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230 prototyping engineer jobs at 136 companies in Napa, CA

4w
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Sr. Prototyping Architect, AWS Prototyping and AI Customer Engineering (PACE)
Seattle or Santa Clara or Santa Monica or San Francisco or San Diego
$154k-$208k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
7+ YOEExpertise in cloud architecture, 7+ years designing/implementing/consulting on applications and infrastructure; AWS certs preferred; strong software development and AI/prototyping experience.
AWS, Bedrock, SageMaker, Q Developer, Cursor, Kiro, Cline, Windsurf
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1w
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Rapid Prototyping Software Engineer, Pixel
San Francisco, California, United States
$207k-$300k/yr OnsiteFull Time
Google
GoogleNASDAQ: GOOGL: Provides online search, advertising, cloud computing, and consumer electronics.
8+ YOEBachelor's or equivalent, 8+ years software development, 5+ years testing/launching products, 3+ years software design/architecture and prototyping; Android and AI/ML experience preferred.
Android, AI/ML
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2mo
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Senior Mechanical Design Engineer — Electric Motors
San Francisco, California, United States
$110k-$238k/yr OnsiteFull Time
DoorDash
DoorDashNASDAQ: DASH: On-demand delivery platform connecting consumers with local merchants.
3+ YOEMechanical engineering degree with 3+ years experience; strong CAD, 3D modeling; hands-on prototyping; hardware for outdoor/harsh environments; experience with motors or electromechanical systems preferred.
CAD, CNC, 3D Printing, FEA, Prototyping, Welding, Electrical wiring, Encoders
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1w
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Prototype Engineer
San Francisco, California, United States
OnsiteFull Time
Physical Intelligence
Physical Intelligence: Creating foundation models for general-purpose robot intelligence.
Design and fabricate mechanical, electrical, and sensor prototypes; develop quick-turn PCBs and wiring; perform assembly, troubleshooting, and integration with control systems and firmware.
CAD, PCB
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1mo
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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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2mo
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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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6d
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Electrical Engineer
Hayward, California, United States
$85k-$95k/yr OnsiteFull Time
Gaumer Process
Gaumer Process: Manufacturer of electric heaters and engineered process systems.
Design and maintain electrical schematics and control systems; UL508A industrial control panel experience; PLC/HMI programming; hands-on wiring, testing, and prototyping; BS in Electrical Engineering or equivalent.
Autodesk Electrical, Autodesk Vault, Allen-Bradley, Siemens, Microsoft Excel, Microsoft Word, Microsoft Outlook, Microsoft PowerPoint, Microsoft Project, multimeter, LCR meter, impedance analyzer, spectrum analyzer
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1mo
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Mechanical Engineer
Davis, California, United States
$100k-$110k/yr OnsiteFull Time
Terabase Energy
Terabase Energy: Digital and automation platform for utility-scale solar plants.
2+ YOEBS in Mechanical Engineering, 2+ years relevant experience, proficiency in 3D CAD (SolidWorks preferred) and GD&T, familiarity with manufacturing processes and motion components, hands-on prototyping and strong communication.
SolidWorks, SolidWorks Simulation, ANSYS, ABAQUS, CAD, FMEA
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1w
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Mechanical Design Engineer
San Francisco, California, United States
OnsiteFull Time
Pantograph
Pantograph: Building generally intelligent, affordable robots using internet-scale video training.
Hands-on mechanical design and prototyping for durable, manufacturable robots; experience with bent sheet metal, cable routing, reliability engineering, and clear documentation.
Onshape
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1w
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Electrical Engineer
Healdsburg, California, United States
$85k-$110k/yr OnsiteFull Time
Areté
Areté: Develops advanced sensing and signal processing solutions for national security.
0+ YOEBS or MS in engineering, experience across electrical design, PCB and harness work, prototyping, testing and system integration; U.S. citizenship, background screening, and DOT drug test required; security-investigation eligibility.
PCB, Oscilloscope, Logic Analyzer, Power Supply, Electronic Load, DMM, Signal Generator
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2mo
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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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Cell Engineer, Mechanical
Hayward, California, United States
$130k-$175k/yr OnsiteFull Time
Voya Energy
Voya Energy: Commercializing metal-based fuel systems for clean off-grid electricity.
