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

Hadrian Mechanical Design Engineer

Los Angeles, CA

$120k–$165k / year

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

Anduril Industries Thermal Engineer, Thermal Protection Systems (TPS)

Costa Mesa, CA

$129k–$171k / year

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

K2 Space Senior Mechanical Engineer (Propulsion)

Los Angeles, CA

$140k–$175k / year

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

True Anomaly Senior Mechanical Engineer, Spacecraft

Denver, CO · Long Beach, CA

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

Castelion Senior Warhead Design Engineer

Torrance, CA

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

Impulse Space Opto-Mechanical Engineering Intern (Summer 2027)

Redondo Beach, CA

$67k / year

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

Neros Mission Integration Specialist

Torrance, CA

$68k–$95k / year

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

Valar Atomics Director of ModSim

Torrance, CA

$225k–$300k / year

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

Weekly jobs, picked for you.

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

CesiumAstro Mechanical Engineer I

El Segundo, CA

$86k–$101k / year

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

Northwood Mechanical Engineering Intern (2027 Summer Internship)

Torrance, CA

$75k / year

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

Singularity Senior Mechanical Design Engineer

Gardena, CA

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

Harbinger Fastener Engineer

Garden Grove, CA

$140k–$180k / year

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

Apex Space Launch Engineer

Los Angeles, CA

$125k–$175k / year

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

Field AI Industrial Design & HRI Engineer, Robotics Hardware

Irvine, CA

$100k–$200k / year

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

CHAOS Industries Senior Mechanical Engineer

El Segundo, CA

$140k–$176k / year

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

Skyryse Human Factors Engineer

El Segundo, CA

$100k–$180k / year

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

Fluidstack Rack Systems Architect, Technical Lead

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

$208k–$263k / year

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

Inversion Avionics Mechanical Engineer I

Playa Vista, CA

$77k–$116k / year

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

Varda Space Principal Fluid Systems Engineer - Payloads

El Segundo, CA

$182k–$232k / year

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

Layup Parts Director of Mechanical Engineering

Huntington Beach, CA

$190k–$240k / year

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

SpaceX Dynamics Engineer (Falcon & Dragon)

Hawthorne, CA

$100k–$130k / year

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

Relativity Space Senior Construction Design Engineer

Long Beach, CA

$122k–$182k / year

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

Rocket Lab Propulsion Analyst Intern Summer 2027

Long Beach, CA

$58k / year

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

Swarm Aero Structures Design Engineer, Aiframe

Oxnard, CA

$155k–$240k / year

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

Blue Origin Senior Manager, Deployable Structures and Separation Systems – Lunar Core Components Mechanical Team

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

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

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 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.