42 hardware mechanical engineer jobs at 19 companies in Lancaster, CA

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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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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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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
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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 (Propulsion)
Los Angeles, California, United States
$150k-$187k/yr OnsiteFull Time
Apex
Apex: Mass-manufactures standardized satellite buses for commercial and government use.
8+ YOE8+ years mechanical/fluid hardware experience; propulsion design/analysis; CAD (NX); flight hardware qualification.
NX, CAD
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Electro-Mechanical Systems Engineer
Monrovia, California, United States
$70k-$110k/yr OnsiteFull Time
ChromoLogic
ChromoLogic: Develops and commercializes disruptive medical, aerospace, and security technologies.
Bachelor's or Master's in engineering, hands-on experience integrating mechanical/electrical/material systems, SolidWorks and FEA proficiency, ability to build and test hardware prototypes, strong problem-solving and documentation skills.
SolidWorks, FEA, CAD
3w
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Manager, Mechanical Engineering
Pasadena, California, United States
$142k-$189k/yr OnsiteFull Time
Rocket Lab
Rocket LabNasdaq: RKLB: Operates launch vehicles and manufactures satellites for space missions.
8+ YOEDegree in Mechanical/Aerospace/Mechatronics/Robotics,8+ years mechanical engineering experience delivering high-reliability or spaceflight hardware,management experience,SolidWorks proficiency,and hands-on design, test, and integration skills.
SolidWorks
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Senior Design Engineer (Advanced Energy Hardware)
Hawthorne or El Segundo or Los Angeles
$150k-$200k/yr OnsiteFull Time
Freeform
Freeform: Deploys autonomous AI-powered metal 3D printing factories.
5+ YOEBachelor's in mechanical engineering, 5+ years hands-on engineering experience in power or advanced energy industries, ability to lead hardware programs, expertise in turbomachinery/thermal/fluid/pressure-bearing hardware, strong communication and first-principles reasoning.
3w
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Manager, Mechanical Engineering
Pasadena, California, United States
$142k-$189k/yr OnsiteFull Time
Rocket Lab
Rocket LabNASDAQ: RKLB: Designs and builds launch vehicles and satellite systems.
8+ YOEDegree in mechanical/aerospace/mechatronics/robotics,8+ years mechanical engineering experience with leadership,proven spaceflight/high-reliability hardware delivery,SolidWorks proficiency,and hands-on assembly/test experience.
SolidWorks
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Product Design Engineer, Amazon Devices-Hardware
Sunnyvale or Los Angeles County
$135k-$185k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
3+ YOEBachelor's in mechanical engineering, 3+ years mechanical engineering experience, 3D CAD, component/module integration, product validation and statistical analysis; travel ~15%.
3D CAD, Six Sigma, DOE, AI
2mo
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Manufacturing Engineer
Victorville, California, United States
$85k-$170k/yr OnsiteFull Time
Mach Industries
Mach Industries: Designs and manufactures autonomous unmanned aerial vehicles for defense.
1+ YOE1+ years in mechanical engineering with focus on designing/prototyping mechanical systems; strong CAD (NX/SolidWorks); programming (Python, MATLAB, C++); Bachelor in Mechanical, Aerospace, or Electrical Engineering; hands-on hardware development experience.
NX, SolidWorks, Python, MATLAB, C++
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Mechanical Engineering Intern / Co-op
Torrance or Mojave
$25-$40/hr OnsiteMultiple Commitments Available
GITAI
GITAI: Developing autonomous robotic systems for labor in space.
1+ YOECurrently enrolled in a relevant bachelor’s or master’s program;1+ year hands-on student engineering project experience;experience taking hardware through design, fabrication, assembly, and test;3D CAD proficiency;U.S. work authorization and U.S. citizenship or equivalent for export-controlled work.
SolidWorks, GD&T
3mo
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Propulsion Development Engineer
Los Angeles, California, United States
$92k-$187k/yr OnsiteFull Time
Hermeus
Hermeus: Develops high-speed and hypersonic aircraft for defense and transportation.
Bachelor’s in Mechanical or Aerospace Engineering; hands-on hardware build/integration/test; experience in engineering test plans; Python proficiency; knowledge of sensors and instrumentation.
Python
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Lead Packaging Engineer
Palo Alto or Los Angeles or Boston or Chicago or Sydney
$200k-$260k/yr OnsiteFull Time
Diraq
Diraq: Builds scalable quantum processors using silicon CMOS technology.
Bachelor's in engineering or materials science, significant semiconductor packaging experience, expertise in PCB/substrate and mechanical design, failure analysis, thermal management, and delivering scalable hardware from concept to manufacturing.
2w
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Senior Optomechanical Engineer
Los Angeles, California, United States
$120k-$210k/yr OnsiteFull Time
K2 Space
K2 Space: Develops high-power satellite platforms for heavy-lift launch vehicles.
5+ YOEBachelor's in engineering,5+ years optomechanical/mechanical design experience,3D CAD proficiency,experience mounting optics and hardware development;must be U.S. person eligible for ITAR-controlled work.
3D CAD, Siemens NX CAD, STOP (Structural-Thermal-Optical Performance), FEA, GD&T
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Propulsion Test Engineer
Mojave, California, United States
$95k-$135k/yr OnsiteFull Time
Impulse Space
Impulse Space: Developing in-space transportation services and orbital transfer vehicles.
2+ YOEBachelor’s in mechanical, aerospace, or electrical engineering; 2+ years hardware test experience; strong fundamentals in thermal, structural, and fluids; hands-on aerospace test facilities; able to design and communicate test schematics.
Data acquisition, Control systems, P&IDs, Electrical schematics, LabVIEW, Test stands
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Senior/Staff Robotics and Controls Engineer
Los Angeles or Malibu
$155k-$205k/yr OnsiteFull Time
Horizon Surgical Systems
Horizon Surgical Systems: AI-driven robotic systems for ophthalmic microsurgery
3+ YOEMaster’s or Ph.D. in Robotics, Mechanical/Electrical Engineering, Computer Science, or related field; 3+ years robotic algorithms on hardware; C++ (≥C++11); ROS2; Python; path planning; collaboration.
C++, ROS2, Python, Nonlinear optimization, Kalman filter, Trajectory planning
3w
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Propulsion Test Engineer
Mojave, California, United States
$86k-$195k/yr OnsiteFull Time
Vast
Vast: Develops and operates commercial artificial-gravity space stations.
2+ YOEBachelor's in aerospace/mechanical or related,2+ years in chemical propulsion/fluid systems or hardware testing,ability to lift 25 lbs,work outdoors in extreme weather,and willingness to work overtime/weekends.
NX, Teamcenter, Epsilon3, JIRA, Confluence, Beckhoff/TwinCAT, National Instruments/LabVIEW