Jobs/Roles/Mechanical & Physical Systems

Mechanical & Physical Systems Jobs

Mechanical, aerospace, and physical-systems engineering roles at hard-tech companies.

2,663 open roles · Updated Sep 26, 2026

2,663 jobs

Anduril Industries Loads and Dynamics Engineer, Air Vehicles

Costa Mesa, CA

$129k–$171k / year

Job type: Mechanical & Physical Systems
Seniority: Senior
Sector: Defense

SpaceX HVAC Technician (Facilities) - 3rd Shift

Cape Canaveral, FL

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

Rocket Lab Senior Vehicle Integration Engineer

Wallops Island, VA

$115k–$172k / year

Job type: Mechanical & Physical Systems
Seniority: Senior
Sector: Aerospace

Blue Origin Materials & Process Engineer III

Seattle, WA

Job type: Mechanical & Physical Systems
Seniority: Senior
Sector: Aerospace

Anduril Industries Mechanical Engineer, Rocket Motor Systems

Costa Mesa, CA

$129k–$171k / year

Job type: Mechanical & Physical Systems
Seniority: Senior
Sector: Defense

SpaceX Electric Propulsion Engineer, Mechanical (Starshield)

Hawthorne, CA

$120k–$170k / year

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

Rocket Lab Senior Vehicle Integration Engineer

Middle River, MD

$109k–$188k / year

Job type: Mechanical & Physical Systems
Seniority: Senior
Sector: Aerospace

Blue Origin Mechanisms Engineer III — Opto-Mechanical Systems

Seattle, WA · Los Angeles, CA · Denver, CO

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

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Anduril Industries Senior Mechanical Engineer, Rocket Motor Systems

Costa Mesa, CA

$146k–$194k / year

Job type: Mechanical & Physical Systems
Seniority: Senior
Sector: Defense

SpaceX Mechanical Engineer

McGregor, TX

Job type: Mechanical & Physical Systems
Seniority: Senior
Sector: Aerospace

Rocket Lab Stage Fluids Engineer II

Long Beach, CA

$101k–$151k / year

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

Blue Origin Tribology Engineer III

Seattle, WA

Job type: Mechanical & Physical Systems
Seniority: Senior
Sector: Aerospace

Anduril Industries Senior Mechanical Engineer: Mechanisms, Space

Costa Mesa, CA

$146k–$194k / year

Job type: Mechanical & Physical Systems
Seniority: Senior
Sector: Defense

SpaceX Mechanical Engineer (Dragon)

Hawthorne, CA

$100k–$118k / year

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

Rocket Lab Senior Ground Systems Engineer I, Mechanical

Stennis Space Center, MS

Job type: Mechanical & Physical Systems
Seniority: Senior
Sector: Aerospace

Blue Origin Propulsion Engineer III

Seattle, WA · Huntsville, AL

Job type: Mechanical & Physical Systems
Seniority: Senior
Sector: Aerospace

Anduril Industries Staff Weapons Integration Engineer

Costa Mesa, CA

$191k–$253k / year

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

SpaceX Sr. Thermal Engineer - Spacecraft Analysis, AI Satellites (Starmind)

Bastrop, TX

Job type: Mechanical & Physical Systems
Seniority: Senior
Sector: Aerospace

Rocket Lab Propulsion Engineer II, Engine Systems

Long Beach, CA

$101k–$151k / year

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

Blue Origin Sr. GSE Design and Analysis Engineer - Blue National Security (Blue Ring)

Huntsville, AL

Job type: Mechanical & Physical Systems
Seniority: Senior
Sector: Aerospace

Anduril Industries Staff Payload Integration Engineer, Omen

Costa Mesa, CA

$191k–$253k / year

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

SpaceX Structures Design Engineer (Starship)

Starbase, TX

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

Rocket Lab Senior / Principal Propulsion Engineer

Long Beach, CA

$115k–$270k / year

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

Blue Origin Mk1 Fluids Systems Engineer II

Seattle, WA · Space Coast, FL · Denver, CO

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

Anduril Industries Staff Mechanical Engineer, Omen

Costa Mesa, CA

$191k–$253k / year

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

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How many mechanical & physical systems jobs are on BuildList?: There are currently 2,663 open mechanical & physical systems roles listed on BuildList, refreshed hourly straight from company career pages.
What kinds of companies are hiring mechanical & physical systems?: Ambitious, fast-growing companies building the future — across AI, defense, aerospace, robotics, energy, and more. You can filter the list by sector, company stage, experience level, and location.
Are there remote mechanical & physical systems jobs?: Yes. Use the location filter, or open the remote view for this role to see only fully-remote mechanical & physical systems openings.
How do I apply for mechanical & physical systems jobs?: 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.