Jobs/Roles/Mechanical & Physical Systems

Mechanical & Physical Systems Jobs

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

2,664 open roles · Updated Sep 26, 2026

2,664 jobs

SpaceX Sr. Mechanical Engineer (MEP/Construction)

Bastrop, TX

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

Relativity Space Principal COPV Engineer

Long Beach, CA

$185k–$277k / year

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

Rocket Lab Spacecraft Propulsion Components Engineer II

Long Beach, CA

$100k–$150k / year

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

Blue Origin Structural Design Engineer III

Space Coast, FL · Seattle, WA

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

Anduril Industries Thermal Design Engineer

Costa Mesa, CA

$112k–$149k / year

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

Shield AI Senior Engineer, Air Vehicle Fluid Systems (R4891)

Seattle, WA · Washington, D.C.

$130k–$200k / year

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

SpaceX New Graduate Engineer, Propulsion (Starship)

Starbase, TX

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

Relativity Space Hardware Development Engineer I

Long Beach, CA

$90k–$136k / year

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

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Rocket Lab Senior Spacecraft Propulsion Systems Engineer I

Long Beach, CA

$115k–$173k / year

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

Blue Origin Facilities Civil Engineer III

Space Coast, FL

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

Anduril Industries Senior Materials and Process Engineer, Rocket Motor Systems (Polymeric Ablatives)

Costa Mesa, CA

$146k–$194k / year

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

Shield AI Senior Engineer, Mechanisms (R4890)

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

$130k–$200k / year

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

SpaceX Fire Protection Engineer

Bastrop, TX

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

Relativity Space Senior Dynamic Environments Engineer

Long Beach, CA

$132k–$198k / year

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

Rocket Lab Team Lead - Ground Systems

New Zealand

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

Blue Origin Fluids Engineer II - Glenn Stage 2 Mid/Fwd

Seattle, WA

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

Anduril Industries Senior Materials & Process Engineer, Rocket Motor Systems (Polymeric Ablatives)

Huntsville, AL

$126k–$167k / year

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

Shield AI Senior Manager, Mechanisms Engineering (R4858)

Seattle, WA · Washington, D.C.

$220k–$330k / year

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

SpaceX Structural Engineer (Starlink)

Remote · Bastrop, TX

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

Relativity Space Manager, Propulsion Development Engineering

Long Beach, CA

$160k–$240k / year

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

Rocket Lab Principal Electric Propulsion Engineer

Long Beach, CA

$162k–$270k / year

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

Blue Origin Structural Engineer III - Thermal Hardware - Lunar Permanence

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

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

Anduril Industries Support System Lead

Costa Mesa, CA

$191k–$253k / year

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

Shield AI Power Electronics - Thermal Engineer I (R4842)

Seattle, WA · Washington, D.C.

$91k–$130k / year

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

SpaceX Materials Engineer, Polymer Development

Hawthorne, CA

$100k–$160k / year

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

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How many mechanical & physical systems jobs are on BuildList?: There are currently 2,664 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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