[Job Radar](https://jobradar.live/) / [Jobs](https://jobradar.live/ilanlar) / 1773 - System Administrator

Active
On-site
California
Posted · 02.10.2026
Jooble US

# 1773 - System Administrator

Sigma Defense

Job Description Job Description Sigma Defense is seeking a System Administrator to join our team at March Air Reserve Base. This position plays a key role in maintaining secure Department of War information systems by administering Windows and Red Hat Enterprise...

This job was verified from Jooble US. Applications are completed on the original source.

[Apply on the original listing ↗](https://jobradar.live/ilan/29a8be08-54d9-40d8-b61e-5acaae287556/git)

## Stop searching one by one for roles like this.

Upload your resume or enter your target roles to see your first 3 matches for free.

[Find jobs for me →](https://jobradar.live/uye/kayit)
Your resume is never shared with employers; it is processed only for matching.

Something wrong with this job?

## Similar jobs

[Jobs in California](https://jobradar.live/jobs/california)
· [IT Support Jobs in California](https://jobradar.live/jobs/california/it-support) · [Jobs by location](https://jobradar.live/jobs) · [Jobs by company](https://jobradar.live/company)

- [Remote Help Desk Engineer](https://jobradar.live/ilan/869a74c1-0000-46d9-9a54-a49eb9bf8ad7) New York Cloud Apps · Oxnard, CA

- [SYSTEMS ADMINISTRATOR](https://jobradar.live/ilan/9b50607a-a97b-4c3d-84ca-ee8e714000a5) University of California, Los Angeles · Los Angeles, CA

- [Remote Systems Administrator](https://jobradar.live/ilan/022ecf60-3aea-42e9-8d6a-040f6a33480a) Dynamic Solutions Technology, Llc · California

- [Remote Systems Administrator](https://jobradar.live/ilan/c7bfcb1c-3fd6-400f-9745-b1c2cb00fdd2) Climate First Bank · California

- [Remote System Administrator](https://jobradar.live/ilan/46096db2-5c6c-4e04-91c2-951b8a8d02dd) Ryan Consulting Group Inc · California

- [Network Engineer](https://jobradar.live/ilan/40e0823c-fabc-457a-a3f7-933792946603) Hadrian Automation · Los Angeles, CA, United States

- [Network Engineer](https://jobradar.live/ilan/fe08b667-6117-4b34-977b-48da8fd53dd1) SpaceXAI · Palo Alto, CA

- [Desktop Support Technician](https://jobradar.live/ilan/c064d134-d47a-4e38-94a1-fca8f7c1bb14) Leidos · El Cajon, CA