159 hardware mechanical engineer jobs at 55 companies in West Hollywood, CA

3mo
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Mechanical Engineer-Federal
Irvine or Pittsburgh
$70k-$300k/yr OnsiteFull Time
Field AI
Field AI: Develops autonomous software brains for robots in unstructured environments.
Mechanical Engineer with CAD, FEA, and field-ready hardware experience.
SolidWorks, Finite Element Analysis, CAD, Thermal modeling tools
2w
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Hardware Reliability Engineer, Mechanical (Starshield)
Hawthorne, California, United States
$100k-$160k/yr OnsiteFull Time
SpaceX
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
1+ YOEBachelor's in engineering,1+ years in process/manufacturing/reliability,knowledge of SPC/DOE/PFMEA,programming in Python/C/SQL,ability to obtain security clearance,and willingness to work extended hours and weekends.
Python, C, SQL
1mo
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Mechanical Engineer
Torrance, California, United States
OnsiteFull Time
Vital Lyfe
Vital Lyfe: Develops portable devices that produce clean drinking water anywhere.
1+ YOEBachelor's in engineering, 1+ years mechanical/electromechanical design experience, proficiency in CAD and FEA, hands-on hardware experience, ability to lift up to 50 lbs.
CAD, FEA
2mo
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Mechanical Engineer, Lead
Costa Mesa, California, United States
$191k-$253k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
7+ YOE3+ MgmtLead mechanical engineer with 7+ years of design and leadership experience; strong CAD, structures, thermal management, and hardware integration; BS/MS in Mechanical Engineering.
CAD, FEA, Thermal Management, Structures, Mechanisms, PLM, Solidworks, NX, GD&T
1mo
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Mechanical Engineer, Components
El Segundo, California, United States
$115k-$150k/yr OnsiteFull Time
Forge Atomics
Forge Atomics: A developer of advanced reactor technology working to scale nuclear fission for reliable, low‑carbon energy.
1+ YOEBachelor's in mechanical engineering or related,1+ years designing and building mechanical hardware,experience with fluid/gas/thermal systems and test instrumentation.
pressure transducers, thermocouples, resistance temperature detectors, relays, solenoid valves
20h
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Mechanical Engineer II
Pasadena, California, United States
$100k-$126k/yr OnsiteFull Time
Rocket Lab
Rocket LabNASDAQ: RKLB: Designs and builds launch vehicles and satellite systems.
2+ YOEBachelor's degree in mechanical, aerospace, mechatronics, robotics, or related engineering; 2+ years of mechanical engineering experience; SolidWorks or comparable CAD, GD&T, tolerance analysis, manufacturing, and hands-on hardware testing experience.
SolidWorks, GD&T, finite element analysis
20h
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Mechanical Engineer II
Pasadena, California, United States
$100k-$126k/yr OnsiteFull Time
Rocket Lab
Rocket LabNasdaq: RKLB: Operates launch vehicles and manufactures satellites for space missions.
2+ YOEBachelor's degree in mechanical, aerospace, mechatronics, robotics, or related engineering; 2+ years of mechanical engineering experience; SolidWorks or comparable CAD, GD&T, tolerance analysis, manufacturing, and hands-on hardware testing experience.
SolidWorks, CAD, GD&T, finite element analysis
2mo
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Mechanical Design Engineer
Torrance or Los Angeles
$95k-$129k/yr OnsiteFull Time
Northwood Space
Northwood Space: Manufacturing ground stations and providing satellite communication infrastructure.
2+ YOEBachelor’s in Mechanical or Aerospace Engineering; 2-4+ years hardware design; concept to production; manufacturability; thermal, materials, and structural design.
Siemens NX, ANSYS
1w
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Senior Mechanical Engineer
Torrance or Los Angeles
$155k-$200k/yr OnsiteFull Time
GITAI
GITAI: Developing autonomous robotic systems for labor in space.
7+ YOEBachelor's degree or higher in mechanical, aerospace, or related engineering; 7+ years developing complex hardware; expertise in mechanical design, GD&T, materials, manufacturing, structural analysis, and system tradeoffs.
CAD, GD&T, ITAR
2mo
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Mechanical Engineer III
Hawthorne, California, United States
$125k-$155k/yr OnsiteFull Time
Quantum Space
Quantum Space: Developing maneuverable spacecraft platforms for defense and commercial missions.
5+ YOEBS/MS in Mechanical Engineering, 5+ years hardware development experience (aerospace preferred), proficiency in Creo, GD&T (ASME Y14.5), structural and thermal analysis, lifecycle hardware ownership, and leadership of technical efforts.
Creo, ASME Y14.5, ANSYS, Nastran, Windchill
1mo
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Mechanical Engineer II
Redondo Beach, California, United States
$110k-$140k/yr OnsiteFull Time
Impulse Space
Impulse Space: Developing in-space transportation services and orbital transfer vehicles.
3+ YOEBachelors in engineering,3+ years mechanical design experience,proficiency in CAD,FEA,and hardware fabrication/testing; strong communication and cross-team collaboration skills.
