Senior System Administrator jobs
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Radiant Industries
Senior System Administrator
El Segundo · CA
US$ 133,500 – 190,050 per year
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Inversion
Senior System Administrator
Playa Vista · CA
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Electrosoft
Senior System Administrator
United States
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Rocket Lab Corporation
Senior System Administrator I
Chantilly · VA
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Nerdwallet
Senior IT System Administrator
NerdWallet US
US$ 95,000 – 179,000 per year
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Vultr
Senior Linux System Administrator
United States
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QuEra Computing, Inc.
Senior IT System Administrator
Boston · MA
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GRVTY
Senior DevOps / System Administrator
Sterling · VA
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Vast
Senior IT System Administrator
Long Beach · CA
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Adyen
Senior System Administrator (Storage Engineer)
Chicago · IL
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Allen Integrated Solutions
Microsoft System Administrator - Senior - #881
Fort Belvoir · VA
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PGTEK
Senior HPC System Administrator - TS/SCI clearance
Aberdeen Proving Ground · MD
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SciTec
Senior / Principal Windows System Administrator (Clearance Required)
Princeton · NJ
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PGTEK
Senior Linux Cluster System Administrator - Top Secret clearance
Stennis Space Center · MS
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Astro Mechanica
Senior Systems Administrator
San Francisco · CA
US$ 140,000 – 170,000 per year
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Delinea
Senior Systems Administrator
Ciudad de México · Ciudad de México
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Anduril Industries
Senior Systems Administrator
Costa Mesa · CA
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Swarmaero
Senior Systems Administrator
Oxnard · CA
US$ 70,000 – 120,000 per year
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Biofire
Senior Systems Administrator I
Broomfield · CO
US$ 110,000 – 130,000 per year
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Cerebras
Senior Systems Administrator, Business Systems
Sunnyvale · CA
End of the jobs for this search.
Senior System Administrator jobs by the numbers
As of 11/7/2026, Joonow lists 37 jobs for Senior System Administrator, from career sites and recruiting systems. 43% of them are on-site.
Jobs updated on 11/7/2026
Work model
Companies hiring the most
- Electrosoft2 jobs
- PGTEK2 jobs
- Vast2 jobs
- Valsoft Corporation1 job
- Adyen1 job
Jobs come from career sites and recruiting systems and are checked at the source; the numbers change during the day.