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

Gilmour Space Propulsion Engineer II

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

Panthalassa Senior Thermal Engineer

Portland, OR

$155k–$200k / year

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

PsiQuantum Principal Optical Fiber Architect

Milpitas, CA

$240k–$265k / year

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

Figure Mechanical Engineer, Softgoods/Plastics

San Jose, CA

$120k–$180k / year

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

Hadrian Materials Engineer, Additive Manufacturing

Los Angeles, CA

$150k–$220k / year

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

Stoke Space Launch Engineer - Tooling & Fabrication

Cape Canaveral, FL

$96k–$121k / year

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

Muon Space Mechanical Engineer II, Solar & Deployables

San Jose, CA

$153k–$172k / year

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

Quantum Systems Development Engineer Production (m/f/d) - Focus Hardware

Germany

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

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Anduril Industries Senior Thermal Engineer, Expeditionary AI / HPC Data Centers

Mountain View, CA

$160k–$211k / year

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

Nscale Design & Construction Commissioning Lead - APAC (Data Centres)

Singapore

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

Isar Aerospace Propulsion Valves Engineer (m/f/d)

Germany

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

Antora Energy Senior / Staff Mechanical Engineer, Fluid Systems

San Jose, CA

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

Shield AI Staff Engineer, Aircraft Configuration Design (R5830)

San Diego, CA

$144k–$210k / year

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

ICON Manager, Mechanical Engineering

Austin, TX

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

K2 Space Thermal Analyst

Los Angeles, CA

$100k–$180k / year

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

True Anomaly Structural Integrity Lead, Space Based Interceptor

Denver, CO · Long Beach, CA

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

Saronic Senior Mission Operations Sustainment Engineer, MUSV

Austin, TX

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

Castelion Structural Analysis Engineer

Torrance, CA

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

Waymo Senior Vehicle Dynamics Simulation Engineer

Remote · Mountain View, CA · San Francisco, CA

$196k–$242k / year

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

PhysicsX Principal CFD Engineer

Singapore

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

Impulse Space Manager, Spacecraft Actuators

Redondo Beach, CA

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

Valar Atomics TRISO Chemical Plant Process Engineer

Orangeville, UT

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

Venus Aerospace Senior RF Systems Engineer

Houston, TX

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

Zipline Computational Physics Intern (Spring 2027)

South San Francisco, CA

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

CesiumAstro Principal CAD Designer

El Segundo, CA

$101k–$121k / year

Job type: Mechanical & Physical Systems
Seniority: Staff / Principal
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.
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