Jobs/Roles/Mechanical & Physical Systems

Mechanical & Physical Systems Jobs

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

2,597 open roles · Updated Sep 24, 2026

2,597 jobs

General Matter Specialist Lab Piping Designer (Buildings)

Los Angeles, CA

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

Meta Opto-Mechanical Engineer, Camera

Sunnyvale, CA

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

Helion Energy Principal Nuclear Materials Engineer

Everett, WA

$264k–$317k / year

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

Sierra Space Propulsion Engineer II

Madison, WI

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

Joby Aviation Staff Rotor/Hub Design Engineer

Santa Cruz, CA

$150k–$250k / year

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

Xcimer Energy Electrical Engineer — Signal Distribution & Controls

Denver, CO

$150k–$180k / year

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

The Boring Company Mechanical Engineering Internship (Year Long)

Bastrop, TX · Nashville, TN · Las Vegas, NV

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

Re:Build Manufacturing Research and Development Composites Molding Engineer

Commerce City, CO

$92k–$137k / year

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

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Pacific Fusion Senior Mechanical Engineer - Pulser Modules

Fremont, CA

$138k–$264k / year

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

Freeform Design Engineer (Advanced Energy Hardware)

Hawthorne, CA

$120k–$150k / year

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

Impulse Space Propulsion Component Engineer (Solenoid Valve)

Redondo Beach, CA

$100k–$155k / year

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

Panthalassa Senior Structural Engineer

Portland, OR

$150k–$250k / year

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

Stoke Space Senior Structures Design Engineer

Kent, WA · Washington, D.C.

$151k–$252k / year

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

Muon Space Staff Mechanical Engineer - Spacecraft Mechanical Design Technical Lead

San Jose, CA

$190k–$216k / year

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

Anduril Industries Chief Engineer, Conventional ISR

Costa Mesa, CA

$253k–$336k / year

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

Isar Aerospace Fluggerätmechaniker (m/w/d)

Germany

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

Shield AI Staff Engineer, Aircraft Configuration Design (R5830)

San Diego, CA

$144k–$210k / year

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

K2 Space Senior Solar Design Engineer

Los Angeles, CA

$140k–$175k / year

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

Saronic Naval Architect – Commercial Vessels

Austin, TX

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

Castelion Senior Propulsion & Ordnance Engineer

Rio Rancho, NM

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

Zipline Mechanical & Scaling Engineer, Droid

South San Francisco, CA

$175k–$215k / year

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

CesiumAstro Senior Flight Dynamics Engineer

Westminster, CO

$133k–$161k / year

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

Cowboy Space Corporation Mechanical Engineer

San Carlos, CA

$125k–$175k / year

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

Harmattan AI Mechanical Engineer (Hardware Tooling)

France

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

Fluidstack BIM Engineer

Austin, TX · New York, NY · San Francisco, CA · Los Angeles, CA · Seattle, WA

$164k–$206k / year

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

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How many mechanical & physical systems jobs are on BuildList?: There are currently 2,597 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.
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