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22 prototype engineer jobs at 15 companies in Lodi, CA

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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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Principal Mechanical Design Engineer
Livermore, California, United States
$111k-$145k/yr OnsiteFull Time
FormFactor
FormFactorNASDAQ: FORM: Manufacturer of semiconductor test and measurement equipment.
5+ YOEMechanical design engineer with minimum 5 years' related experience (or equivalent degree/experience), strong 3D CAD skills, GD&T and tolerance knowledge, hands-on prototyping, metrology, and cross-functional troubleshooting.
Autodesk AutoCAD, SolidWorks, SolidWorks PDM
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Senior Mechanical Engineer - Active Clearance Required
Livermore, California, United States
$176k-$267k/yr HybridFull Time
Lawrence Livermore National Laboratory
Lawrence Livermore National Laboratory: Develops science and technology for United States national security.
Bachelor's degree in mechanical engineering or equivalent, advanced mechanical design and prototype experience, project leadership and mentoring, strong communication and problem-solving, active DOE Q or Top Secret clearance required.
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Principal Hardware Engineer - Fluidics - Pleasanton, CA
Pleasanton or United States
$250k-$270k/yr OnsiteFull Time
Calyxo
Calyxo: Develops vacuum-assisted devices for minimally invasive kidney stone removal
15+ YOEBachelor's in engineering required, 15+ years developing fluidic/mechatronic/control systems for regulated products, expertise in fluid dynamics, closed-loop control, prototyping, embedded software (C/C++, Python), medical device standards (IEC 60601, ISO 13485).
C, C++, Python
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Sr. Engineer, R&D - Pleasanton, CA
Pleasanton, California, United States
$120k-$135k/yr OnsiteFull Time
Getinge
GetingeNasdaq Stockholm: GETI B: Manufactures medical equipment for acute care and life sciences.
5+ YOEMaster's preferred (Bachelor's required) in Mechanical/Biomedical Engineering or related, 5+ years experience, medical device R&D experience preferred, prototyping (CNC, 3D printing), Solidworks, knowledge of FDA and ISO 13485.
CNC, 3D printing, Solidworks
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Senior FW Engineer - Pathfinding
Idaho City or Rancho Cordova or United States or Poland or Asia or Europe or North America or South America
$127k-$203k/yr OnsiteFull Time
Solidigm
Solidigm: Develops and manufactures NAND flash memory and solid-state drives.
7+ YOE7+ years firmware/embedded software experience in C/C++ with RTOS, hardware/software integration, prototyping, and validation. Python and Linux scripting, storage protocols (PCIe, NVMe), and Git experience preferred.
C, C++, Python, Linux, Git, RTOS, PCIe, NVMe, Enet, FC, IB
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Cleared Composite Design and Test Engineer - Weapon Subsystems, Onsite
Livermore or Albuquerque or Kansas City
$122k-$238k/yr OnsiteFull Time
Sandia National Laboratories
Sandia National Laboratories: Federal research and development laboratory for national security.
Bachelor's degree or equivalent in a relevant engineering discipline, active DOE Q clearance (Sigma 14/15) required, experience or coursework with composite materials, CAD/FEA tools, manufacturing processes, prototype testing, and ability to work onsite in California.
CAD, FEA, Creo, Fibersim, SolidWorks, CATIA, ANSYS, Abaqus
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2w
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Structural Designer Packaging Engineer
Sacramento, California, United States
$70k-$72k/yr OnsiteFull Time
Golden West Packaging Group
Golden West Packaging Group: Manufactures custom corrugated boxes, folding cartons, and retail displays.
3+ YOE3+ years structural packaging design experience; proficiency with ArtiosCAD, Adobe Illustrator, and Esko Studio; bachelor\u0002s degree preferred; ability to develop prototypes and evaluate manufacturability.
