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Mechanical & Physical Systems Jobs in Defense — 450 Open Roles | BuildList

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Jobs/Mechanical & Physical Systems/Defense

Mechanical & Physical Systems Jobs in Defense

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

450 open roles · Updated 8/11/2026

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Defense⚙️ Mechanical & Physical Systems · Mid-Level

Mechatronics Engineer – Tooling & Production Equipment

France

Defense⚙️ Mechanical & Physical Systems · Mid-Level

Aerodynamic Engineer

Morocco

Anduril Industries

Defense⚙️ Mechanical & Physical Systems · Senior

Configuration Design Engineer

Costa Mesa, CA

Anduril Industries

Defense⚙️ Mechanical & Physical Systems · Senior

Senior Configuration Design Engineer

Costa Mesa, CA

Anduril Industries

Defense⚙️ Mechanical & Physical Systems · Director

Chief Engineer, Ground Maneuver

Costa Mesa, CA

CHAOS Industries

Defense⚙️ Mechanical & Physical Systems · Senior

Mechanical Engineer, Structures

El Segundo, CA

Anduril Industries

Defense⚙️ Mechanical & Physical Systems · Mid-Level

Mechanical Design Engineer

Australia

CHAOS Industries

Defense⚙️ Mechanical & Physical Systems · Staff / Principal

Principal Mechanical Engineer

El Segundo, CA

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Mach Industries

Defense⚙️ Mechanical & Physical Systems · Senior

Senior Combustion Engineer

San Luis Obispo, CA

Anduril Industries

Defense⚙️ Mechanical & Physical Systems · Staff / Principal

Mechanical Designer

Lexington, MA

Defense⚙️ Mechanical & Physical Systems · Mid-Level

Mechanical Engineer, Routed Systems

Oxnard, CA

Mach Industries

Defense⚙️ Mechanical & Physical Systems · Senior

Senior Aerospace Engineer - Aerothermal & Hypersonics

Huntington Beach, CA

Anduril Industries

Defense⚙️ Mechanical & Physical Systems · Senior

Senior Electro-Mechanical Engineer, EW

Costa Mesa, CA

Anduril Industries

Defense⚙️ Mechanical & Physical Systems · Senior

Senior Mechanical Engineer, Intelligence Systems

Santa Ana, CA

Anduril Industries

Defense⚙️ Mechanical & Physical Systems · Senior

Senior Thermal Engineer, Mission Electronics

Costa Mesa, CA

Defense⚙️ Mechanical & Physical Systems · Staff / Principal

Staff Engineer, Mechanical (R5482)

Dallas, TX

Anduril Industries

Defense⚙️ Mechanical & Physical Systems · Senior

Senior Thermal Analysis Engineer

Lexington, MA

Anduril Industries

Defense⚙️ Mechanical & Physical Systems · Senior

Senior Thermal Analyst

Lexington, MA

Anduril Industries

Defense⚙️ Mechanical & Physical Systems · Staff / Principal

Staff CAD Platform Engineer (NX / Teamcenter)

Costa Mesa, CA

Anduril Industries

Defense⚙️ Mechanical & Physical Systems · Staff / Principal

Staff Materials Engineer, Design Allowables & Materials Data

Costa Mesa, CA

Anduril Industries

Defense⚙️ Mechanical & Physical Systems · Senior

Senior Mechanical Design Engineer

United Kingdom

Anduril Industries

Defense⚙️ Mechanical & Physical Systems · Senior

Senior Materials Engineer, Composites

Costa Mesa, CA

Anduril Industries

Defense⚙️ Mechanical & Physical Systems · Senior

Senior Actuation and Control Engineer

Costa Mesa, CA

Performance Drone Works

Defense⚙️ Mechanical & Physical Systems · Director

Head of Mechanical Engineering

Denver, CO

Anduril Industries

Defense⚙️ Mechanical & Physical Systems · Staff / Principal

Staff Fuel Systems Engineer, Air Vehicles

Costa Mesa, CA

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Frequently asked questions

How many mechanical & physical systems jobs are in defense?: There are currently 450 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.

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