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

Antares Materials Engineer - Metallurgy

Los Angeles, CA

$115k–$150k / year

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

AMCA Junior Propulsion Component Engineer

El Segundo, CA

$100k–$130k / year

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

Shinkei Systems Mechanical Engineer

El Segundo, CA

$125k–$175k / year

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

General Matter Summer 2027 Internship - Mechanical Engineering (HVAC)

Los Angeles, CA

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

Vast Mechanisms Engineer

Long Beach, CA

$112k–$230k / year

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

Divergent Mechanical Engineer II, Factory Automation

Torrance, CA

$96k–$204k / year

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

Astrolab Lead Mechanical Engineer, Vehicle Engineering

Hawthorne, CA

$157k–$190k / year

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

Cambium USA Vice President, Counter Laser & Directed Energy

El Segundo, CA

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

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Observable Space Mechanical Engineer

Los Angeles, CA

$100k–$140k / year

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

Mach Industries Spring 2027 Engineering Internship

Huntington Beach, CA · San Luis Obispo, CA · Victorville, CA

$62k–$114k / year

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

Salient Motion Principal Mechanical Engineer

Torrance, CA

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

GITAI Senior Mechanical Engineer

Los Angeles, CA

$155k–$200k / year

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

Rainmaker Lead, Mechanical Engineering

El Segundo, CA

$120k–$150k / year

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

Freeform Factory Infrastructure Engineer

Los Angeles, CA

$100k–$140k / year

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

General Galactic Fluids Engineer

El Segundo, CA

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

Vital Lyfe Mechanical Engineer

Torrance, CA

$95k–$140k / year

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

Tiberius Aerospace Structural Engineer

Orange County, CA

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

Outpost Space Mechanical Engineer

Los Angeles, CA

$125k–$160k / year

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

Wardstone Mechanical & Structural Engineer

El Segundo, CA

$100k–$160k / year

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

Arbor Energy Thermodynamics Performance Engineer

El Segundo, CA

$140k–$155k / year

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

GrayMatter Robotics Staff Mechatronics Engineer

Los Angeles, CA

$170k–$200k / year

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

Furientis Senior Mechanical Engineer

Los Angeles, CA

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

AstroForge Mechanical Engineer, Spacecraft Design

Seal Beach, CA

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

Icarus Engineer (Formula SAE Track)

El Segundo, CA

$100k–$160k / year

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

Mesh Optical Mechanical Integration & Test Engineer

Gardena, CA

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

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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.