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 26, 2026

2,663 jobs

Blue Origin Structural Engineer III - Ground Support Equipment

Space Coast, FL · Seattle, WA

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

Anduril Industries Mechanical Engineer, Maritime

Costa Mesa, CA

$129k–$171k / year

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

SpaceX Mechanical Design Engineer (Falcon)

Hawthorne, CA

$100k–$130k / year

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

Relativity Space Staff Loads & Dynamics Engineer

Long Beach, CA

$164k–$246k / year

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

Rocket Lab Senior Optomechanical Engineer I/II

Pasadena, CA

$125k–$215k / year

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

Blue Origin Structural Analyst III – New Glenn

Space Coast, FL · Seattle, WA

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

Anduril Industries Senior Mechanical Engineer, Production - Anduril Expeditionary Systems

Costa Mesa, CA

$150k–$194k / year

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

SpaceX Structural Analyst (Raptor Combustion Devices)

Hawthorne, CA

$100k–$160k / year

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

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Relativity Space Aerothermal Engineer II

Long Beach, CA

$103k–$155k / year

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

Rocket Lab Principal Optical Engineer

Tucson, AZ

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

Blue Origin Materials and Processes (M&P) Engineer III – Mechanisms, Lunar Permanence

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

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

Anduril Industries Senior Structural Analyst, Space

Costa Mesa, CA

$146k–$194k / year

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

SpaceX Materials Engineer (Starlink)

Bastrop, TX

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

Relativity Space Staff Aerodynamics Engineer

Long Beach, CA

$164k–$246k / year

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

Rocket Lab Principal R&D Engineer

New Zealand

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

Blue Origin Fluid Systems & Propulsion Engineer I – Early Career (2026 starts)

Seattle, WA · Van Horn, TX · Huntsville, AL · Pensacola, FL

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

Anduril Industries Senior Structures Engineer

Costa Mesa, CA

$146k–$194k / year

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

SpaceX Civil/Structural Engineer

McGregor, TX

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

Relativity Space Principal Mechanical Engineer, Factory Automation

Long Beach, CA

$185k–$277k / year

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

Rocket Lab Optical Engineer II

Canada

$67k–$84k / year

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

Blue Origin Materials and Processes Engineer I - Early Career (2027 Starts)

Seattle, WA · Space Coast, FL · Huntsville, AL

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

Anduril Industries Mechanical Engineer, Subsystem Integration and Test

Costa Mesa, CA

$129k–$171k / year

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

SpaceX Civil Engineer, Land Development (Starship Infrastructure)

Cape Canaveral, FL

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

Relativity Space Staff Mechanical Engineer, Factory Automation

Long Beach, CA

$143k–$215k / year

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

Rocket Lab Turbomachinery Engineer II / Senior Turbomachinery Engineer I/II

Long Beach, CA

$126k–$176k / year

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