Jobs/Roles/Mechanical & Physical Systems

Mechanical & Physical Systems Jobs

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

2,599 open roles · Updated Sep 24, 2026

2,599 jobs

Zipline Senior/Staff Applied Aerodynamicist

South San Francisco, CA

$185k–$255k / year

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

CesiumAstro Principal CAD Designer

Westminster, CO

$96k–$116k / year

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

Cowboy Space Corporation Lead Mechanical Engineer, Laser Communications

San Carlos, CA

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

Firefly Aerospace Mechanical Engineer II

Cedar Park, TX

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

SpaceX Operations Engineer (Starship)

Starbase, TX

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

Relativity Space Senior Mechanical Engineer

Long Beach, CA

$132k–$198k / year

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

Rocket Lab Propulsion Intern Summer 2027

Long Beach, CA

$58k / year

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

Nvidia Senior Design for Manufacturing Mechanical Engineer

Taiwan

Job type: Mechanical & Physical Systems
Seniority: Senior
Sector: Compute & Semiconductors

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Blue Origin Materials and Process Engineer III - Engines

Huntsville, AL

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

Rivian Sr. Lead Chassis Engineer

Irvine, CA

$176k–$234k / year

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

Archer Staff Advanced Concepts Optimization Engineer

San Jose, CA

$160k–$200k / year

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

Radiant Build Engineer, Turbomachinery - 2026 New Graduate

El Segundo, CA

$105k–$125k / year

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

Meta Mechanical Subject Matter Expert

Henrico, VA · Newton County, GA · Beaver Dam, WI · Lebanon, IN · El Paso, TX · Bowling Green, OH · DeKalb, IL · Huntsville, AL

Job type: Mechanical & Physical Systems
Seniority: Senior
Sector: AI Research

Impulse Space Dynamics Engineering Intern (Summer 2027)

Redondo Beach, CA

$62k / year

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

Anduril Industries Mechanical Design Engineer (Multiple Tracks: Core Tech, Lethality, & DFM/DFA)

Costa Mesa, CA

$129k–$171k / year

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

Shield AI Senior Engineer, Air Vehicle Fluid Systems (R5203)

Seattle, WA · Washington, D.C. · San Diego, CA

$130k–$200k / year

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

Saronic Mechanical Engineer, Hardware Integration

Austin, TX · New Orleans, LA

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

Zipline Senior Loads and Dynamics Engineer - Aeroelastics and Rotordynamics

South San Francisco, CA

$150k–$215k / year

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

CesiumAstro Supplier Quality Manager

Westminster, CO

$136k–$167k / year

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

Firefly Aerospace Structures Engineer I (Launch Vehicles)

Cedar Park, TX

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

SpaceX Mechanical Designer, Automation & Controls (Starship Launch Pad)

Starbase, TX

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

Relativity Space Propulsion Engineer II, Combustion Devices

Long Beach, CA

$104k–$156k / year

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

Rocket Lab Fluid Component Intern Spring 2027

Long Beach, CA

$58k / year

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

Nvidia Mechanical On-Site Engineer, Foxconn Vietnam

Vietnam

Job type: Mechanical & Physical Systems
Seniority: Senior
Sector: Compute & Semiconductors

Blue Origin Senior Thermal Engineer - TeraWave

Seattle, WA

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

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How many mechanical & physical systems jobs are on BuildList?: There are currently 2,599 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.