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

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, Infrastructure 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 IC Packaging Engineer

Israel

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

Blue Origin Materials and Processes (M&P) Sr. Engineer, Crew Habitation – Lunar Permanence

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

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

Firefly Aerospace Propulsion Engineer II (Spacecraft Fluids)

Cedar Park, TX

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

Rivian Sr. Lubrication Engineer

Plymouth, MI

$99k–$123k / year

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

Radiant Senior Reactor Operations Engineer

El Segundo, CA

$134k–$185k / year

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

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Impulse Space Senior Mechanical Engineer (Avionics)

Redondo Beach, CA

$140k–$180k / year

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

Anduril Industries Mechanical Design Engineer

Australia

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

Shield AI Engineer II, Structural Analysis (R4952)

Seattle, WA · Washington, D.C.

$100k–$160k / year

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

Zipline Senior Mechanical Engineer - Stress Analysis

South San Francisco, CA

$145k–$220k / year

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

SpaceX Construction Project Manager

Starbase, TX

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

Relativity Space Lead, Engine Assembly Design

Long Beach, CA

$136k–$204k / year

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

Rocket Lab Fluid Systems Intern Summer 2027

Long Beach, CA

$58k / year

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

Nvidia Senior Mechanical Design Engineer

Israel

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

Blue Origin CAD Drafter II - Cryo Fluids & Propulsion - MK2 Crewed Lunar Lander

Seattle, WA · Denver, CO

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

Firefly Aerospace Structures Engineer II (Spacecraft)

Cedar Park, TX

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

Rivian Manager, Battery Cell Safety

Tustin, CA

$138k–$172k / year

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

Radiant Senior Mechanical Engineer – Turbomachinery Rotordynamics

El Segundo, CA

$158k–$219k / year

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

Impulse Space Propulsion Engineering Intern (Summer 2027)

Redondo Beach, CA

$62k / year

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

Anduril Industries Stress Analysis Engineer, Maritime Structures

Santa Ana, CA

$129k–$171k / year

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

Shield AI Aerostructures Design Engineer II (R5156)

Seattle, WA · Washington, D.C.

$108k–$160k / year

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

Zipline Mechanical Engineering Manager, Dropbox

South San Francisco, CA

$195k–$245k / year

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

SpaceX Build Engineer (Enterprise Products)

Redmond, WA

$125k–$200k / year

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

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Frequently asked questions

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.
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.