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

STARK Associate IT Support (all genders)

Sweden

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

Kela Technical Deployment Engineer

Israel

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

Defense Unicorns Platform Engineer

Remote

$123k–$167k / year

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

Sphinx Defense Senior DevOps Engineer

Colorado Springs, CO

$160k–$195k / year

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

Second Front Systems Senior Technical Implementation Engineer (United Kingdom)

Remote · United Kingdom

$127k–$147k / year

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

Cape Security Engineer, Product Security

Remote

$200k–$255k / year

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

Dominion Dynamics Senior Site Reliability Engineer - Edge

Canada

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

Vannevar Labs DevOps Engineer

Remote

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

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Verkada Technical Support Engineering Intern - Summer 2027

San Mateo, CA

$62k–$69k / year

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

Twenty Senior / Staff DevSecOps Engineer

Arlington, VA · New York, NY

$159k–$263k / year

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

Quantum Systems Senior IT Administrator

Romania

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

Anduril Industries Staff Threat & Attack Research Engineer

Boston, MA

$191k–$253k / year

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

Shield AI Staff Platform Engineer (R5668)

San Diego, CA · Washington, D.C. · Boston, MA · San Mateo, CA · Dallas, TX

$142k–$213k / year

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

Saronic Senior Network Engineer

Austin, TX

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

Onebrief Principal Infrastructure Engineer

Remote · United States

$240k–$290k / year

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

Overland AI Senior Software Engineer - ML Platform

Seattle, WA

$120k–$300k / year

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

Skydio Staff Software Engineer, Infrastructure

San Mateo, CA

$230k–$275k / year

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

STARK DevOps Engineer (All Genders)

Germany · Sweden

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

Defense Unicorns Platform Engineer

San Antonio, TX

$123k–$167k / year

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

Second Front Systems Security Authorization Specialist

Remote

$125k–$165k / year

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

Cape Software Engineer, Infrastructure

Remote · Arlington, VA · New York, NY

$180k–$230k / year

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

Dominion Dynamics Senior Security Engineer

Canada

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

Verkada Senior Engineering Manager, Business Systems

San Mateo, CA

$200k–$350k / year

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

Twenty Offensive Cyber Research Engineer

Arlington, VA

$159k–$263k / year

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

Quantum Systems (Senior) Software Engineer - Developer Enablement (m/f/d)

Germany

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

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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.