Jobs/Roles/Mechanical & Physical Systems

Mechanical & Physical Systems Jobs

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

2,607 open roles · Updated Sep 24, 2026

2,607 jobs

Impulse Space Senior Mechanical Engineer (Kick Stage)

Redondo Beach, CA

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

Anduril Industries Senior Aviation Maintenance Engineer

Las Vegas, NV

$85k–$110k / 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

Zipline Senior Mechanical Simulation Engineer – Avionics & Electronics Packaging

South San Francisco, CA

$130k–$180k / year

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

CesiumAstro Principal Launch Vehicle Design Engineer II

El Segundo, CA

$149k–$199k / year

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

Firefly Aerospace Launch Engineer I (Fluids Mechanical)

Vandenberg Space Force Base, CA

$94k–$107k / year

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

SpaceX Design Criteria Engineer (Starship)

Starbase, TX

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

Relativity Space Senior Manager, Civil Engineering

Stennis Space Center, MS

$163k–$245k / year

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

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Rocket Lab Systems Engineer - Mechanical

New Zealand

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

Nvidia Senior Network Architect, Advanced Packaging

Israel

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

Blue Origin Sr Structural Analyst - New Glenn Upper Stage Development

Seattle, WA · Space Coast, FL · Denver, CO

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

Rivian Sr. Manager Durability CAE

Irvine, CA

$196k–$245k / year

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

Radiant Principal Turbomachinery Engineer

El Segundo, CA

$201k–$314k / year

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

Impulse Space Senior Mechanical Engineer (Avionics)

Redondo Beach, CA

$140k–$180k / year

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

Anduril Industries Mechanical Engineer, Rocket Motor Systems

McHenry, MS

$99k–$131k / year

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

Zipline Aerodynamics Manager

South San Francisco, CA

$200k–$265k / year

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

Firefly Aerospace Fluids GSE Design Engineer II

Briggs, TX

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

SpaceX Thermal Control and Life Support Hardware Engineer (Crew Starship)

Starbase, TX

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

Relativity Space Senior Manager, Construction Engineering

Stennis Space Center, MS

$163k–$245k / year

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

Rocket Lab Turbomachinery Intern Spring 2027

Long Beach, CA

$58k / year

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

Nvidia Manager, Mechanical Engineering

Israel

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

Blue Origin Senior Manager, Blue Ring Structures & Analysis

Seattle, WA · Huntsville, AL · Denver, CO · Los Angeles, CA · Reston, VA

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

Rivian Staff Thermal Attributes Engineer

Irvine, CA

$154k–$193k / year

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

Radiant Build Engineer, Turbomachinery

El Segundo, CA

$158k–$219k / year

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

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Frequently asked questions

How many mechanical & physical systems jobs are on BuildList?: There are currently 2,607 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.