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.

788 open roles · Updated Sep 20, 2026

788 jobs

Umbra Senior/Staff Mechanical Engineer

Santa Barbara, CA

$180k–$220k / year

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

Wardstone Engineering Intern - Space and Missile Defense

Los Angeles, CA

$72k–$120k / year

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

Arbor Energy Sr. Thermodynamics Performance Engineer

El Segundo, CA

$165k–$180k / year

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

GrayMatter Robotics Sr. Robotics Design Engineer: Government Projects

Los Angeles, CA

$140k–$175k / year

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

Parallel Systems Senior Mechanical Engineer

Los Angeles, CA

$150k–$183k / year

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

Furientis Senior Opto-Mechanical Engineer

Los Angeles, CA

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

AstroForge Thermal Engineer

Seal Beach, CA

$125k–$211k / year

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

Icarus Mechanical Engineer

El Segundo, CA

$100k–$160k / year

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

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Mesh Optical Senior Mechanical Engineer

Gardena, CA

$140k–$180k / year

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

Rangeview Mechanical Automation / Equipment Engineer

El Segundo, CA

$90k–$154k / year

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

Starpath Intern/Associate Engineer - All Roles

Hawthorne, CA

$70k–$90k / year

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

Multiply Labs Robotics Field Engineer

Los Angeles, CA

$90k–$160k / year

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

Heaviside Industries Principal Aerodynamics Engineer

Los Angeles, CA

$200k–$270k / year

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

Endeavor Optical Networks Optomechanical Engineer - All Levels

Culver City, CA

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

Cover Senior Project Architect

Gardena, CA

Job type: Mechanical & Physical Systems
Seniority: Senior
Sector: Construction & Housing

Arc Boats Senior Battery Mechanical Engineer

Torrance, CA

$150k–$180k / year

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

Olympian Motors Vehicle Engineering (Full-Stack)

Los Angeles, CA

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

Argo Space Mechanical Engineer

El Segundo, CA

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

Volund Manufacturing Turbine Engine Designer

Huntington Beach, CA

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

Heart Aerospace Staff/Principal Mechanical Design Engineer, Flight Mechanisms

Los Angeles, CA

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

Path Robotics Welding Engineer - NAVSEA Specialist

Los Angeles, CA

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

Durin Mechanical Engineer

El Segundo, CA

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

Hadrian Materials Engineer, Additive Manufacturing

Los Angeles, CA

$150k–$220k / year

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

Anduril Industries Senior DFx Engineer, Mechanical & Fluid Systems

Costa Mesa, CA

$146k–$194k / year

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

K2 Space Senior Satellite Mechanical Engineer, Optical Structures

Los Angeles, CA

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

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Frequently asked questions

How many mechanical & physical systems jobs are in Los Angeles?: There are currently 788 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 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.