Jobs/Mechanical & Physical Systems/Defense

Mechanical & Physical Systems Jobs in Defense

Mechanical & Physical Systems roles at defense companies building the future.

337 open roles · Updated Sep 20, 2026

337 jobs

Quantum Systems Prototyping Design Engineer

Ukraine

Job type: Mechanical & Physical Systems
Seniority: Mid-Level

Anduril Industries Senior Mechanical Engineer

Ireland

Job type: Mechanical & Physical Systems
Seniority: Senior

Helsing Robotics Senior Mechanical Engineer

Spain

Job type: Mechanical & Physical Systems
Seniority: Senior

Shield AI Staff Engineer, Fuel Systems (R5900)

Dallas, TX · Washington, D.C.

$146k–$219k / year

Job type: Mechanical & Physical Systems
Seniority: Staff / Principal

Saronic Mechanical Engineer Intern (Summer 2027)

Austin, TX

Job type: Mechanical & Physical Systems
Seniority: Intern

Castelion Senior Warhead Design Engineer

Torrance, CA

Job type: Mechanical & Physical Systems
Seniority: Senior

Neros Mission Integration Specialist

Torrance, CA

$68k–$95k / year

Job type: Mechanical & Physical Systems
Seniority: Mid-Level

Firestorm Chief Engineer

San Diego, CA

$210k–$240k / year

Job type: Mechanical & Physical Systems
Seniority: Director

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Singularity Senior Mechanical Design Engineer

Gardena, CA

Job type: Mechanical & Physical Systems
Seniority: Senior

Harmattan AI Mechatronic Engineer - Automation Test Equipment

France

Job type: Mechanical & Physical Systems
Seniority: Mid-Level

Allen Control Systems Mechanical Assembly Technician - Weekend Shift

Austin, TX

Job type: Mechanical & Physical Systems
Seniority: Entry-Level

CHAOS Industries Senior Mechanical Engineer

El Segundo, CA

$140k–$176k / year

Job type: Mechanical & Physical Systems
Seniority: Senior

Overland AI Mission Success Engineer

Ellensburg, WA

$120k–$150k / year

Job type: Mechanical & Physical Systems
Seniority: Mid-Level

Swarm Aero Structures Design Engineer, Aiframe

Oxnard, CA

$155k–$240k / year

Job type: Mechanical & Physical Systems
Seniority: Senior

Scout AI Senior Mechanical Engineer

Sunnyvale, CA

$170k–$210k / year

Job type: Mechanical & Physical Systems
Seniority: Senior

Skydio Senior Manager, Hardware Design Engineering

San Mateo, CA

$230k–$325k / year

Job type: Mechanical & Physical Systems
Seniority: Manager

Auterion Forward Deployed Engineer, Mechanical

Arlington, VA

$120k–$150k / year

Job type: Mechanical & Physical Systems
Seniority: Mid-Level

STARK Powertrain Simulation Engineer (all genders)

Germany

Job type: Mechanical & Physical Systems
Seniority: Mid-Level

Mach Industries May 2027 New Graduate Engineer, Mechanical

Huntington Beach, CA

$105k–$110k / year

Job type: Mechanical & Physical Systems
Seniority: Entry-Level

Kela Mechanical Engineer- LA

United States

Job type: Mechanical & Physical Systems
Seniority: Senior

UFORCE Head of Maritime Engineering

United Kingdom

Job type: Mechanical & Physical Systems
Seniority: Director

Hidden Level Senior Mechanical Engineer

Remote · Syracuse, NY

$113k–$140k / year

Job type: Mechanical & Physical Systems
Seniority: Senior

Tiberius Aerospace Structural Engineer

Orange County, CA

$140k–$180k / year

Job type: Mechanical & Physical Systems
Seniority: Mid-Level

Havoc AI Mechanical Engineer – Drone Development, Design & Test

San Diego, CA

$150k–$180k / year

Job type: Mechanical & Physical Systems
Seniority: Senior

Performance Drone Works Junior Mechanical Engineer

Huntsville, AL

Job type: Mechanical & Physical Systems
Seniority: Entry-Level

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Frequently asked questions

How many mechanical & physical systems jobs are in defense?: There are currently 337 open mechanical & physical systems roles at defense companies on BuildList, refreshed hourly from company career pages.
What kinds of mechanical & physical systems 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 mechanical & physical systems 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 mechanical & physical systems 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.