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.

789 open roles · Updated Sep 20, 2026

789 jobs

Hadrian Mechatronics Engineer

Los Angeles, CA

$139k–$240k / year

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

Anduril Industries Mechanical Engineer, Space Emerging Talent

Costa Mesa, CA

$86k–$114k / year

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

K2 Space Senior Thermal Design Engineer

Los Angeles, CA

$140k–$250k / year

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

True Anomaly Thermal Engineer (Senior or Staff)

Denver, CO · Long Beach, CA

$160k–$285k / year

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

Castelion Senior R&D Technician - Mechanisms

Torrance, CA

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

Impulse Space Propulsion Component Engineer

Redondo Beach, CA

$100k–$155k / year

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

Neros Senior Mechanical Engineer

Torrance, CA

$152k–$213k / year

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

CesiumAstro Senior Valve Design Engineer I

El Segundo, CA

$118k–$142k / year

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

Weekly jobs, picked for you.

Weekly jobs and company news, tailored to your preferences. Confirm your email to subscribe.

Singularity Mechanical Design Engineer (Structures) Level 2

Gardena, CA

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

Field AI Mechanical Engineer, Robotics Hardware

Irvine, CA

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

CHAOS Industries Mechanical Engineer

El Segundo, CA

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

Fluidstack Mechanical Engineer, R&D Team Lead

Austin, TX · New York, NY · San Francisco, CA · Los Angeles, CA · Seattle, WA

$194k–$237k / year

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

Inversion Senior Thermal Structures Engineer

Playa Vista, CA

$137k–$193k / year

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

Varda Space Senior Mechanisms Engineer - Payloads

El Segundo, CA

$140k–$179k / year

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

Hermeus Senior Mechanisms Engineer

Los Angeles, CA

$139k–$187k / year

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

SpaceX HVAC Technician (Facilities) - 1st Shift

Hawthorne, CA

$48k–$106k / year

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

Relativity Space Staff Materials & Processes Engineer, Fluid Systems

Long Beach, CA

$150k–$226k / year

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

Rocket Lab Mechanical Engineering Intern Summer 2027

Long Beach, CA

$58k / year

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

Blue Origin Pumps Fluids Analyst Sr – Lunar Permanence

Seattle, WA · Space Coast, FL · Denver, CO · Los Angeles, CA

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

Radiant 2027 New Graduate - Thermal Engineer

El Segundo, CA

$105k–$130k / year

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

Rivian Lead Global Supply Manager - Interiors, Seating & Restraints, Exteriors & Lighting, Closures

Irvine, CA

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

Antares Senior Thermo-Mechanical Engineer

Los Angeles, CA

$115k–$185k / year

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

AMCA Mechanical Engineering Manager

El Segundo, CA

$160k–$220k / year

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

Shinkei Systems R&D Mechanical Engineering Associate - Mechanical Design, Build and Test

El Segundo, CA

$85k–$100k / year

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

General Matter Summer 2027 Internship - Mechanical Engineering

Los Angeles, CA

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

Related searches

All Mechanical & Physical Systems jobs All jobs in Los Angeles Mechanical & Physical Systems salaries Mechanical & Physical Systems in Seattle Mechanical & Physical Systems in SF Bay Area Mechanical & Physical Systems in Denver Mechanical & Physical Systems in Austin Mechanical & Physical Systems in Orlando Software & Data in Los Angeles Manufacturing & Production in Los Angeles Electrical & Firmware in Los Angeles Test, Quality, & Reliability in Los Angeles Product, Programs, & Systems in Los Angeles Supply Chain & Procurement in Los Angeles

Frequently asked questions

How many mechanical & physical systems jobs are in Los Angeles?: There are currently 789 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.