Jobs/Roles/Mechanical & Physical Systems

Mechanical & Physical Systems Jobs

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

2,539 open roles · Updated Sep 22, 2026

2,539 jobs

Archer Senior Design Engineer - (SJ2026AP)

San Jose, CA

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

Neuralink Facilities Technician

South San Francisco, CA

$43k–$63k / year

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

Redwood Materials Staff Mechanical Design Engineer, EPC

San Francisco, CA

$188k–$248k / year

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

Meta Generator Engineer, Data Center Infrastructure

Reston, VA · Menlo Park, CA

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

Helion Energy Senior Materials Engineer, Dielectrics

Everett, WA

$164k–$236k / year

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

Lunar Outpost Senior Thermal Engineer - EU

Luxembourg

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

Apptronik Staff Mechanical Engineer – Upper Body Tech Lead

Austin, TX

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

Xcimer Energy Director of Fusion Nuclear Science

Denver, CO

$220k–$260k / year

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

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General Matter Summer 2027 Internship - Chemical Engineering

Los Angeles, CA

$62k–$83k / year

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

AMCA Lead Mechanical Engineer

El Segundo, CA

$150k–$200k / year

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

Joby Aviation Staff Mechanical Engineer - Charging Systems

San Carlos, CA

$161k–$222k / year

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

Oklo Director of Development Engineering

Remote · Santa Clara, CA

$225k–$275k / year

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

X-Bow Systems R&D Mechanical/Aerospace Engineer (Advanced Development)

Stennis Space Center, MS · Socorro, NM

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

Electra.aero Staff / Senior Mechanical Engineer

Manassas, VA

$109k–$159k / year

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

Vulcan Elements Analysis Engineer - Process Modeling

Research Triangle Park, NC

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

The Boring Company Mechanical Engineer

United Arab Emirates

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

Sierra Space Structural Analysis Engineer III (Clearance Required)

Centennial, CO · Louisville, CO

$111k–$152k / year

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

Re:Build Manufacturing Principal Mechanical Engineer

Wilmington, MA

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

Astrolab Staff Thermal Control Systems Engineer

Remote · Hawthorne, CA

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

Dominion Dynamics Aircraft Systems Integrator

Canada

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

Divergent Robotic Simulation Engineer

Torrance, CA

$122k–$194k / year

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

StarCloud Lead Thermal Engineer

Redmond, WA

$200k–$250k / year

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

Last Energy Nuclear Engineer - Radiological

Austin, TX

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

Rendezvous Robotics Thermal Engineer

Golden, CO

$140k–$170k / year

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

Specter Aerospace Mechanical Engineer Co-Op - Spring 2027

Boston, MA

$48k–$62k / year

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

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How many mechanical & physical systems jobs are on BuildList?: There are currently 2,539 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.