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78 prototype engineer jobs at 33 companies in Temecula, CA

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Prototype EDS Engineer - System Prototypes
Irvine, California, United States
$107k-$134k/yr HybridFull Time
Rivian and Volkswagen Group Technologies
Rivian and Volkswagen Group Technologies: Joint venture focused on software-defined vehicles and EV systems.
1+ YOEBachelor’s in engineering; 1 year automotive low-voltage design experience; read schematics; CAD experience preferred; strong documentation and communication.
CAD, Electrical Schematics, System Diagrams
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Manufacturing Engineer, Barracuda
Costa Mesa, California, United States
$129k-$171k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
5+ YOEDegree in engineering or hard sciences; 5+ years in manufacturing/prototyping; security clearance eligibility; strong quality and fabrication experience.
MBOM, PCBA, SMT, Soldering, Fabrication, CNC
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5d
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Senior Mechanical Engineer
Escondido, California, United States
$135k-$146k/yr OnsiteFull Time
One Stop Systems
One Stop SystemsNASDAQ: OSS: Designs high-performance rugged computing and storage for edge applications.
5+ YOE5+ years mechanical engineering experience with heat transfer, thermal management, structural dynamics, liquid cooling and prototyping; Bachelor's in Mechanical Engineering required; strong communication and specification writing skills.
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2w
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Design Engineer
Aliso Viejo, California, United States
$82k-$103k/yr OnsiteFull Time
Cervélo
Cervélo: Designs and manufactures high-performance racing and triathlon bicycles.
1+ YOEDegree in engineering or industrial design or equivalent experience, 1–3 years product design experience, CAD and prototype experience, proficiency with Microsoft Office, strong communication and collaboration skills.
CAD, SolidWorks, Microsoft Excel, Microsoft PowerPoint, Microsoft Word, Adobe Illustrator, Adobe InDesign, KeyShot, PhotoView 360, Alias, Rhino
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3w
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Senior Engineer, Special Projects
Irvine or Plymouth or Normal
$108k-$135k/yr OnsiteFull Time
Rivian
RivianNASDAQ: RIVN: Designs and manufactures electric vehicles and charging networks.
Bachelor's in engineering or equivalent; hands-on prototype design and fabrication experience; CAD (Catia) proficiency; knowledge of vehicle systems, materials, and low-volume manufacturing; welding and machining skills a plus.
Catia, CAD
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2w
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Hardware Engineer
Vista, California, United States
$190k-$225k/yr OnsiteFull Time
Samtec
Samtec: Manufacturer of high-speed electronic connectors and cable assemblies.
15+ YOE15+ years in hardware design and fiber-optic communication, BS in Electrical Engineering required (MS/PhD preferred), hands-on prototyping, test and measurement, PCB/SMT experience, firmware/FPGA familiarity, and technical leadership.
FPGA, PCB, SMT, database systems, AI
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3w
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Mechanical Engineer II
Laguna Hills, California, United States
$80k-$100k/yr OnsiteFull Time
Sonendo
SonendoOTCQX: SONX: Medical technology transforming dentistry through innovative device systems.
2+ YOEBachelor's in Mechanical Engineering with 2+ years experience (or advanced degree), skilled in mechanical design, 3D CAD modeling, prototyping, testing, design control in regulated industries, DOE exposure, and risk management.
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Design Engineer II
Rancho Santa Margarita, California, United States
$75k-$95k/yr OnsiteFull Time
Applied Medical
Applied Medical: Manufacturer of advanced medical devices and surgical products.
2+ YOETwo–three years mechanical/product design engineering; Bachelor’s in related field; CAD (SolidWorks); GD&T; prototyping; technical writing; cross‑functional teamwork.
SolidWorks, CAD, Geometric Dimensioning and Tolerancing, Prototyping, Documentation
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2mo
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Mechanical Engineer
Huntington Beach, California, United States
$105k-$180k/yr OnsiteFull Time
Mach Industries
Mach Industries: Designs and manufactures autonomous unmanned aerial vehicles for defense.
1+ YOE1+ year mechanical design/prototyping; 3D CAD; Bachelor’s in ME/AE/EE; hands-on hardware development.
NX, SolidWorks, Python, MATLAB, C++
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3w
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Principal Mechanical Engineer
Irvine, California, United States
$140k-$210k/yr OnsiteFull Time
MKS Instruments
MKS InstrumentsNASDAQ: MKSI: Supplies process control instruments and chemicals for semiconductor manufacturing.
8+ YOEBachelor's in Mechanical Engineering required; 8+ years in precision mechanical systems and vibration mitigation; SolidWorks and ANSYS (or equivalent) proficiency; FEA, modal analysis, GD&T, PLM/ERP (Agile, SAP); leadership and test/prototyping experience; travel <10%.
SolidWorks, ANSYS, FEA, CAD, PLM, ERP, Agile, SAP, GD&T, BOM
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2w
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Hardware Engineer
Vista, California, United States
$190k-$225k/yr OnsiteFull Time
Samtec
Samtec: Manufactures electronic connectors and high-speed cable assembly systems.
