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 21, 2026

2,514 jobs

Westmag Mechanical Engineer

South San Francisco, CA

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

Rendezvous Robotics Spacecraft Mechanisms Engineer (Launch Restraint and Release Systems)

Golden, CO

$140k–$170k / year

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

Pacific Fusion Mechanical Design Engineer

Fremont, CA

$138k–$207k / year

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

Pixxel Senior Thermal Engineer

India

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

VVater Senior Water - Wastewater Engineer

Austin, TX

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

Specter Aerospace Operations Analysis Engineer III/IV

Peabody, MA

$110k / year

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

Kodiak AI Senior Vehicle Integration Engineer

Lancaster, TX

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

Proxima Fusion Alpha Plant Systems Lead

Germany

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

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Mach Industries May 2027 New Graduate Engineer, Propulsion

San Luis Obispo, CA

$115k–$130k / year

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

Fuse Fluid Dynamics Engineer

San Leandro, CA

$110k–$160k / year

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

Nudge Materials Engineer

San Francisco, CA

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

Kela Head of Mechanical Engineering- LA

United States

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

MidJourney Senior Mechanical Engineer (Medical)

San Francisco, CA

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

Salient Motion Senior Mechanical Engineer

Torrance, CA

$160k–$190k / year

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

Slip Robotics Staff Mechanical Engineer

Norcross, GA

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

GITAI Senior Mechanical Engineer

Los Angeles, CA

$155k–$200k / year

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

Plantd Engineering Intern

Oxford, NC

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

Sila Nanotechnologies Principal Mechanical Engineer

Alameda, CA

$172k–$218k / year

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

Science Opto-Mechanical Engineer

Alameda, CA

$112k–$185k / year

Job type: Mechanical & Physical Systems
Seniority: Senior
Sector: Bio & Health

Rainmaker Lead, Mechanical Engineering

El Segundo, CA

$120k–$150k / year

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

Performance Drone Works Mechanical Engineer

Huntsville, AL

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

Lydian Coatings Engineer/Scientist Co-op

Boston, MA

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

Exowatt Lead Mechanical Engineer - Structures (Austin, TX)

Austin, TX

$150k–$215k / year

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

Freeform Factory Infrastructure Engineer

Los Angeles, CA

$100k–$140k / year

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

Regent Senior Actuation Engineer

North Kingstown, RI

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

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Frequently asked questions

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.