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

Fervo Energy Senior Mechanical Engineer

Oakland, CA

$115k–$182k / year

Job type: Mechanical & Physical Systems
Seniority: Senior
Sector: Energy & Climate

Rivian Sr. Battery Design Engineer

Tustin, CA

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

Archer Sr. Rotor/Hub Structural Analyst

San Jose, CA

$144k–$180k / year

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

Radiant Nuclear Engineer

El Segundo, CA

$107k–$146k / year

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

Meta Design Project Lead, Data Center Design and Construction

Denver, CO · Reston, VA · Menlo Park, CA · New York, NY · San Francisco, CA

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

Sierra Space P26817 Mechanical Engineer II

Louisville, CO

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

Impulse Space Mechanical Engineer II

Redondo Beach, CA

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

Muon Space Mechanical Engineer - Spacecraft Components and Systems

San Jose, CA

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

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Anduril Industries Senior Multiphysics Engineer, High Speed Reacting Flow

Costa Mesa, CA

$146k–$194k / year

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

Shield AI Senior Engineer, Avionics Thermal Engineering (R5298)

Seattle, WA · Washington, D.C.

$130k–$200k / year

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

Saronic Camera Optomechanical Engineer

Austin, TX

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

Zipline Mechanical Engineer, RF Systems

South San Francisco, CA

$135k–$225k / year

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

CesiumAstro Principal CAD Designer

Austin, TX

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

Cowboy Space Corporation Lead Mechanical Engineer, Compute Systems

San Carlos, CA

$150k–$225k / year

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

Varda Space Senior Structures Engineer

El Segundo, CA

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

Firefly Aerospace Propulsion Integration and Test RE II/III (Miranda Engine)

Briggs, TX

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

SpaceX New Graduate Engineer, Starship Components

Hawthorne, CA

$100k–$160k / year

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

Relativity Space Senior Mechanical Engineer (Terran-R Structures)

Long Beach, CA

$132k–$198k / year

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

Rocket Lab Mechanical Engineering Intern Summer 2027

Canada

$43k / year

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

Nvidia SPE Thermal Solutions Integration Engineer

Israel

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

Blue Origin Mechanical Engineer Level 3 (Mechanisms Design)

Longmont, CO

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

Fervo Energy Senior Instrumentation & Controls Engineer

Reno, NV

Job type: Mechanical & Physical Systems
Seniority: Senior
Sector: Energy & Climate

Rivian Staff Technical Program Manager

Torrance, CA

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

Archer Sr. Manager, Design Engineering Structures

San Jose, CA

$207k–$259k / year

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

Radiant Senior Structures Engineer

El Segundo, CA

$134k–$185k / year

Job type: Mechanical & Physical Systems
Seniority: Senior
Sector: Energy & Climate

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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.