Jobs/Roles/Mechanical & Physical Systems

Mechanical & Physical Systems Jobs

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

2,514 open roles · Updated Sep 20, 2026

2,514 jobs

StarCloud Mechanical Engineer (Satellite Bus)

Redmond, WA

$105k–$140k / year

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

STARK Powertrain Simulation Engineer (all genders)

Germany

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

Westmag Mechatronics Engineer

South San Francisco, CA

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

MatX Mechanical Engineer - AI Rack Scale Systems

Mountain View, CA

$160k–$275k / year

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

Astrolab Lead Loads and Dynamics Engineer

Hawthorne, CA

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

Fractile Thermo Mechanical Engineer

United Kingdom

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

VVater Process Engineer - Water

Austin, TX

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

Cambium USA Senior Scientist - Formulation and Composites

El Segundo, CA

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

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Rendezvous Robotics Mechanical Engineering Intern (Summer 2027)

Golden, CO

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

Pixxel Mechanical Assembly Integration and Testing (MAIT) Engineer

India

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

Proxima Fusion Stellarator Integration Engineer

Germany

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

Observable Space Mechanical Engineer - Structural Analyst

Los Angeles, CA

$100k–$140k / year

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

Astro Mechanica Mechanical Systems Design Engineer

San Francisco, CA

$135k–$170k / year

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

Bedrock Robotics Internship 2027 Sensor Systems Engineer

San Francisco, CA

Job type: Mechanical & Physical Systems
Seniority: Intern
Sector: Construction & Housing

Atomic Machines Director of Mechanical Engineering, Hardware Platform

Emeryville, CA · Santa Clara, CA

$275k–$320k / year

Job type: Mechanical & Physical Systems
Seniority: Director
Sector: Manufacturing

Pacific Fusion Summer 2027 Internship- Mechanical Engineering

San Leandro, CA · Fremont, CA · Los Lunas, NM

$62k–$100k / year

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

Fuse Mechanical Engineer

Albuquerque, NM

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

Mach Industries May 2027 New Graduate Engineer, Mechanical

Huntington Beach, CA

$105k–$110k / year

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

Aurora Staff NPI Engineer

Mountain View, CA

$139k–$247k / year

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

Specter Aerospace Propulsion Design Engineering Co-op - Spring 2027

Peabody, MA

$48k–$62k / year

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

Nudge Mechanical Engineer

San Francisco, CA

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

Kela Mechanical Engineer- LA

United States

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

Kodiak AI Senior, Vehicle Integration Engineer

Mountain View, CA

$150k–$185k / year

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

Salient Motion Mechanical Engineer

Saginaw, MI

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

GITAI Senior Propulsion Engineer

Los Angeles, CA

$150k–$200k / year

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 2,514 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.