267 prototype jobs at 152 companies in Chino Hills, CA
3w
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Prototype Shop Manager
Torrance, California, United States
$140k-$200k/yr OnsiteFull Time
8+ YOE8+ years in prototype/R&D/high-mix fabrication, strong manual and CNC machining, CAM experience, metrology, procurement/vendor management, safety discipline, and shop leadership.
CNC, 3D printing, Mastercam, NX CAM, CATIA CAM, SolidCAM, SLA, FDM, ERP, MES
1mo
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Senior Prototype Machinist
El Segundo or Washington or Huntsville
$47-$63/hr OnsiteFull Time
5+ YOE5+ years 5-axis CNC machining experience (aerospace/high-precision). Proficient with CAM (Mastercam/HyperMILL/Esprit/HsmWorks), 3D CAD (SolidWorks/Siemens NX), G-code/M-code, GD&T, exotic materials, and precision inspection. U.S. person required (ITAR).
Mastercam, HsmWorks, HyperMILL, Esprit, SolidWorks, Siemens NX, G-code, M-code, CMMs, laser scanners, micrometers, Jira, DMG MORI, Haas UMC
4w
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Prototype-to-Production Manager
Rancho Dominguez, California, United States
$130k-$160k/yr OnsiteFull Time
8+ YOE8+ Mgmt8+ years leadership in manufacturing/product realization; expertise in DFM/DFA, PFMEA, production line design, supplier qualification, and building operating systems for prototype-to-production transitions.
spreadsheets, ERP, PLM, PDM, MES
2w
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Prototype Development Engineer
Long Beach, California, United States
$119k-$233k/yr HybridFull Time
5+ YOEBachelor's in engineering,5+ years hardware/test asset development experience, CAD/BOM/Electrical integration skills, ability to travel 0-15%, strong documentation and technician direction skills.
CATIA, 3DEXPERIENCE, SolidWorks, NX, Creo, Inventor, AutoCAD, EPLAN, DAQ, NI/PXI/cDAQ, CANalyzer, CANoe, Wireshark, VSPY3, Altium, Python, LabVIEW, C#, SCPI, VISA
2w
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Prototype Development Engineer
Long Beach, California, United States
$119k-$233k/yr HybridFull Time
5+ YOEBachelor's in engineering (or equivalent),5+ years hardware/test-asset development experience, CAD and electrical test integration experience, familiarity with vehicle networks and test tooling,ability to travel 0-15%.
CATIA, 3DEXPERIENCE, SolidWorks, NX, Creo, Inventor, AutoCAD, EPLAN, NI/PXI/cDAQ, DAQ, CANalyzer, CANoe, Wireshark, VSPY3, Altium, Python, LabVIEW, C#, SCPI, VISA
16h
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Sr. Prototype Model Fabricator
Costa Mesa, California, United States
$37-$49/hr OnsiteFull Time
10+ YOERequires 10+ years building physical models, machining and fabrication skills, 5+ years welding steel, stainless steel, and aluminum, mechanical aptitude, blueprint interpretation, and ability to work independently, overtime, and weekends.
Lattice OS, manual mill, lathe, bench grinders, saws, shears, press brakes, finger brakes, slip rollers, bead rollers, GMAW, FCAW, GTAW, CAD, Additive Manufacturing
1mo
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Prototype Paint Specialist, Special Projects
Irvine, California, United States
$47-$59/hr OnsiteFull Time
5+ YOE5+ years automotive painting and color development experience; familiarity with BASF, Axalta, PPG, Sherwin Williams systems; experience with spectrophotometers, gloss meters, color scanners; strong communication and multitasking; basic computer skills.
spectrophotometers, gloss meters, color scanners, Google suite, Slack, BASF, Axalta, PPG, Sherwin Williams
5d
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Senior CNC Programmer & Prototype Machinist – LATHE
Hawthorne, California, United States
$40-$55/hr OnsiteFull Time
8+ YOEHigh school diploma, U.S. Person status required, 8+ years CNC programming/machining with deep 2-axis lathe experience, Okuma OSP proficiency, Fusion 360/Mastercam/NX CAM experience, ability to lift 25 lbs, standing and shop work.
Okuma Genos L250 II, Okuma OSP, Fusion 360, Mastercam, NX CAM, G-code
2mo
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Senior Research and Prototyping Engineer
Los Angeles, California, United States
OnsiteFull Time
3+ YOEHands-on prototyping and hardware engineering; CAD design; electrical test support; strong documentation.
