Jobs/Infrastructure, IT, & Security/Defense

Infrastructure, IT, & Security Jobs in Defense

Infrastructure, IT, & Security roles at defense companies building the future.

283 open roles · Updated Sep 20, 2026

283 jobs

Quantum Systems Embedded Linux & Release Engineer (m/f/d)

Germany

Job type: Infrastructure, IT, & Security
Seniority: Mid-Level

Anduril Industries Senior Software Engineer, Embedded Product Security

Irvine, CA

$220k–$292k / year

Job type: Infrastructure, IT, & Security
Seniority: Senior

Helsing IT Support Specialist

Washington, D.C.

Job type: Infrastructure, IT, & Security
Seniority: Entry-Level

Shield AI Staff Systems Administrator (5996)

India

Job type: Infrastructure, IT, & Security
Seniority: Staff / Principal

Saronic Enterprise Technology Intern (Summer 2027)

Austin, TX

Job type: Infrastructure, IT, & Security
Seniority: Intern

Castelion Senior Cybersecurity Architect

Torrance, CA

Job type: Infrastructure, IT, & Security
Seniority: Senior

Neros Autonomy Platform & Runtime Lead

Torrance, CA

$164k–$229k / year

Job type: Infrastructure, IT, & Security
Seniority: Manager

Firestorm Senior Systems Engineer, IT Operations and Infrastructure

San Diego, CA

$116k–$138k / year

Job type: Infrastructure, IT, & Security
Seniority: Senior

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Singularity Edge Operating System Engineer

Gardena, CA

Job type: Infrastructure, IT, & Security
Seniority: Senior

Harmattan AI ML Ops Engineer

France · Switzerland

Job type: Infrastructure, IT, & Security
Seniority: Mid-Level

Allen Control Systems Platform Engineer

Austin, TX

Job type: Infrastructure, IT, & Security
Seniority: Mid-Level

CHAOS Industries Communications Systems & Spectrum Compliance Lead

El Segundo, CA

$150k–$190k / year

Job type: Infrastructure, IT, & Security
Seniority: Senior

Onebrief Site Reliability Engineering Manager

United States · Colorado Springs, CO · Arlington, VA

$205k–$255k / year

Job type: Infrastructure, IT, & Security
Seniority: Manager

Code Metal Head of Security

San Francisco, CA

Job type: Infrastructure, IT, & Security
Seniority: Director

Forterra Staff IT Infrastructure Engineer

Clarksburg, MD

$150k–$175k / year

Job type: Infrastructure, IT, & Security
Seniority: Staff / Principal

Overland AI Field Infrastructure Engineer

Seattle, WA

$116k–$150k / year

Job type: Infrastructure, IT, & Security
Seniority: Mid-Level

Scout AI Senior IT Systems Engineer

Sunnyvale, CA

$175k–$225k / year

Job type: Infrastructure, IT, & Security
Seniority: Senior

Skydio Senior Software Engineer, Developer Productivity

San Mateo, CA

$200k–$240k / year

Job type: Infrastructure, IT, & Security
Seniority: Senior

TurbineOne Senior/Staff Software Engineer, DevOps

Remote

$240k–$280k / year

Job type: Infrastructure, IT, & Security
Seniority: Staff / Principal

STARK Tactical Data Link Expert (all genders)

Germany

Job type: Infrastructure, IT, & Security
Seniority: Senior

Kela Solution Engineer

Remote · Israel

Job type: Infrastructure, IT, & Security
Seniority: Mid-Level

Defense Unicorns Senior IT Systems & Security Engineer (CedD226)

Remote

$149k–$201k / year

Job type: Infrastructure, IT, & Security
Seniority: Senior

Sphinx Defense Senior Network Engineer

Remote · Colorado Springs, CO

$144k–$176k / year

Job type: Infrastructure, IT, & Security
Seniority: Senior

Unusual Machines Network/Systems Administrator

Orlando, FL

$90k–$105k / year

Job type: Infrastructure, IT, & Security
Seniority: Senior

UFORCE IT Operations Engineer

Remote · Europe

Job type: Infrastructure, IT, & Security
Seniority: Mid-Level

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Frequently asked questions

How many infrastructure, it, & security jobs are in defense?: There are currently 283 open infrastructure, it, & security roles at defense companies on BuildList, refreshed hourly from company career pages.
What kinds of infrastructure, it, & security roles do defense companies offer?: The openings span companies at different stages and experience levels. Use the remaining filters to narrow the live list by location, seniority, and company stage.
Can I find remote infrastructure, it, & security jobs in defense?: Yes. Use the location filter to isolate remote openings within this sector, then check each listing for country or regional restrictions.
How do I apply for infrastructure, it, & security jobs in defense?: Every listing links straight to the company's own application page — BuildList doesn't sit between you and the employer, so there's no account or middleman.