, SJR I Park, EPIP-Zone1, Whitefield Road, Bengaluru- 560066, Karnātaka, India
onsite
1mo
C
Linux Senior System Administrator - Desktop Services
CACI
Job Title: Linux Senior System Administrator - Desktop Services Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local * * *
Annapolis Junction, MD, US
hybridFull-time
2w
L
Senior System Administrator
Leidos
This Department of War enterprise data and analytics program delivers mission-critical capabilities that enable leaders across the Department to make faster, better-informed decisions using trusted data at scale. Leidos Digital Modernization sector is seeking an experienced Senio
Alexandria, VA
remoteFull-time
2w
B
/PostingTitleSenior System Administrator
BNH
Job Title: Senior System Administrator Location: Arnold AFB, TN Job Family Code: P – IT/Cyber Security / Network Systems
Arnold AFB, TN, US
onsite