Hands-on mechanical engineer with experience designing and building electrochemical cell and stack hardware, CAD/SolidWorks proficiency, DFM and prototyping skills, and cross-functional device development experience.
SolidWorks, CAD
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2w
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Product Systems Engineer
Alameda, California, United States
$110k-$140k/yr OnsiteFull Time
ITW
ITWNYSE: ITW: Global manufacturer of specialized industrial equipment and consumables.
3+ YOEBachelor's degree in electrical or related engineering, 3+ years product/systems/sustaining engineering, prototyping/testing, system troubleshooting, ECO/ECR and RMA experience, bench test equipment familiarity.
Microsoft Office, CAD, AutoCAD, SolidWorks, JTAG, Oscilloscope, Logic Analyzer, I2C, SPI, UART
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1mo
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Power Electronics Engineer
Petaluma or Austin
$80k-$189k/yr OnsiteFull Time
Enphase Energy
Enphase EnergyNASDAQ: ENPH: Manufacturer of microinverter-based solar and energy storage systems.
1+ YOEM.S. or Ph.D. in Electrical Engineering, hands-on power electronics design experience, familiarity with advanced power semiconductors and magnetics, ability to translate simulation to prototypes.
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2mo
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Intern - Mechanical Engineer
San Francisco or Toronto
HybridInternship
Human Computer Lab
Human Computer Lab: A robotics startup and research lab building expressive, human-centered robots for everyday environments.
Pursuing an engineering degree; experience designing robotics hardware, prototyping with microcontrollers and PCBs, strong CAD (Onshape/SolidWorks/Fusion360) and 3D printing skills, and interest in human-robot interaction.
Onshape, SolidWorks, Fusion360, microcontrollers, PCBs, 3D printing
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3w
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Staff Mechanical Engineer, Integration
Berkeley, California, United States
$148k-$194k/yr OnsiteFull Time
Form Energy
Form Energy: Developing multi-day batteries for grid-scale energy storage.
8+ YOEBachelor's in Mechanical Engineering (or related) with 8+ years mechanical design experience; prototyping, thermal modeling, manufacturing optimization, vendor leadership, and interdisciplinary integration experience.
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1mo
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Senior MEP Engineer
Hayward, California, United States
$120k-$165k/yr OnsiteFull Time
Veev
VeevNYSE: LEN: Manufacturer of prefabricated panel systems for residential home construction.
7+ YOEBachelor's degree in engineering, 7+ years MEP design/engineering/construction experience, multidisciplinary MEP knowledge (HVAC, electrical, plumbing, fire/life safety), practical problem solving, DFMA and prototyping experience, strong cross-functional communication.
Revit, ACC/BIM 360, SolidWorks, SolidWorks PDM
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2d
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Mechanical Engineer, Vacuum Systems
Austin or San Francisco
OnsiteFull Time
fab2
fab2: Designing and manufacturing custom semiconductor fabrication equipment and factories.
2+ YOE2+ years mechanical/electromechanical design and hands-on prototyping experience; degree in engineering or physics; experience with vacuum/fluid hardware, pumps, valves, and thermal systems required.
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1w
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Staff Engineer - Mechanical
Pleasanton, California, United States
$142k-$177k/yr OnsiteFull Time
Vector Atomic
Vector Atomic: Develops precision quantum sensors for navigation and timing applications.
8+ YOE8+ years in Aerospace & Defense R&D, Bachelor’s in Mechanical Engineering, U.S. citizen or lawful permanent resident, 5+ years SolidWorks/CAD, experience with DFM/DFA, GD&T and ANSI Y14.5, prototype-to-production experience, comfortable in lab.
SolidWorks, SolidWorks PDM, FEA, CFD, PLM
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2w
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frog, Mechanical Engineer
New York City or San Francisco
$113k-$213k/yr OnsiteFull Time
Capgemini
CapgeminiEuronext Paris: CAP: Provides global IT consulting and digital transformation services.
5+ YOEBS in Mechanical Engineering,5+ years mechanical design experience (consumer electronics preferred),SolidWorks and 3D CAD expertise,DFM/DFA and manufacturing process knowledge,prototyping and vendor documentation skills.
SolidWorks, 3D CAD
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