Jobs/Roles/Mechanical & Physical Systems

Mechanical & Physical Systems Jobs

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

2,663 open roles · Updated Sep 25, 2026

2,663 jobs

Impulse Space Opto-Mechanical Engineer (Analysis)

Redondo Beach, CA

$120k–$180k / year

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

Anduril Industries Mass Properties Engineer, Air Vehicles

Costa Mesa, CA

$129k–$171k / year

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

Shield AI Manager, Propulsion (Fuel System) (R5088)

Seattle, WA · Washington, D.C.

$190k–$290k / year

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

SpaceX Mechanical Engineer (Starship Structures)

Starbase, TX

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

Relativity Space Facilities Engineer I

Stennis Space Center, MS

$79k–$119k / year

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

Rocket Lab Fluid Systems Intern Spring 2027

Long Beach, CA

$58k / year

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

Blue Origin Mechanical Engineer/Test Engineer - Pneumatic and Hydraulic Systems Development

Seattle, WA

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

Firefly Aerospace Director, Propulsion Engineering

Briggs, TX

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

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Rivian Sr. Staff Software Engineer, Pose, Localization & Calibration, Autonomy

Palo Alto, CA

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

Impulse Space Structural Dynamics Engineer

Redondo Beach, CA

$120k–$180k / year

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

Anduril Industries Senior Mechanical Engineer, Rocket Motor Systems

McHenry, MS

$113k–$149k / year

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

Shield AI Manager, Propulsion (Engine) (R5086)

Seattle, WA · Washington, D.C.

$190k–$290k / year

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

SpaceX Mechanical Engineer, Infrastructure

Starbase, TX

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

Relativity Space Staff Structures Engineer (Terran-R Vehicle)

Long Beach, CA

$164k–$246k / year

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

Rocket Lab Thermofluids Analyst

New Zealand

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

Blue Origin Engineer - GSE & Tooling III (fixed term)

Seattle, WA

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

Firefly Aerospace Principal Propulsion Engineer (Liquid Engines)

Briggs, TX

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

Rivian Sr. Staff Attributes Engineer

Irvine, CA

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

Anduril Industries Staff Propulsion Engineer, Air Vehicles (Solid Rocket Motor Integration)

Costa Mesa, CA

$220k–$292k / year

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

Shield AI Manager, Propulsion (Systems & Components) (R5087)

Seattle, WA · Washington, D.C.

$190k–$290k / year

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

SpaceX Mechanical Engineer - Satellite Solar Array (Starlink)

Redmond, WA

$100k–$165k / year

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

Relativity Space Staff Mechanical Engineer (Mechanisms)

Long Beach, CA

$164k–$246k / year

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

Rocket Lab Team Lead - Thermofluids Analysis

New Zealand

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

Blue Origin Thermal Design Engineer II - Lunar Permanence

Seattle, WA · Space Coast, FL · Huntsville, AL · Denver, CO · Los Angeles, CA

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

Firefly Aerospace Propulsion Engineer III

Cedar Park, TX

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

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How many mechanical & physical systems jobs are on BuildList?: There are currently 2,663 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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