Jobs/Roles/Mechanical & Physical Systems

Mechanical & Physical Systems Jobs

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

2,514 open roles · Updated Sep 21, 2026

2,514 jobs

Overview Energy Optomechanical Engineer

Ashburn, VA

$150k–$220k / year

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

Isomorphic Labs Research Leader / Senior Scientist (Medicinal Drug Design), Cambridge, MA

Cambridge, MA

Job type: Mechanical & Physical Systems
Seniority: Senior
Sector: Bio & Health

Star Catcher Optical Systems Engineer

Jacksonville, FL

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

The Spaceport Company Naval Architect

Cocoa, FL

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

Heart Aerospace Electric Motor Design Engineer

Los Angeles, CA

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

Path Robotics Welding Engineer

Columbus, OH

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

Quaise Energy Senior Drilling Engineer

Denver, CO

$170k–$200k / year

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

Durin Senior Mechanical Engineer

El Segundo, CA

$150k–$180k / year

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

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Blue Water Autonomy Mechanical Engineer I - Electrical Packaging & Structures

Lexington, MA

$77k–$100k / year

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

Fuse Energy Dual Fuel Engineer

United Kingdom

$56k–$62k / year

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

Wayve Fleet Service and Maintenance Technician

Detroit, MI

$75k–$85k / year

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

Gilmour Space Senior Propulsion Engineer (Turbomachinery)

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

Panthalassa Senior Marine Engineer, Marine Operations

Portland, OR

$180k–$230k / year

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

PsiQuantum Thermal Mechanical Engineer

Milpitas, CA

$140k–$164k / year

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

Figure Mechanical Engineer - Integration & Test

San Jose, CA

$120k–$175k / year

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

Hadrian Construction Field Engineer, MEP

Cherokee, AL

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

Stoke Space Summer 2027 Internship - Engineering

Cape Canaveral, FL · Kent, WA · Washington, D.C. · Moses Lake, WA

$58k / year

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

Muon Space Staff Mechanical Engineer - Spacecraft Components

San Jose, CA

$190k–$216k / year

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

Quantum Systems Lead Design Engineer

Ukraine

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

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

Seattle, WA

$146k–$194k / year

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

Helsing Hardware Engineer - Physical Products

United Kingdom

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

Nscale Director, Building Management System Design

Americas

$170k–$250k / year

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

Isar Aerospace Turbopump Turbine Engineer (m/f/d)

Germany

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

Form Energy Staff Mechanical Engineer, Hardware Engineering

Berkeley, CA

$148k–$222k / year

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

Antora Energy Senior / Staff Plant Process & Controls Engineer

Big Stone City, SD

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 2,514 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.