CAD (Onshape), Machining, 3D Printing, Sensors, DAU/data acquisition, Basic electronics, Lab instrumentation
2mo
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Interaction Designer, Prime Video Experience Design (PVXD)
Culver City or Seattle or San Francisco
$81k-$142k/yr OnsiteFull Time
2+ YOE2+ years design experience; online portfolio; prototyping; experience with Figma and prototyping tools.
Figma, Prototyping tools
1w
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Product Designer
Ontario, California, United States
OnsiteFull Time
3+ YOE3+ years product design experience with 2D/3D CAD, SolidWorks, prototyping, plastic injection molding, CNC and rapid prototyping; B.S. in Mechanical Engineering or technical equivalent; ability to build prototypes and work with firearms.
SolidWorks, PowerShape, DraftSight, Microsoft Excel, Microsoft Word, Microsoft PowerPoint, CAD, ERP, 3D printers, 3D scanner, CNC, Consew leather machine
2d
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Product Intern
Beverly Hills, California, United States
$4k/mo OnsitePart Time
Conduct customer research, analyze product usage data, and build rapid prototypes to test ideas; comfortable with interviews, data interpretation, and hands-on prototyping.
Figma, Excalidraw, SQL
1mo
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Product Designer (8+ YOE)
San Francisco or Seattle or New York City or Los Angeles
$224k-$317k/yr OnsiteFull Time
8+ YOE8+ years product design experience, portfolio of impactful work, strong prototyping and interaction skills, experience with user research and cross-functional collaboration, comfortable building prototypes in code.
Cursor, Codex, GitHub Copilot
1mo
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Product Designer (UX/UI)
Irvine, California, United States
OnsiteContract
Experienced UX/UI designer with portfolio, interaction design, prototyping, research skills, familiarity with AI/LLM-powered prototyping, and proficiency in Figma; experience in Agile and cross-functional collaboration.
Figma
1mo
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Principal, Applied AI Enablement, Legal
West Hollywood, California, United States
$150k-$220k/yr OnsiteFull Time
Experienced AI/product builder to prototype, ship, and iterate AI tools for legal work; strong applied ML/AI judgment, prototyping, evaluation, and ability to partner with legal, engineering, and ops teams.
5d
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Senior Creative Technologist, Events and Experiences
Los Angeles, California, United States
$171k-$247k/yr OnsiteFull Time
9+ YOEBachelor's degree or equivalent,9 years in creative-technology or prototyping roles,portfolio of creative work,experience with multiple coding languages and design/prototyping methods,ability to translate technical concepts into creative outputs.
JavaScript, HTML5, C++, Python, Java, Go
1mo
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Experience Prototyper/Lab Manager, Level 3 (Fixed Term)
Santa Monica or Los Angeles or Boulder
$118k-$176k/yr OnsiteFull Time
Bachelor's degree required (MA/PhD preferred). Experience running experimental studies, prototyping for AR/VR (Lens Studio, Unity), programming (object-oriented), and data analysis (MATLAB/Python/JMP/R).
Lens Studio, Unity, Psychtoolbox, PsychoPy, MATLAB, Python, JMP, R
1mo
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Experience Prototyper/Lab Manager, Level 3 (Fixed Term)
Los Angeles or Santa Monica or Boulder
$118k-$176k/yr OnsiteFull Time
Manage lab operations and human-subject vision studies; build rapid AR/VR prototypes (Lens Studio, Unity); program and analyze data (Matlab, Python, R); Bachelor's required (MA/PhD preferred).
Lens Studio, Unity, Psychtoolbox, PsychoPy, Matlab, Python, JMP, R
3mo
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Naval Architect Intern
El Segundo, California, United States
$38-$46/hr OnsiteInternship
Oceanus Maritime Technologies: Building the operating platform for the modern maritime world.
Pursuing BS, MS, or PhD in Mechanical, Marine, Naval Architecture, Electrical Engineering, Mechatronics; hands-on prototyping; comfortable with hardware.
CAD, Simulation, Prototyping, Electrical harnessing, Cable routing
2w
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Mechanical Engineering Intern (Summer 2027)
El Segundo, California, United States
$70k/yr HybridInternship
Enrolled college student in engineering/related field with CAD, FEA, and prototyping experience; strong problem-solving and communication skills.
CAD, FEA, CFD
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