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System Administrator Jobs in California.

All active System Administrator roles based in California.

View System Administrator salary insights in California →
Total jobs
91
positions indexed
New today
2
last 24 hours
Companies
45
actively hiring
Worldwide remote
0
from anywhere

How many System Administrator jobs in California are there right now?

There are 91 open System Administrator jobs in California on JobsRadar right now, from 45 companies hiring directly. 2 were added in the last 24 hours; the board was last refreshed on July 27, 2026 at 08:21 UTC.

search: system administrator in: California Clear all
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Roku
Senior Software Engineer, Platform Infrastructure
Roku
⚡ Apply early San Jose, California Onsite $280,000–$380,000
● New 👁 Seen ✓ Applied 8h ago
Anduril Industries
Senior Compliance Engineer
Anduril Industries
⚡ Apply early Costa Mesa, California, United... Onsite $146,000–$194,000
● New 👁 Seen ✓ Applied 22h ago
Anduril Industries
Senior Systems Administrator
Anduril Industries
⚡ Apply early Santa Ana, California, United... Onsite $146,000–$194,000
● New 👁 Seen ✓ Applied 2d ago
xAI
Senior IT Systems Engineer
xAI
⚡ Apply early Palo Alto, California, United... Onsite $148,000–$222,000
● New 👁 Seen ✓ Applied 2d ago
C3 AI
Business Applications Manager
C3 AI
⚡ Apply early Redwood City, California, Unit... Onsite $130,000–$160,000
● New 👁 Seen ✓ Applied 2d ago
Anduril Industries
Product Operations Engineer, Edge Compute Systems
Anduril Industries
⚡ Apply early Costa Mesa, California, United... Onsite $113,000–$149,000
● New 👁 Seen ✓ Applied 2d ago
Anduril Industries
Manager, Subcontracts
Anduril Industries
⚡ Apply early Costa Mesa, California, United... Onsite $146,000–$194,000
● New 👁 Seen ✓ Applied 2d ago
Anduril Industries
HPC Systems Engineer, Modeling & Simulation
Anduril Industries
⚡ Apply early Costa Mesa, California, United... Onsite $132,000–$198,000
● New 👁 Seen ✓ Applied 2d ago
Anduril Industries
Principal Workday Engineer, CorporateOS
Anduril Industries
⚡ Apply early Costa Mesa, California, United... Onsite $220,000–$292,000
● New 👁 Seen ✓ Applied 2d ago
Anduril Industries
Engineering Solutions Systems Administrator (TeamCenter)
Anduril Industries
⚡ Apply early Costa Mesa, California, United... Onsite $146,000–$194,000
● New 👁 Seen ✓ Applied 2d ago
Anduril Industries
Product Technical Support Associate, Edge Compute Systems
Anduril Industries
⚡ Apply early Costa Mesa, California, United... Onsite $113,000–$149,000
● New 👁 Seen ✓ Applied 2d ago
Anduril Industries
Senior Systems Analyst, Cost & Receipt Accounting
Anduril Industries
⚡ Apply early Costa Mesa, California, United... Onsite $146,000–$194,000
● New 👁 Seen ✓ Applied 2d ago
Anduril Industries
IT Technician, Classified Programs
Anduril Industries
⚡ Apply early Costa Mesa, California, United... Onsite $86,000–$114,000
● New 👁 Seen ✓ Applied 2d ago
Anduril Industries
Subcontract Administrator
Anduril Industries
⚡ Apply early Costa Mesa, California, United... Onsite $129,000–$171,000
● New 👁 Seen ✓ Applied 2d ago
Anduril Industries
Product Operations Technical Support Engineer, Edge Compute Systems
Anduril Industries
⚡ Apply early Costa Mesa, California, United... Onsite $113,000–$149,000
● New 👁 Seen ✓ Applied 2d ago
Anduril Industries
Senior Data & Systems Analyst, EHS
Anduril Industries
⚡ Apply early Costa Mesa, California, United... Onsite $112,000–$149,000
● New 👁 Seen ✓ Applied 2d ago
Anduril Industries
Principal Solutions Engineer, CorporateOS
Anduril Industries
⚡ Apply early Costa Mesa, California, United... Onsite $220,000–$292,000
● New 👁 Seen ✓ Applied 2d ago
Anduril Industries
Infrastructure Deployment Administrator
Anduril Industries
⚡ Apply early Costa Mesa, California, United... Onsite $129,000–$171,000
● New 👁 Seen ✓ Applied 2d ago
Cribl
Business Systems Analyst, Enterprise Applications
Cribl
⚡ Apply early Remote - United States · location restricted $79,000–$124,000
● New 👁 Seen ✓ Applied 2d ago
Shieldai
Senior Systems Engineer (R5443)
Shieldai
⚡ Apply early San Diego, California Onsite
● New 👁 Seen ✓ Applied 3d ago
Shieldai
Associate Systems Administrator (R5436)
Shieldai
⚡ Apply early San Francisco, California Onsite
● New 👁 Seen ✓ Applied 3d ago
Zscaler
Staff Site Reliability Engineer
Zscaler
⚡ Apply early San Jose, California, USA Hybrid $122,500–$175,000
● New 👁 Seen ✓ Applied 3d ago
Fluxergy
Senior IT Support Specialist
Fluxergy
⚡ Apply early Irvine, California Onsite $75,000–$85,000
● New 👁 Seen ✓ Applied 4d ago
Varsity Technologies
Client Engineer
Varsity Technologies
⚡ Apply early Los Angeles, California, Unite... Hybrid
● New 👁 Seen ✓ Applied 4d ago
Saalex
Senior Network and Computer Systems Administrator
Saalex
⚡ Apply early Camarillo, California, United... Onsite $130,000–$140,000
● New 👁 Seen ✓ Applied 4d ago

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Frequently asked questions

How many System Administrator jobs in California are open right now?
91 System Administrator jobs in California are open across 45 companies, as of July 27, 2026.
Which companies are hiring System Administrator jobs in California?
Roku, Anduril Industries, xAI, C3 AI and Cribl are among the 45 companies currently hiring System Administrator jobs in California.
How current are these listings?
Every listing comes straight from the employer’s own careers system and is re-checked three times a day. This page was last updated on July 27, 2026 at 08:21 UTC.

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