Jobs/Roles/Mechanical & Physical Systems

Mechanical & Physical Systems Jobs

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

2,518 open roles · Updated Sep 21, 2026

2,518 jobs

Fuse Energy Renewable Energy Electrician

United Kingdom

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

Wayve Fleet Service and Maintenance Technician

United Kingdom

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

Gilmour Space Senior Propulsion Engineer (LRE)

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

Panthalassa Mechanical Engineer, Marine Operations

Portland, OR

$125k–$175k / year

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

PsiQuantum Senior Mechanical Engineer, Photonic Systems

Palo Alto, CA

$168k–$197k / year

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

Figure Systems Integration Engineer - Actuation Systems

San Jose, CA

$150k–$250k / year

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

Hadrian Systems Engineer, Mechanical Design

San Francisco, CA

$165k–$220k / year

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

Stoke Space Mechanical Design Engineer - Heavy GSE Mechanisms

Cape Canaveral, FL

$110k–$148k / year

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

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Muon Space Staff Spacecraft Platform Engineer

San Jose, CA

$202k–$223k / year

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

Quantum Systems Senior Design Engineer

Ukraine

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

Anduril Industries Thermal Engineer, Thermal Protection Systems (TPS)

Costa Mesa, CA

$129k–$171k / year

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

Nscale Reliability Engineer SME (M&E)

United Kingdom

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

Isar Aerospace Engine Thrust Chamber Engineer (m/f/d)

Germany

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

Form Energy Senior Materials Scientist, R&D

Somerville, MA

$129k–$161k / year

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

Antora Energy Staff or Principal Applications Engineer

Remote

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

Shield AI Principal Engineer, Fluid & Thermal Systems (R5620)

Seattle, WA · Washington, D.C. · Dallas, TX

$266k–$400k / year

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

ICON Materials Engineer II

Austin, TX

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

K2 Space Senior Thermal Analyst

Los Angeles, CA

$140k–$230k / year

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

True Anomaly Thermal Engineer (II or III)

Denver, CO · Long Beach, CA

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

Saronic Diesel Mechanic

United Kingdom

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

Castelion Senior Thermal & TPS Integration Engineer

Rio Rancho, NM

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

Crusoe Energy Lead Mechanical Systems Engineer - Spark

Denver, CO

$190k–$215k / year

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

Halter Experienced Mechanical Engineer

New Zealand

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

PhysicsX CFD Multiphase & DEM Engineer

Singapore

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

Waymo Senior Vehicle Interior Engineer

Remote · Mountain View, CA · Novi, MI

$196k–$248k / year

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

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Frequently asked questions

How many mechanical & physical systems jobs are on BuildList?: There are currently 2,518 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.