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149 hardware mechanical engineer jobs at 51 companies in Compton, CA

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Mechanical Engineer
Los Angeles, California, United States
$125k-$150k/yr OnsiteFull Time
Parallel Systems
Parallel Systems: Building autonomous battery-electric rail vehicles for freight transportation.
1+ YOEBachelor’s in Mechanical Engineering; 1-3 years of experience; strong CAD skills; hands-on hardware design.
SolidWorks, CATIA, Siemens NX
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Mechanical Engineer
Irvine, California, United States
$127k-$160k/yr OnsiteFull Time
ICEYE
ICEYE: Operates synthetic aperture radar (SAR) satellite constellations.
7+ YOE7+ years mechanical design for space hardware; BS in Mechanical or Aerospace Engineering; strong CAD skills; thermal, structural analysis; manufacturing knowledge.
SolidWorks, Creo, CATIA
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2mo
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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
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2w
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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
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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
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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
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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
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Thermal Hardware Engineer III - Lunar Permanence
Space Coast or Huntsville or Denver or Greater Seattle Area or Los Angeles
OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
3+ YOEBS in mechanical or aerospace engineering; 3-5 years in thermal engineering; hardware testing experience; knowledge of aerospace hardware verification and validation; ability to build trust and collaborate.
Thermal Desktop, Sinda/Fluint, patch heaters, multilayer insulation, temperature sensors
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Mechanical Engineer
Huntington Beach, California, United States
$105k-$180k/yr OnsiteFull Time
Mach Industries
Mach Industries: Designs and manufactures autonomous unmanned aerial vehicles for defense.
1+ YOE1+ year mechanical design/prototyping; 3D CAD; Bachelor’s in ME/AE/EE; hands-on hardware development.
NX, SolidWorks, Python, MATLAB, C++
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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
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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
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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
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Senior Mechanical Engineer
Los Angeles or Hawthorne
$110k-$200k/yr OnsiteFull Time
Freeform
Freeform: Deploys autonomous AI-powered metal 3D printing factories.
5+ YOEBachelor’s in mechanical engineering; 5+ years in mechanical design; CAD with GD&T; hands-on hardware development; systems-level thinker.
CAD, GD&T, Engineering drawing
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2mo
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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
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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
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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.
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Senior Mechanical Engineer
Torrance, California, United States
$160k-$190k/yr OnsiteFull Time
Salient Motion
Salient Motion: Develops modular electromechanical actuation systems for aerospace and defense.
5+ YOEBachelor's in Mechanical/Aerospace Engineering, 5+ years full product-lifecycle experience, SolidWorks and GD&T fluency, experience qualifying hardware to DO-160/MIL-STD-810, hands-on build/test experience; must be U.S. citizen or permanent resident.
SolidWorks, ASME Y14.5 GD&T, DO-160, MIL-STD-810, AGMA Standards
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Principal Hardware Engineer, AI Systems
Redmond or Mountain View or Hillsboro or Raleigh or Austin or Boise or Aliso Viejo or San Diego
$143k-$275k/yr HybridFull Time
Microsoft
MicrosoftNASDAQ: MSFT: Develops software, services, devices, and cloud computing solutions.
7+ YOEMaster's+7 years or Bachelor's+8 years (or equivalent) in engineering, deep system expertise in power/thermal/mechanical, experience delivering AI/GPU systems, ability to pass Microsoft cloud background screening.
PCIe, DDR, Ethernet, BIOS, BMC, Linux, Windows
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Mechanical Engineer, Thermal Control Systems II
Long Beach, California, United States
$112k-$159k/yr OnsiteFull Time
Vast
Vast: Develops and operates commercial artificial-gravity space stations.
5+ YOEBachelor's in mechanical engineering; 5+ years hardware experience with fluid systems; design, fabrication, testing experience.
NX, GD&T, ANSYS, FEMAP
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Senior/Principal Mechanical Engineer
Hawthorne, California, United States
$140k-$200k/yr OnsiteFull Time
Starpath
Starpath: Manufacturing space-rated solar hardware and lunar mining robotics.
5+ YOEB.S. in Mechanical/Aerospace Engineering,5+ years space hardware experience,proficiency with NX/Catia/SolidWorks and ANSYS/ABAQUS,materials and manufacturing knowledge,structural analysis,and strong technical communication;US export eligibility required.
NX, Catia, SolidWorks, ANSYS, ABAQUS
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