Last updated: 2025-11-05

386 Mechanical Engineering jobs in Los Angeles.

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Relativity Space

At Relativity Space, we’re building rockets to serve today’s needs and tomorrow’s breakthroughs. Our Terran R vehicle will deliver customer payloads to orbit, …

R&D Software Engineer - Robotics

Long Beach

  • Skills: additive manufacturing, robotics, 3D printing, Python, C#, C++, Rhino 3D, Grasshopper, CNC machining, multi-axis robotic arms
  • Level: senior
  • Type: full_time

SpaceX

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today Spa…

MECHANICAL ENGINEER (STARSHIP AVIONICS)

Hawthorne

  • Skills: avionics, thermal analysis, finite element analysis, mechanical design, electromechanical systems, CAD, design for manufacturability, high pressure environments, tolerance analysis, failure analysis
  • Level: mid
  • Type: full_time

True Anomaly

True Anomaly builds innovative technology at the intersection of spacecraft, software, and AI to enhance the capabilities of the U.S., its allies, and commerci…

Principal Mechanical Engineer (Individual Contributor)

Long Beach

  • Skills: mechanical engineering, CAD, spacecraft systems, mechanical design, satellites, GD&T, propulsion systems, mechanisms, production of space systems, team leadership
  • Level: senior
  • Type: full_time

Johnson & Johnson

At Johnson & Johnson, we believe health is everything. Our strength in healthcare innovation empowers us to build a world where complex diseases are prevented,…

Staff R&D Mechanical Engineer

Irvine

  • Skills: mechanical engineering, biomedical engineering, electrophysiology, catheter development, CAD software, design for manufacturing, product verification, healthcare innovation, data analysis, health safety compliance
  • Level: mid
  • Type: full_time

Relativity Space

At Relativity Space, we’re building rockets to serve today’s needs and tomorrow’s breakthroughs.

Additive Technology Engineer

Long Beach

  • Skills: additive manufacturing, finite element analysis, optimization algorithms, simulation workflows, metal components, programming, workflow automation, multi-disciplinary optimization, design constraints, structural analysis
  • Level: mid
  • Type: full_time

SpaceX

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today Spa…

Hardware Development Engineer (Avionics)

Hawthorne

  • Skills: avionics, mechanical design, environmental testing, 3D models, thermal analysis, sensor systems, reliability engineering, CAD, stress analysis, manufacturability
  • Level: mid
  • Type: full_time

Reflect Orbital

Engineering Intern (Spring 2025)

Hawthorne

  • Skills: Engineering, internship, spacecraft, design, development, analysis, manufacturing, testing, prototype, tools
  • Level: entry
  • Type: internship

Orbital Operations

At Orbital Operations, we’re building the future of dynamic space maneuvering. Our mission is to enable rapid-response orbital capabilities, executing maneuver…

Structures Design Engineer

Long Beach

  • Skills: structures design, aerospace engineering, CAD software, ANSYS, hardware integration, cryogenic propulsion, satellite defense, dynamic maneuvering, rocket design, fluid systems
  • Level: mid
  • Type: full_time

Archer

Archer is an aerospace company based in San Jose, California building an all-electric vertical takeoff and landing aircraft with a mission to advance the benef…

Senior CNC Programmer & Machinist

Huntington Beach

  • Skills: CNC programming, composite machining, fixture design, tooling strategies, multi-axis CNC, aviation, prototype development, technical manufacturing, inspection tools, CAD software
  • Level: senior
  • Type: full_time

Divergent

Divergent is a technology company that has architected, invented, built, and commercialized an end-to-end factory system called the Divergent Adaptive Producti…

Lead Weld Engineer

Torrance

  • Skills: weld engineering, automated welding, aerospace alloys, laser welding, MIG, TIG, friction stir welding, resistance welding, CAD, quality control
  • Level: senior
  • Type: full_time

Boeing

Boeing is an aerospace company and leading manufacturer of commercial jetliners, defense, space, and security systems.

