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350 prototype engineer jobs at 194 companies in San Rafael, CA

1w
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frog Product Prototype Developer (Fixed Term)
San Francisco or Boulder
$72k-$135k/yr OnsiteFull Time, Contract
Capgemini
CapgeminiEuronext Paris: CAP: Provides global IT consulting and digital transformation services.
3+ YOEBS in Mechanical Engineering or equivalent hands-on experience; 3+ years fabrication/prototyping with softgoods or consumer products; 3D CAD, DFM/DFA, FAI, ASME Y14.5 familiarity; portfolio encouraged.
3D CAD, DFM, DFA, First Article Inspection (FAI), ASME Y14.5
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2w
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Prototype & Test Engineering Intern, New Product Development
San Francisco, California, United States
$30-$35/hr OnsiteInternship, Full Time
Eight Sleep
Eight Sleep: Develops smart mattresses and temperature-regulated sleep technology.
Engineering background with hands-on prototyping and troubleshooting of electromechanical systems; experience with multimeters, oscilloscopes, command-line utilities; BS (or expected BS) in engineering required, MS preferred; ability to lift up to 50 lbs.
Multimeter, Oscilloscope, Command-line utilities, Claude
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3mo
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Robot Prototype Technician
San Francisco, California, United States
OnsiteFull Time
Physical Intelligence
Physical Intelligence: Creating foundation models for general-purpose robot intelligence.
2+ YOE2+ years prototyping technician experience; electromechanical assembly; soldering; CAD; diagnostics; teamwork.
SOLIDWORKS, Onshape, Soldering, Wiring, Oscilloscopes, Multimeters, PLCs
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2mo
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Research Engineer
Palo Alto, California, United States
$120k-$140k/yr OnsiteFull Time
Subsense
Subsense: Developing non-surgical, nanoparticle-based brain-computer interfaces.
0+ YOEDesign and build hardware/software systems; develop prototypes; integrate hardware, software, and control components; perform engineering tests.
MATLAB, Python, COMSOL, ANSYS
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Prototyping System Engineer
Sunnyvale, California, United States
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
Experienced electrical engineer to define, prototype, and build early-stage home product concepts; collaborate cross-functionally across hardware, software, and design; rapidly develop proof-of-concept hardware and evaluate enabling technologies.
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2w
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Mechanical Engineer
San Francisco, California, United States
$110k-$140k/yr OnsiteFull Time
Glacier
Glacier: Builds AI-powered robots for automated sorting in recycling facilities.
3+ YOEBS/MS in Mechanical Engineering, 3+ years engineering experience, structural design and FEA, CAD (Onshape/SolidWorks), DFM/GD&T, hands-on prototyping and manufacturing experience.
Onshape, SolidWorks, FEA, GD&T
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3mo
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Founding Design Engineer
San Francisco, California, United States
$160k-$200k/yr RemoteFull Time
Lunon
Lunon: AI-native platform providing automated consulting and diligence services.
Strong design and engineering skills; proven ability to prototype and ship; excellent communication and empathy.
Framer, Figma, Claude Design, Claude Code, Cursor
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2mo
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Senior Mechanical Engineer
Oakland, California, United States
$70k-$150k/yr OnsiteFull Time
Arxlight
Arxlight: Developing next-generation autonomous drones for security and defense applications.
4+ YOEBachelor's in Mechanical Engineering with 4+ years of experience; CAD proficiency; design, analysis, and prototyping; strong problem-solving and communication.
CAD, SolidWorks, AutoCAD, Creo, FEA, CFD
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3mo
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Mechanical Engineer
San Francisco, California, United States
OnsiteFull Time
Medra
Medra: Builds autonomous robots and AI for scientific research.
BS/MS in Mechanical Engineering or related, hands-on hardware prototyping, CAD design, testing, and production experience; on-site in San Francisco; flexible, hands-on contributor.
CAD, PLM, Prototyping, Manufacturing
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1mo
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Sr. Mechanical Engineer
Fremont, California, United States
OnsiteFull Time
Anyware Robotics
Anyware Robotics: Develops autonomous mobile robots for warehouse and logistics automation.
2+ YOEBachelor's in Mechanical/Mechatronics Engineering, 2+ years industry experience, SolidWorks and GD&T experience, hands-on prototyping and manufacturing knowledge, leadership of junior engineers, Mandarin preferred.
SolidWorks
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2mo
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Hardware Engineer, Materra
Mountain View, California, United States
$159k-$239k/yr OnsiteFull Time
X, The Moonshot Factory
X, The Moonshot FactoryNASDAQ: GOOGL: Develops early-stage technologies and experimental projects.
