Jobs/Roles/Mechanical & Physical Systems

Mechanical & Physical Systems Jobs

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

2,588 open roles · Updated Sep 23, 2026

2,588 jobs

Archer Senior Manager, Loads & Dynamics

San Jose, CA

$207k–$259k / year

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

Redwood Materials Mechanical Design Engineer, Energy Storage

San Francisco, CA

$125k–$165k / year

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

Radiant Senior Thermal Modeling Analyst

El Segundo, CA

$140k–$225k / year

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

General Matter Mechanical Engineer (PE) - Paducah

Paducah, KY

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

Meta Mechanical Design Engineer, Robotics Sustaining Engineering

Redmond, WA

Job type: Mechanical & Physical Systems
Seniority: Senior
Sector: AI Research

Helion Energy Mechanical Engineer

Everett, WA

$120k–$182k / year

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

Sierra Space Propulsion Engineer I

Madison, WI

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

Joby Aviation Powertrain Mechanical Engineer, Battery

San Carlos, CA

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

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Xcimer Energy Optical Coatings Materials Scientist

Denver, CO

$140k–$170k / year

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

The Boring Company Engineering Internships - Summer 2027

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

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

Re:Build Manufacturing Senior Mechanical Engineer

Kalamazoo, MI · Merrimack, NH

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

Pacific Fusion Facilities Engineer

San Leandro, CA

$138k–$207k / year

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

Freeform Design Engineer (Aerospace and Defense Hardware)

Hawthorne, CA

$120k–$150k / year

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

Impulse Space Vehicle Engineering Intern (Summer 2027)

Redondo Beach, CA

$62k / year

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

Panthalassa Lead NX Design Engineer

Portland, OR

$120k–$180k / year

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

Stoke Space Senior Propulsion Engineer

Kent, WA · Washington, D.C.

$151k–$252k / year

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

Muon Space Senior Director of Spacecraft Structure & Mission Hardware

San Jose, CA

$223k–$259k / year

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

Anduril Industries Mechanical Engineer, Manufacturing Automation

Costa Mesa, CA

$115k–$171k / year

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

Nscale Design Manager

United Kingdom

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

Isar Aerospace Senior Thermal Engineer (m/f/d)

Germany

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

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

K2 Space Optical Systems Engineer

Los Angeles, CA

$140k–$280k / year

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

Saronic Staff Naval Architect

Austin, TX

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

Castelion Senior Materials & Process Engineer, Non-Metals

Torrance, CA

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

Zipline Aerodynamics Intern (Spring 2027)

South San Francisco, CA

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

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How many mechanical & physical systems jobs are on BuildList?: There are currently 2,588 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.