ArtiosCAD, Adobe Illustrator, Esko Studio, Kongsberg
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Senior Engineer/Scientist – X-ray Source Development
Dublin, California, United States
$140k-$175k/yr HybridFull Time
ZEISS
ZEISS: Produces high-precision optical systems and optoelectronic technologies.
Master’s (or PhD) in Physics/Electrical Engineering/Materials Science, experience designing electron guns/electron optics and X‑ray targets, hands‑on prototyping, strong cross‑functional communication, and English fluency.
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Principal Engineer, AI Software Solutions
Folsom or Santa Clara
$256k-$361k/yr HybridFull Time
Intel
IntelNasdaq: INTC: Designs and manufactures microprocessors and semiconductor components.
12+ YOEBachelor's in CS/SE/EE or related, 12+ years software development/optimization experience, strong system-level software and computer architecture knowledge, proficiency in development, debugging, validation, modeling, and prototyping.
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Cleared Composite Design and Test Engineer - Weapon Subsystems, Onsite
Livermore, California, United States
$122k-$238k/yr OnsiteFull Time
Sandia National Laboratories
Sandia National Laboratories: Conducts science and engineering research for national security.
Bachelor's degree or equivalent experience, active DOE Q clearance (or ability to obtain), experience with composite materials, CAD and FEA tools, prototype fabrication/testing, and strong communication skills.
Creo, Fibersim, SolidWorks, CATIA, ANSYS, Abaqus
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2mo
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Mechanical Systems Technician Associate V
Pleasanton, California, United States
$39-$53/hr OnsiteFull Time
Bio-Rad Laboratories
Bio-Rad LaboratoriesNYSE: BIO: Develops and manufactures products for life science research and diagnostics.
10+ YOEAssociate or equivalent engineering experience; 10+ years of professional experience; strong prototyping, machining, electrical, and troubleshooting skills; experience with regulated environments preferred.
CAD, Measurement equipment, Soldering, Electrical test equipment
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GPU Performance Architect
Folsom or Santa Clara
$127k-$217k/yr HybridFull Time
AMD
AMDNASDAQ: AMD: Designs and manufactures computer processors and graphics technology.
Develop performance models and prototypes for GPU/SoC systems; analyze ML/HPC workloads; write and optimize GPU kernels; strong programming in C/C++/Python; knowledge of CUDA/OpenCL and ML frameworks.
TensorFlow, PyTorch, CUDA, OpenCL, C, C++, Python, Hip, Triton, MLIR, LLVM, RTL, System C
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R&D HW Technician
Roseville, California, United States
$33-$60/hr OnsiteFull Time
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Provides edge-to-cloud IT infrastructure and platform services.
4+ YOEAssociate's degree or equivalent and several years of technician experience. Requires electronics and SMT rework skills, prototype construction, testing with voltmeter/oscilloscope/logic analyzer, environment/regulatory test setup, basic test-plan writing, and MS Windows proficiency.
Metcal, voltmeter, oscilloscope, pattern generator, logic analyzer, Microsoft Windows
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2mo
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Lecturer: Medical Device Development for Engineering Skills Sequence
Sacramento, California, United States
$71k-$101k/yr OnsitePart Time, Contract
University of California
University of California: A public research university system providing education and healthcare.
Master's in engineering or related STEM, expertise in CAD/prototyping/electronics/machine learning, demonstrated applied experience; prior hands-on teaching and industry experience preferred.
Python, CAD, finite element analysis, 3D printing, laser cutting, CNC machining, single-board computers, machine learning
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2w
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R&D Packaging Scientist 1 (Recent Grad Starting in 2026)
Pleasanton, California, United States
HybridFull Time
Clorox
CloroxNew York Stock Exchange: CLX: Manufactures and markets consumer cleaning and wellness products.
Recent graduate (Dec 2025–Aug 2026) with a 3.0+ GPA in packaging, materials, or mechanical engineering; knowledge of ASTM testing; experience with ArtiosCAD and TOPS; able to work in a lab and prototype samples.
ArtiosCAD, TOPS
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