Senior hardware engineer with experience in HW automation, actuation, sensor and imaging integration, system integration from prototype to deployment, and leading or mentoring engineers; MS or PhD in STEM preferred.
TensorFlow, Google Cloud Storage, Google Compute Engine, BigQuery, Dataflow, Linux
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System Test & Validation Engineer II
Palo Alto, California, United States
$115k-$145k/yr OnsiteFull Time
Pivotal
Pivotal: Manufactures personal electric vertical takeoff and landing (eVTOL) aircraft.
Hands-on prototyping, fabrication, and integration of prototype systems; CAD design; 3D printing and composite layup; engine integration experience.
CATIA, NX, 3D printing (FDM, SLA), wet layup composite fabrication
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2mo
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Test Engineer
Akron or Mountain View
$38-$45/hr OnsiteContract
LTA Research & Exploration
LTA Research & Exploration: Develops and builds next-generation zero-emission rigid airships.
3+ YOEContract-based, 6-month program seeking engineers in Mechanical, Software, or GNC with 3+ years in aerospace/robotics; experience with HIL testing and flight prototyping; strong collaboration.
CAD, C++, Python, IMU, GPS, Barometric, Embedded Systems
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2mo
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Actuation Engineer, Motor Design
Palo Alto, California, United States
OnsiteFull Time
Mind Robotics
Mind Robotics: Motor design and electromagnetic engineering for compact robots.
BS/MS/PhD in Electrical or Mechanical Engineering; strong EM simulation; experience taking a motor from concept to prototype.
Ansys Maxwell, Motor-CAD, CAD (CATIA NX)
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1mo
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Hardware Systems Engineer
Cambridge or San Francisco
$105k-$150k/yr OnsiteFull Time
Lumafield
Lumafield: Accessible industrial CT scanners and cloud-based analysis software
3+ YOEHands-on electro-mechanical hardware engineer with electronics, embedded firmware, and system integration experience; capable of bringing prototypes to shipping.
MCAD, ECAD, Embedded Firmware, System Architecture, PCB Design, C/C++
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Thermal Engineer
San Francisco, California, United States
OnsiteFull Time
Orbital
Orbital: Builds AI-powered data center hardware and advanced materials.
5+ YOEBachelor's in mechanical/chemical engineering,5+ years experience in single/two-phase heat transfer or refrigeration,thermodynamic analysis,hands-on prototyping,lab testing,CAD and simulation experience.
CFD, FEA, CAD
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1mo
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Mechanical Engineer
Fremont, California, United States
$110k-$130k/yr OnsiteFull Time
Nova
NovaNASDAQ: NVMI: Provider of metrology and process control solutions for semiconductors.
1+ YOEBS in Mechanical Engineering, 1-3+ years in semiconductor equipment; SolidWorks and SolidWorks PDM; GD&T, FEA, high-vacuum and precision optics experience; prototype, test, and supplier management.
SolidWorks, SolidWorks PDM, FEA, GD&T
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1mo
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Manufacturing Engineer
Union City, California, United States
$82k-$90k/yr OnsiteFull Time
Mizuho OSI
Mizuho OSI: Designs and manufactures specialty surgical tables and positioning systems.
0+ YOEBachelor's in Mechanical, Electrical, or Industrial Engineering; 0-2 years experience; knowledge of manufacturing processes, lean methods, prototyping/troubleshooting, test protocols, SolidWorks and Microsoft Office; ability to travel to vendor sites.
SolidWorks, Windows, Microsoft Outlook, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
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1mo
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Mechanical Engineer II
Petaluma, California, United States
$82k-$116k/yr OnsiteFull Time
AeroVironment
AeroVironmentNASDAQ: AVAV: Designs and manufactures unmanned aircraft and tactical missile systems.
2+ YOEBachelors in Mechanical or Aerospace Engineering (or equivalent), 2+ years designing complex mechanical/electro-mechanical systems, SolidWorks/ANSYS proficiency, prototyping and ASME drawing standards experience.
SolidWorks, SolidWorks Simulation, ANSYS, SolidWorks EPDM, Microsoft Office, 3D printing
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Hardware Engineer II
Fremont, California, United States
$100k-$115k/yr OnsiteFull Time
Legrand
LegrandEuronext Paris: LR: Global specialist in electrical and digital building infrastructures.
1+ YOEBachelor's degree in electrical/computer engineering, 1+ years hands-on experience, circuit and PCB design, prototyping, testing, troubleshooting, manufacturing familiarity, and cross-team communication skills.
git, oscilloscopes, multimeters, soldering tools
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