85 prototype engineer jobs at 60 companies in Moorpark, CA

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Electrical Engineer-Prototype Design
Memphis or Pflugerville or Lakewood or Roanoke or Norfolk or Carlstadt or Santa Monica or Colorado Springs
$120k-$150k/yr OnsiteFull Time
Auto-Chlor System
Auto-Chlor System: Leases commercial dishwashers and provides chemical sanitation services.
5+ YOEBS in engineering or equivalent, 5+ years electrical/electronic design experience, embedded software/hardware experience, knowledge of NSF/CSA/UL and related codes, Autodesk Inventor preferred.
Autodesk Inventor
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Electrical Engineer-Prototype Design
Memphis or Pflugerville or Lakewood or Roanoke or Norfolk or Carlstadt or Santa Monica or Colorado Springs
$120k-$150k/yr OnsiteFull Time
Auto-Chlor System
Auto-Chlor System: Provider of commercial dishwashing systems and chemical sanitation solutions.
5+ YOEB.S. in engineering (or equivalent), 5+ years electrical/electronic design experience, embedded software/hardware experience, knowledge of NSF/CSA/UL and related codes, and Autodesk Inventor/CAD experience.
Autodesk Inventor
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Senior Research and Prototyping Engineer
Los Angeles, California, United States
OnsiteFull Time
Arcturus
Arcturus: Develops carbon nanomaterial-infused metal composites for high-performance conductors.
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
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Electronics Engineer
Pasadena, California, United States
OnsiteFull Time
Caltech
Caltech: Provides university-level education and scientific research services.
4+ YOEB.S. in electronics engineering (or 4 years equivalent), experience with electronic circuits, microcontroller programming, soldering/prototyping, testing procedures, strong communication and organizational skills.
Arduino, SolidWorks, Altium
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Principal/Lead Mechanical Engineer
Torrance, California, United States
$160k-$210k/yr OnsiteFull Time
Neros Technologies
Neros Technologies: Designs and manufactures American-made high-performance drones for defense.
8+ YOEBachelor's in Mechanical Engineering, 8+ years in fast-paced engineering/manufacturing, CAD (SolidWorks or NX) and FEA experience, strong fundamentals, prototyping, and mentorship experience.
CAD, FEA, SolidWorks, NX, Teamcenter, CNC
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Product Development Engineer
Los Angeles, California, United States
$78k-$88k/yr OnsiteFull Time
Spin Master
Spin MasterTSX: TOY: Designs and manufactures toys and children's entertainment content.
2+ YOEDesign and engineer toy/product portfolios from concept to production; prototyping; manufacturing support; cost and performance optimization; travel.
PLM tools
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Staff Design Engineer
Carson, California, United States
$135k-$250k/yr OnsiteFull Time
GrayMatter Robotics
GrayMatter Robotics: Develops autonomous robotic systems for industrial surface finishing applications.
8+ YOE8+ years mechanical design experience, proficiency with 3D modeling, prototyping, FEA, manufacturing processes, and cross-functional collaboration; BS/MS in Mechanical Engineering or equivalent.
SolidWorks, 3D printers, CNC machines, PDM, Finite Element Analysis (FEA), GD&T
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Engineer, Manufacturing
Sylmar, California, United States
$101k-$120k/yr OnsiteFull Time
Mason
Mason: Designs and manufactures engineered control products and subsystems for aerospace and defense applications.
2+ YOEBachelor's in engineering, 2+ years manufacturing/design experience, CAD and analysis software familiarity, rapid prototyping and electronic packaging experience, LEAN experience, strong communication and project management skills, willingness to travel.
CAD, LEAN
2mo
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Mechanical Engineer III
Irwindale, California, United States
$100k-$140k/yr OnsiteFull Time
Georg Fischer
Georg FischerSIX Swiss Exchange: GF: Manufacturer of piping, casting, and machining solutions.
5+ YOESenior mechanical/electrical/mechatronics engineer with 5+ years in product development, sensor/automation experience, CAD design, prototyping, and cross-disciplinary collaboration.
Siemens NX, SolidWorks, Microsoft Office, 3D printing, Rapid prototyping, PLC programming, electromechanical assembly, sensors
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Senior Engineer – Mechanical Engineering
Simi Valley, California, United States
$101k-$153k/yr OnsiteFull Time
AeroVironment
AeroVironmentNASDAQ: AVAV: Designs and manufactures unmanned aircraft and tactical missile systems.
5+ YOEBachelor's in Mechanical or Aerospace Engineering,5+ years designing complex mechanical systems,prototyping and electro-mechanical experience,ASME drawing practices,Solidworks and Microsoft Office proficiency.
Solidworks, Microsoft Office
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NPI Engineer
Carson, California, United States
$115k-$135k/yr OnsiteFull Time
Ducommun
DucommunNYSE: DCO: Manufactures structural and electronic systems for aerospace and defense.