CAD, Finite Element Analysis (FEA), GD&T
1mo
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Sr. Mechanical Engineer
Irvine, California, United States
$105k-$155k/yr OnsiteFull Time
Terran Orbital
Terran OrbitalNYSE: LMT: Manufactures modular spacecraft for aerospace and defense missions.
5+ YOEB.S. or M.S. in Mechanical/Aerospace Engineering,5+ years designing complex mechanical systems,experience with SolidWorks/Creo,GD&T (ASME Y14.5),hardware build/test experience,and U.S. citizenship with clearance eligibility.
SolidWorks, Creo
2mo
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Principal Mechanical Engineer
El Segundo or Los Angeles or Washington or San Francisco or San Diego or Seattle or London
$170k-$240k/yr OnsiteFull Time
CHAOS Industries
CHAOS Industries: Develops advanced radar and sensing systems for modern defense.
10+ YOEBachelor's in Mechanical Engineering, 10+ years mechanical design/integration for electronic hardware in aerospace/defense, strong CAD (SolidWorks), GD&T, FEA/thermal analysis experience, and ability to obtain U.S. security clearance.
SolidWorks, NASTRAN, ABAQUS, ANSYS, COMSOL, CFD
1mo
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Engineer - Mechanical II
Altadena, California, United States
$99k-$139k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
2+ YOEB.S. in Mechanical/Aerospace Engineering,2+ years developing and testing complex hardware,mechanism design and hands-on prototyping,CAD and analysis proficiency,ability to lead development through product lifecycle,US work authorization required.
Autodesk Inventor, ANSYS
3mo
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LWIR Optical Hardware / Opto-Mechanical Engineer
Los Angeles, California, United States
OnsiteFull Time
Furientis
Furientis: Develops cost-effective, high-volume interceptor missile systems.
7+ YOE7+ years IR/precision optical hardware design and integration; B.S. in relevant field (M.S. preferred); proficiency with Zemax/Code V, SolidWorks/NX/Creo, optical metrology, athermal design, environmental qualification per MIL-STD-810; U.S. Person required.
Zemax, Code V, SolidWorks, NX, Creo, ASME Y14.5, GD&T, Fizeau, Twyman-Green, FRED, ASAP, TracePro, Claude Code, Codex, OpenCode, Kilo, SBC/SoM, MIL-STD-810
2mo
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Senior Mechanical Engineer
Torrance or Los Angeles
$150k-$180k/yr OnsiteFull Time
Arc
Arc: Designing and manufacturing high-performance electric watercraft.
4+ YOERequires 4+ years owning mechanical or electromechanical systems through production, structural and thermal engineering fundamentals, CAD and analysis tools, manufacturing knowledge, and hands-on hardware troubleshooting.
NX, CATIA, SolidWorks, MATLAB, Simulink, FEA, CNC, GD&T
2mo
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Founding Mechanical Engineer
Los Angeles, California, United States
$135k-$215k/yr HybridFull Time
Pillar Space
Pillar Space: Building high-stakes, flight-grade autonomous space hardware systems.
2+ YOEBachelor's in mechanical/aerospace engineering, 2+ years designing and testing complex mechanical or electromechanical hardware, proficiency with professional CAD (NX, CATIA, Creo, SolidWorks), hand calculations, tolerance analysis and FEA, GD&T and ASME Y14.5 familiarity, hands-on prototyping experience.
NX, CATIA, Creo, SolidWorks, PLM
1mo
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Mechanical Engineer
El Segundo or Mojave
$100k-$160k/yr OnsiteFull Time
Icarus
Icarus: Builds solar-powered aircraft for stratospheric intelligence and connectivity.
1+ YOE1+ years designing, analyzing, or building mechanical hardware; strong fundamentals in structures and materials; experience with lightweight structures, composites, sheet metal, or bonded assemblies; hands-on factory and field experience; end-to-end subsystem ownership.
2d
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Senior Mechanical Engineer, Spacecraft
Denver or Long Beach or Colorado Springs
$135k-$200k/yr HybridFull Time
True Anomaly
True Anomaly: Develops autonomous spacecraft and software for space security missions.
6+ YOEBachelor's degree in mechanical engineering or related discipline; 6–14 years of mechanical design experience with spacecraft hardware, CAD proficiency in NX or SolidWorks, GD&T expertise, and configuration management experience.
NX, Siemens, SolidWorks, Teamcenter, Windchill, NASTRAN, Ansys, MES, PLM, GD&T, PDR, CDR, TRR, FEA, COTS, NASA-STD-5001, GEVS, MIL-SPEC, AIAA S-110
3w
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Senior Mechanical Engineer
Torrance, California, United States
$135k-$165k/yr OnsiteFull Time
Verustruct
Verustruct: Developing robotic construction systems to automate housing production.
7+ YOE7+ years mechanical design experience in robotics or complex hardware, strong CAD fluency (Siemens NX preferred), prototyping and test experience, understanding of mechanisms, materials, manufacturability, and deployment track record.
Siemens NX, CAD, FEA

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