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

Dominion Dynamics Powerplant Engineer

Canada

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

Furientis Development Engineer, Solid Rocket Motors

Los Angeles, CA

Job type: Mechanical & Physical Systems
Seniority: Senior

Quantum Systems Development Engineer Production (m/f/d) - Focus Hardware

Germany

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

Anduril Industries Thermal Engineer, Thermal Protection Systems (TPS)

Mountain View, CA

$140k–$186k / year

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

Shield AI Air Vehicle Lead, Chief Engineer

San Diego, CA · Dallas, TX

$212k–$318k / year

Job type: Mechanical & Physical Systems
Seniority: Director

Saronic Mission Operations Chief Engineer, MUSV

Austin, TX

Job type: Mechanical & Physical Systems
Seniority: Senior

Castelion Senior Test Engineer

Torrance, CA

Job type: Mechanical & Physical Systems
Seniority: Senior

Neros Senior Mechanical Engineer

Torrance, CA

$152k–$213k / year

Job type: Mechanical & Physical Systems
Seniority: Senior

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Singularity Senior Mechanical Design Engineer

Gardena, CA

Job type: Mechanical & Physical Systems
Seniority: Senior

Harmattan AI Senior Team Lead, Propulsion & Vehicle Systems

Morocco

Job type: Mechanical & Physical Systems
Seniority: Manager

Allen Control Systems Mechanical Engineer, Senior

Austin, TX

Job type: Mechanical & Physical Systems
Seniority: Senior

CHAOS Industries Mechanical Engineer

El Segundo, CA

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

STARK Load & Stress Engineer (all genders)

Germany

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

Mach Industries Senior Conceptual Design Engineer, Advanced Concepts

Huntington Beach, CA

Job type: Mechanical & Physical Systems
Seniority: Senior

Tiberius Aerospace CFD Engineer

Tucson, AZ

$100k–$150k / year

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

Dominion Dynamics Aircraft Configuration & Layout Engineer

Canada

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

Furientis Energetic Materials Engineer, Solid Propellant

Los Angeles, CA

Job type: Mechanical & Physical Systems
Seniority: Senior

Quantum Systems Senior Prototyping Engineer (f/m/d) – Thermal Systems & Cooling Integration

Germany

Job type: Mechanical & Physical Systems
Seniority: Senior

Anduril Industries Senior Thermal Engineer, Expeditionary AI / HPC Data Centers

Mountain View, CA

$160k–$211k / year

Job type: Mechanical & Physical Systems
Seniority: Senior

Shield AI Engineering Manager, Air Vehicle Mechanical Systems (R5391)

San Diego, CA · Dallas, TX

$153k–$229k / year

Job type: Mechanical & Physical Systems
Seniority: Manager

Saronic Senior Mission Operations Sustainment Engineer, MUSV

Austin, TX

Job type: Mechanical & Physical Systems
Seniority: Senior

Castelion Structural Analysis Engineer

Torrance, CA

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

Singularity Mechanical Design Engineer (Structures) Level 2

Gardena, CA

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

Harmattan AI Mechatronics Engineering Intern

France

Job type: Mechanical & Physical Systems
Seniority: Intern

CHAOS Industries Mechanical Engineer, Structures

El Segundo, CA

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