5+ YOE5+ years in manufacturing/project engineering; ownership of prototype and tooling build execution; ability to read drawings, build BOMs/routers/work orders; proficiency in Microsoft Project, Visio, and Excel; strong communication and cross-functional coordination.
Microsoft Project, Visio, Microsoft Excel
2w
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Senior Mechanical Design Engineer
Los Angeles, California, United States
$150k-$180k/yr OnsiteFull Time
LettrLabs
LettrLabs: Designs and builds handwriting robotics and production automation systems for direct mail manufacturing.
5+ YOE5+ years mechanical design experience; bachelor’s in mechanical engineering; hands-on with motion systems, sheet metal, DFM/DFA, FEA, prototyping, vendor collaboration, and mentorship of junior engineers.
SolidWorks, NX, CAD, PDM, PLM, FEA, GD&T (ASME Y14.5)
2w
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IAC Development Engineer
Torrance, California, United States
$105k-$132k/yr HybridFull Time
Garrett Motion
Garrett MotionNasdaq: GTX: Designs and manufactures turbochargers and electric boosting vehicle technologies
3+ YOEBachelor in engineering required; 3+ years launching products to production; experience with turbomachinery/compressors or electric motors; FMEA/DVP&R, prototype testing, root-cause analysis, and 10-20% travel.
CFD, FEA, 3D design tools, 8D, 5WHY, Ishikawa
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Electrical Engineer (Lasercom)
Los Angeles, California, United States
$140k-$170k/yr HybridFull Time
Observable Space
Observable Space: Developing integrated hardware and software for persistent space observation.
2+ YOE2+ years electrical engineering experience; PCB design, wire harnessing, circuit simulation, signal integrity, and prototype bring-up; experience with Altium and LTSpice; strong debugging and EMI/EMC knowledge.
Altium, LTSpice, Hyperlynx, SIwave, ADS, HFSS, Oscilloscope, Logic Analyzer, Spectrum Analyzer, Multimeter
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Principal Mechanical Engineer
El Segundo or Los Angeles
$175k-$215k/yr OnsiteFull Time
CHAOS Industries
CHAOS Industries: Develops advanced radar and sensing systems for modern defense.
8+ YOEBachelor's in Mechanical Engineering, 8+ years platform-level mechanical design and system integration for aerospace/defense, SolidWorks and FEA experience, prototyping skills, MIL‑STD familiarity, and ability to obtain a U.S. security clearance.
SolidWorks, NASTRAN, ABAQUS, ANSYS, COMSOL
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Mechanical Engineer III
Camarillo, California, United States
OnsiteFull Time
HEICO
HEICONYSE: HEI: Manufactures specialty electronic components and niche aircraft parts.
3+ YOEBachelor's in Mechanical/Aerospace Engineering, minimum 3 years mechanical/electromechanical design experience, proficiency with CAD/FEA (SolidWorks preferred), GD&T knowledge, and strong interpersonal skills; hands-on prototyping and analysis experience.
CAD, FEA, SolidWorks, CNC
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Applied AI Engineer
Los Angeles, California, United States
$100k-$200k/yr OnsiteFull Time
General Matter
General Matter: Produces enriched uranium and nuclear fuel for power generation.
BS or higher in engineering, physics, chemistry, applied math, or related technical field; proficiency in Python; experience building AI tools; strong AI and engineering fundamentals; ships prototypes; able to work across neutronics, safety, data, and manufacturing.
Python, AI tooling, LLMs, AI agents
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Senior Mechanical Engineer
Redondo Beach, California, United States
$120k-$150k/yr OnsiteFull Time
Mycronic
MycronicNasdaq Stockholm: MYCR: Develops and manufactures high-precision electronics production equipment.
5+ YOEBachelors in mechanical engineering (master preferred). 5+ years mechanical design experience, 3D CAD proficiency, NPI/product development, prototyping, validation, testing, project management, cross-functional collaboration, and ability to travel internationally. U.S. work authorization required.
3D CAD software, CAD
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Lead Engine Cooling System Engineer
Novi or Charlotte or San Francisco or Los Angeles or New York City
$160k-$193k/yr OnsiteFull Time
Scout Motors
Scout Motors: Designs and manufactures all-electric rugged SUVs and trucks.
12+ YOEBachelor’s in mechanical engineering (Master's preferred), 12+ years engineering experience, 8 years thermal systems design, leadership experience, simulation and prototyping/testing skills, strong analytical and communication abilities.
CFD, 1D thermal-fluid models
4w
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Senior Manufacturing Engineer - Space Solar
Hawthorne, California, United States
$145k-$180k/yr OnsiteFull Time
Starpath
Starpath: Manufacturing space-rated solar hardware and lunar mining robotics.
6+ YOEBachelor's in engineering, 6+ years manufacturing/process design experience from prototype to high-rate production, experience leading cross-functional technical work, and experience driving yield, rate, and automation.
SQL, FMEA, statistical process control (Cp/Cpk), electroluminescence imaging, IV-curve analysis, LIV/flash testing