15+ YOE15+ years hardware and fiber-optic communication experience; BS in Electrical Engineering required (MS/PhD preferred); experience with high-speed electronics, RF/PI/SI, PCB fabrication, test & measurement, firmware/FPGA, prototyping, and leading small technical teams; must be eligible to work in the US without restrictions.
FPGA, AI, PAM4, NRZ
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2w
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Mechanical Design Engineer II
Santa Ana, California, United States
$70k-$100k/yr OnsiteFull Time
Nikkiso
NikkisoTokyo Stock Exchange: 6376: Manufacturer of industrial fluid equipment and medical devices.
1+ YOEBachelor's in engineering required, 1+ years mechanical design experience, proficiency with SolidWorks, FEA, CAD, GD&T, and Microsoft Office; able to design, model, and test prototypes and produce drawings and specifications.
SolidWorks, FEA, CAD, GD&T, Microsoft Office Suite
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3w
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Product Development Engineer II
Irvine, California, United States
$71k-$98k/yr OnsiteFull Time
Integra LifeSciences
Integra LifeSciencesNASDAQ: IART: Manufacturing surgical instruments and regenerative medical technology devices.
3+ YOEBachelor's in Engineering, 3+ years medical device product development, SolidWorks and Microsoft Office proficiency, experience with prototyping, design for manufacturability, V&V testing, and knowledge of design controls and relevant standards.
SolidWorks, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Project, Minitab, Microsoft Visio
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1w
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OEM Sr. Product Design Engineer
Corona, California, United States
$120k-$140k/yr OnsiteFull Time
K&N Engineering
K&N Engineering: Manufacturing high-performance automotive and industrial air filtration systems.
7+ YOEBachelor's in engineering, 7+ years OEM/high-volume product design experience, SolidWorks proficiency, DFM/DFMA and manufacturing process experience, prototype/testing and simulation knowledge.
SolidWorks, FEA, 3D printing, laser cutting
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1mo
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Senior Product Development Engineer- Golf Ball
Carlsbad, California, United States
$97k-$146k/yr OnsiteFull Time
Callaway Golf
Callaway GolfNYSE: CALY: Designs and manufactures premium golf equipment and performance gear.
5+ YOEBS in engineering/materials/statistics or equivalent; 5+ years sports product development experience; prototyping, materials, molding and testing expertise; strong analytical, communication, and project leadership skills.
MATLAB, Minitab, JMP
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1mo
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Senior Applications Engineer - Emulation
Austin or San Diego or Costa Mesa or Wilsonville
$167k-$334k/yr HybridFull Time
Siemens
SiemensXETRA: SIE: Manufactures industrial automation, infrastructure, and energy technology systems.
5+ YOE5+ years in design/verification/emulation and prototyping of electronics chips and systems; BS or MS in EE, CE, CS or related fields.
Emulation platforms (Veloce, Palladium, Zebu), SystemVerilog, Verilog, VHDL, SystemC, C, C++, Perl, Python, XML, JSON
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1w
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R&D Staff Engineer
Irvine, California, United States
$109k-$175k/yr OnsiteFull Time
Johnson & Johnson
Johnson & JohnsonNYSE: JNJ: Global healthcare providing pharmaceuticals and medical technologies.
6+ YOE6+ years R&D mechanical engineering experience (BS) or 4+ years (MS); experience with medical device product development, regulatory standards (21 CFR 820, ISO 13485), prototyping, CAD (SolidWorks), and cross-functional collaboration.
SolidWorks, SAP Product Lifecycle Management
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1mo
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Advanced Programs Mechanisms Project Engineer
Poway, California, United States
$98k-$171k/yr HybridFull Time
General Atomics
General Atomics: Designs and manufactures unmanned aircraft and nuclear technology systems.
2+ YOERequires a degree in engineering or equivalent experience (6+ yrs with BS, 4+ yrs with MS, 2+ yrs with PhD), ability to design, prototype, test mechanisms, strong communication and technical leadership; US citizenship and Secret clearance required.
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Senior R&D Engineer- Mechanical NPD
Irvine, California, United States
$89k-$149k/yr OnsiteFull Time
Stryker
StrykerNYSE: SYK: Manufactures medical devices and equipment for healthcare providers.
2+ YOEBachelor's in Mechanical or Biomedical Engineering plus 2+ years experience; ability to design and prototype catheter-based devices, create drawings, apply GD&T and CAE, and follow design controls and risk management.
GD&T, CAE, 3D printing
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2w
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Senior Principal Mechanical Engineer (HTI) - JJMT Electrophysiology
Irvine, California, United States
$122k-$213k/yr OnsiteFull Time
Johnson & Johnson
Johnson & JohnsonNYSE: JNJ: Provides pharmaceutical products and medical technology healthcare solutions.
10+ YOEBachelor’s in engineering required (Master’s/PhD preferred); 10+ years medical device R&D with early-stage incubation and catheter/device design; prototyping and validation experience; leadership and cross-functional collaboration.
SolidWorks, AutoCAD, PMM
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