Internship

Los Angeles

  • Skills: engineering, aerospace, manufacturing, cybersecurity, data science, IT, student internship, product support, innovation, teamwork
  • Level: intern
  • Type: internship

Divergent

Divergent is a technology company that has architected, invented, built, and commercialized an end-to-end factory system called the Divergent Adaptive Producti…

Responsible Engineer (Aerospace & Defense)

Torrance

  • Skills: Divergent Adaptive Production System, CAD models, FEA models, BOM, DFMEA, DVP, Siemens NX, Teamcenter, Nastran, LS-Dyna
  • Level: mid
  • Type: full_time

Relativity Space

At Relativity Space, we’re building rockets to serve today’s needs and tomorrow’s breakthroughs. Our Terran R vehicle will deliver customer payloads to orbit, …

Additive Technology Engineer

Long Beach

  • Skills: additive manufacturing, simulation-driven workflows, finite element analysis, structural optimization, metal components, topology optimization, generative design, AI, programming, workflow automation
  • Level: mid
  • Type: full_time

Divergent

Divergent is a technology company that has architected, invented, built, and commercialized an end-to-end factory system called the Divergent Adaptive Producti…

Manager, Manufacturing Engineer

Torrance

  • Skills: Divergent Adaptive Production System, additive manufacturing, manufacturing engineering, CAD software, Manufacturing Execution Systems, Product Lifecycle Management, Enterprise Resource Planning, automation, quality management systems, Lean Six Sigma
  • Level: mid
  • Type: full_time

Hermeus

Hermeus is a venture capital-backed aerospace and defense technology company. The business is focused on building high-speed products that sustainably deliver …

Loads and Dynamics Engineering Intern - Spring 2026

Los Angeles

  • Skills: aerospace, defense, high-speed, structural design, finite element analysis, dynamic simulations, aerodynamics, flutter, vibration environments, engineering principles
  • Level: intern
  • Type: internship

Vast

Vast is contributing to a future where billions of people are living and thriving in space by building artificial gravity space stations, allowing long-term st…

Electrical Engineer

Hawthorne

  • Skills: electronics design, circuit boards, engine controller, MATLAB, C++, jQuery, CAD, testing, problem-solving, geometric tolerancing
  • Level: mid
  • Type: full_time

Leonardo DRS, Inc.

Leonardo DRS develops, manufactures, and supports infrared and electro-optical solutions for soldiers, ground vehicles and airborne platforms.

Principal Mechanical Engineer (Thermal Analyst)

Cypress

  • Skills: thermal analysis, electro-optical, infrared systems, spacecraft systems, thermal control, heat transfer, Thermal Desktop, SINDA/FLUINT, Python, MATLAB
  • Level: senior
  • Type: full_time

Antares

Antares aims to make clean energy abundant from Earth to the Asteroid Belt, focusing on advanced nuclear energy solutions.

Mechanical Design & Integration Engineer - Space

Los Angeles

  • Skills: Mechanical Engineering, Aerospace, Nuclear Systems, CAD Integration, Power Conversion, Thermal Management, Design Reviews, Project Management, Materials Science, Cross-discipline Collaboration
  • Level: mid
  • Type: full_time

SQA Services

For nearly 30 years, SQA Services has been a leading provider of managed supplier quality services, offering audits, assessments, remote surveillance, correcti…

Quality Mechanical Inspector Level 2

Long Beach

  • Skills: precision inspection, mechanical parts, GD&T, dimensional validation, visual inspection, ITAR compliance, certificates of conformance, background check, manufacturing drawings, statistical lot sampling
  • Level: mid
  • Type: part_time

Skyworks Solutions

Skyworks is an innovator of high-performance analog semiconductors whose solutions are powering the wireless networking revolution. Through our broad technolog…

Director, Engineering - BAW Filter NPI

Irvine

  • Skills: BAW Filter, NPI, RF Engineering, Python, COMSOL, ANSYS, Machine Learning, Device Development, Fabrication Process, Process Development Vehicle
  • Level: senior
  • Type: full_time