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Mechanical & Physical Systems Jobs in Defense — 476 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.

476 open roles · Updated 8/31/2026

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Senior Aviation Maintenance Engineer

Anduril IndustriesDefense

⚙️ Mechanical & Physical SystemsSenior

Victorville, CA

Senior Aviation Maintenance Engineer

Anduril IndustriesDefense

⚙️ Mechanical & Physical SystemsSenior

Las Vegas, NV

Senior Aerospace Engineer

Shield AIDefense

⚙️ Mechanical & Physical SystemsSenior

Dallas, TX

Principal Mechanical Engineer, Space Special Programs

Anduril IndustriesDefense

⚙️ Mechanical & Physical SystemsStaff / Principal

Chantilly, VA · Herndon, VA

Sr. Staff Mechanical Engineer - BlueSky (R5825)

Shield AIDefense

⚙️ Mechanical & Physical SystemsStaff / Principal

Remote

Explosive Operations Engineer

Anduril IndustriesDefense

⚙️ Mechanical & Physical SystemsMid-Level

Costa Mesa, CA

Principal Mechatronics Engineer, Space Special Programs

Anduril IndustriesDefense

⚙️ Mechanical & Physical SystemsStaff / Principal

Chantilly, VA · Herndon, VA

Robotics Senior Mechanical Engineer (Area 9)

HelsingDefense

⚙️ Mechanical & Physical SystemsSenior

Spain

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Mechanical & Physical SystemsDefense

Mechanical Engineer, Rocket Motor Systems

Anduril IndustriesDefense

⚙️ Mechanical & Physical SystemsMid-Level

McHenry, MS

Operational Performance Engineer, Mass Properties and Vehicle Performance

Mach IndustriesDefense

⚙️ Mechanical & Physical SystemsMid-Level

Huntington Beach, CA

Mass Properties Engineer, Air Vehicles

Anduril IndustriesDefense

⚙️ Mechanical & Physical SystemsSenior

Costa Mesa, CA

Senior Mechanical Engineer, Rocket Motor Systems

Anduril IndustriesDefense

⚙️ Mechanical & Physical SystemsSenior

McHenry, MS

Spec, Mechanical Engrg

FisicaDefense

⚙️ Mechanical & Physical SystemsMid-Level

Simi Valley, CA

Senior Drone Engineer

Havoc AIDefense

⚙️ Mechanical & Physical SystemsSenior

San Diego, CA

Senior Opto-Mechanical Engineer

FurientisDefense

⚙️ Mechanical & Physical SystemsSenior

Los Angeles, CA

Air Vehicle Lead

Anduril IndustriesDefense

⚙️ Mechanical & Physical SystemsSenior

Costa Mesa, CA

Staff Propulsion Engineer, Air Vehicles (Solid Rocket Motor Integration)

Anduril IndustriesDefense

⚙️ Mechanical & Physical SystemsStaff / Principal

Costa Mesa, CA

Staff Propulsion Engineer, Air Vehicles (Turbine Engine Integration)

Anduril IndustriesDefense

⚙️ Mechanical & Physical SystemsStaff / Principal

Costa Mesa, CA

Mechanical Engineer (Electronic Warfare)

Harmattan AIDefense

⚙️ Mechanical & Physical SystemsMid-Level

France

Senior Fuel Systems Engineer, Air Vehicles

Anduril IndustriesDefense

⚙️ Mechanical & Physical SystemsSenior

Costa Mesa, CA

Senior Mechanical Engineer - Undersea Reconnaissance & Strike

Anduril IndustriesDefense

⚙️ Mechanical & Physical SystemsSenior

Quincy, MA

Mechanical Engineer - Undersea Reconnaissance & Strike

Anduril IndustriesDefense

⚙️ Mechanical & Physical SystemsMid-Level

Quincy, MA

Principal Propulsion Engineer, Air Vehicles (Turbine Engine Integration)

Anduril IndustriesDefense

⚙️ Mechanical & Physical SystemsStaff / Principal

Costa Mesa, CA

Senior Team Lead, Airframe & Aerostructures

Harmattan AIDefense

⚙️ Mechanical & Physical SystemsManager

Morocco

Senior Propulsion Engineer, Air Vehicles (Turbine Engine Integration)

Anduril IndustriesDefense

⚙️ Mechanical & Physical SystemsSenior

Costa Mesa, CA

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Frequently asked questions

How many mechanical & physical systems jobs are in defense?: There are currently 476 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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