Jobs/Mechanical & Physical Systems/Los Angeles

Mechanical & Physical Systems Jobs in Los Angeles

Mechanical & Physical Systems roles at companies building the future — in Los Angeles.

995 open roles · Updated 9/6/2026

995 jobs

Relativity Space Senior Vehicle Structures Engineer

Long Beach, CA

$132k–$198k / year

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

Relativity Space Senior Mechanical Engineer (Mechanisms)

Long Beach, CA

$132k–$198k / year

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

Relativity Space Senior Electro-Mechanical Engineer

Long Beach, CA

$132k–$198k / year

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

Apex Space Thermal Engineering Internship (Spring or Summer 2027)

Los Angeles, CA

$94k / year

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

Relativity Space Staff Mechanisms Engineer

Long Beach, CA

$164k–$246k / year

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

Relativity Space Senior Mechanisms Engineer

Long Beach, CA

$132k–$198k / year

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

AMCA Mechanical Engineering Intern (Summer 2027)

El Segundo, CA

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

Relativity Space Staff Engineer - Launch Fluids Engineering

Long Beach, CA

$150k–$226k / year

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

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Vast Avionics Senior Mechanical Engineer

Long Beach, CA

$138k–$196k / year

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

Arc Boats Senior Battery Mechanical Engineer

Torrance, CA

$150k–$180k / year

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

Rivian Early Career - Mechanical Design Engineer, Interior Trim

Irvine, CA

$86k–$107k / year

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

Divergent Mechanical Engineer II, Factory Automation

Torrance, CA

$96k–$204k / year

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

Rivian Team Lead, Service BOM Engineering

Irvine, CA

$108k–$135k / year

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

Rainmaker Mechanical Engineer

El Segundo, CA

$95k–$120k / year

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

SpaceX New Graduate Engineer, Starship Components

Hawthorne, CA

$100k–$130k / year

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

CesiumAstro Mechanical Engineer I

El Segundo, CA

$86k–$101k / year

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

Rainmaker Lead, Mechanical Engineering

El Segundo, CA

$120k–$150k / year

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

Rivian Senior Engineer, Structural Safety (CAE)

Irvine, CA

$135k–$169k / year

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

Apex Space Mechanical Engineering Internship (Spring or Summer 2027)

Los Angeles, CA

$94k / year

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

Rivian Service Engineer II, Exteriors

Irvine, CA

$86k–$107k / year

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

Radiant Senior Tooling Engineer

El Segundo, CA

$134k–$185k / year

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

Vast Mechanical Engineer, Structures

Long Beach, CA

$86k–$159k / year

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

Apex Space Senior Electric Propulsion Engineer

Los Angeles, CA

$165k–$220k / year

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

Relativity Space Staff Avionics Mechanical Engineer

Long Beach, CA

$150k–$226k / year

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

Vast Propulsion Engineer - Mechanical Design

Long Beach, CA

$138k–$265k / year

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

25 of 995 shown

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Frequently asked questions

How many mechanical & physical systems jobs are in Los Angeles?: There are currently 995 open mechanical & physical systems roles in Los Angeles on BuildList, refreshed hourly from company career pages.
What companies hire mechanical & physical systems talent in Los Angeles?: The live list includes ambitious companies building the future across AI, defense, aerospace, robotics, energy, and more. Sort and filter the openings to compare employers, levels, sectors, and stages.
Are there remote mechanical & physical systems jobs outside Los Angeles?: Yes. BuildList has a dedicated remote mechanical & physical systems view for roles companies explicitly mark as remote. Regional restrictions can still apply.
How do I apply for mechanical & physical systems jobs in Los Angeles?: 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.