Jobs/Roles/Mechanical & Physical Systems

Mechanical & Physical Systems Jobs

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

2,522 open roles · Updated Sep 21, 2026

2,522 jobs

Lunar Outpost Senior Thermal Analyst

Golden, CO

$102k–$145k / year

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

Apptronik Hardware Integration Engineer - Dexterity

Austin, TX

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

Xcimer Energy Summer 2027 Internship - Physics

Denver, CO

$52k–$73k / year

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

AMCA Senior Mechanical Engineer

El Segundo, CA

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

Joby Aviation Staff MRB Stress Engineer

Marina, CA

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

General Matter Summer 2027 Internship - Architectural Engineering

Los Angeles, CA

$58k–$83k / year

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

X-Bow Systems Chief Engineer, Solid Rocket Motor (SRM)

Remote · United States

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

Oklo Director of Chemistry, Manufacturing and Controls

Austin, TX

$170k–$250k / year

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

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Electra.aero Senior / Principal Engineer – Electromechanical Actuation

Manassas, VA

$130k–$180k / year

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

VulcanForms Staff Product Development Engineer - Industrials

Newburyport, MA

$125k–$172k / year

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

Vulcan Elements Materials Process Engineer - Metals

Research Triangle Park, NC

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

Shinkei Systems R&D Mechanical Engineer - Mechanical System Ownership

El Segundo, CA

$100k–$120k / year

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

The Boring Company Tunnel Design Engineer

Las Vegas, NV

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

Sierra Space Structural Analysis Engineer II

Centennial, CO

$91k–$125k / year

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

Re:Build Manufacturing Process & Mechanical Designer

Rochester, NY

$67k–$87k / year

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

STARK Mechanical Engineer Electronic Warfare (All Genders)

Germany

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

Axiom Space Portable Life Support System (PLSS) Mechanical Engineer

Houston, TX

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

Astrolab Mechanical Engineer (Vehicle Engineering), Senior or Staff-Level

Hawthorne, CA

$130k–$219k / year

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

Cambium USA Scientist II - Formulation and Composites

El Segundo, CA

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

Dominion Dynamics Powerplant Engineer

Canada

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

Proxima Fusion Plasma Spectroscopy Diagnostician

Germany · United Kingdom

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

Divergent Senior/Staff Mechanical Engineer

Torrance, CA

$129k–$204k / year

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

StarCloud Mechanical Engineer (Mechanisms)

Redmond, WA

$105k–$140k / year

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

Last Energy Lead Chemistry & Materials Engineer

Austin, TX

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

Kodiak AI Fleet Technician

Lancaster, TX

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

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How many mechanical & physical systems jobs are on BuildList?: There are currently 2,522 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.