Jobs/Roles/Mechanical & Physical Systems

Mechanical & Physical Systems Jobs

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

2,551 open roles · Updated Sep 22, 2026

2,551 jobs

Gilmour Space Senior Mechanical Engineer (Satellites)

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

Panthalassa Naval Architect

Portland, OR

$160k–$200k / year

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

PsiQuantum Senior Optical Fibre Engineer

United Kingdom

$86k–$103k / year

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

Hadrian Mechatronics Engineer

Los Angeles, CA

$139k–$240k / year

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

Stoke Space Senior Fluids Engineer

Kent, WA · Washington, D.C.

$129k–$194k / year

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

Muon Space Thermal Engineer II

San Jose, CA

$153k–$172k / year

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

Quantum Systems Mechanical Engineer Interceptor C‑UAS (m/f/d)

Germany

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

Anduril Industries Senior Mechanical Engineer, Test Fixtures

Costa Mesa, CA

$146k–$194k / year

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

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Nscale Construction Manager - Glomfjord, Norway

Norway

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

Isar Aerospace Launch Pad Operations Engineer (m/f/d)

Norway

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

Antora Energy Senior Field Engineer

United States

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

Shield AI Engineer II, Propulsion - Engine Performance (R5907)

Dallas, TX

$94k–$142k / year

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

K2 Space Senior Optomechanical Engineer

Los Angeles, CA

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

Saronic Mechanical Build Engineer

Franklin, LA

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

Castelion Senior R&D Technician - Mechanisms

Torrance, CA

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

Impulse Space Development Test Engineer

Redondo Beach, CA

$100k–$120k / year

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

Zipline Senior Motor Technology Development Engineer

South San Francisco, CA

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

CesiumAstro Senior Staff Mechanical Engineer

Westminster, CO

$158k–$189k / year

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

Ursa Major Staff Loads & Dynamics Analysis Engineer

Remote

$140k–$170k / year

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

Cowboy Space Corporation Lead Configurator / Integrator

Kent, WA · Washington, D.C.

$160k–$225k / year

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

Boom Supersonic Manager of Turbomachinery Structures and Mechanical Engineering

Centennial, CO

$153k–$205k / year

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

Harmattan AI Lead Warhead Engineer

France · Switzerland · Morocco

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

CHAOS Industries Principal Mechanical Engineer, Platform Integration

El Segundo, CA

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

Fluidstack Structural Engineer, Modular R&D

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

Commonwealth Fusion Senior Mechanical Engineer - Assembly Equipment

Devens, MA

$110k–$185k / year

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 2,551 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.