Jobs/Roles/Mechanical & Physical Systems

Mechanical & Physical Systems Jobs

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

2,517 open roles · Updated Sep 21, 2026

2,517 jobs

X-Bow Systems Structural Analyst II

Remote · United States

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

Shinkei Systems Mechanical Engineering Intern/Associate Engineer

El Segundo, CA

$46k–$67k / year

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

Electra.aero Senior / Principal Airframe Design Engineer

Switzerland

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

Oklo Recycling Operations Engineer Lead

Remote · Santa Clara, CA

$130k–$175k / year

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

VulcanForms Process Safety Engineer, Powders

Devens, MA

$138k–$190k / year

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

Vulcan Elements Staff Mechanical Engineer

Research Triangle Park, NC

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

The Boring Company Senior Geotechnical Engineer

Las Vegas, NV

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

Sierra Space Manager, Ground Operations Engineering

Louisville, CO

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

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Re:Build Manufacturing Process & Mechanical Engineer Co-op/Intern

Rochester, NY

$44k–$52k / year

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

Astrolab Rover Navigation/Localization Engineer

Remote · Hawthorne, CA

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

Axiom Space Thermal Analysis Engineer IV

Houston, TX

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

Cambium USA Sr. Scientist, Synthetic Chemistry

El Segundo, CA

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

Octopus Energy Anlagenmechaniker SHK / Heizungsbauer (m/w/d) – Wärmepumpen - Wuppertal

Wuppertal, DE

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

Observable Space Sr. Opto-Mechanical Engineer, Photonics

Los Angeles, CA · Detroit, MI

$140k–$170k / year

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

MatX Laboratory Operations Intern

Mountain View, CA

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

STARK C-UAS Payload Integration Engineer

Germany

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

Last Energy Project Engineer

Austin, TX

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

Divergent Senior/Staff Mechanical Engineer, Factory Automation

Torrance, CA

$96k–$204k / year

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

Proxima Fusion Laser Diagnostician

Germany

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

StarCloud Mechanical Engineer (Solar)

Redmond, WA

$105k–$140k / year

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

Kodiak AI Fleet Technician

Lancaster, TX

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

Westmag Engineering Intern

South San Francisco, CA

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

Rendezvous Robotics Spacecraft Mechanisms Engineer (Docking, Capture, and Mating Systems)

Golden, CO

$110k–$140k / year

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

Pacific Fusion Senior Mechanical Engineer - Vacuum Systems

Fremont, CA

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

VVater CAD Designer - Water & Wastewater

Austin, TX

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 2,517 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.