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42 prototyping engineer jobs at 31 companies in La Mesa, CA

3w
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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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Applications Engineer - FPGA Prototyping
San Diego or Austin or Boulder or Costa Mesa or Pasadena or Tempe or Wilsonville or Fremont
$167k-$334k/yr HybridFull Time
Siemens
SiemensXETRA: SIE: Manufactures industrial automation, infrastructure, and energy technology systems.
5+ YOE5+ years in design/verification/FPGA/ASIC or similar; BS/MS in EE/CE/CS; active experience with SystemVerilog/Verilog/VHDL, FPGA tools, scripting, simulation and customer-facing technical support.
SystemVerilog, Verilog, VHDL, SystemC, C/C++, Perl, Python, XML, JSON, proFPGA, HAPS, Xilinx Vivado, Altera Quartus, Questa, Incisive, VCS, OVM, UVM
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4w
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Mechanical Engineer
San Diego, California, United States
OnsiteFull Time, Contract
Unlimit Ventures
Unlimit Ventures: A venture studio building and launching new technology companies.
2+ YOEBachelor's in mechanical engineering, 2+ years mechanical engineering experience, proficiency with SolidWorks/AutoCAD, CAD modeling, simulations, prototype development, and manufacturing knowledge.
SolidWorks, AutoCAD
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2mo
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Quality Engineer
San Diego, California, United States
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
Hands-on quality engineering for MacBook trackpads and keyboards, validating prototypes through mass production and collaborating with developers and industry experts.
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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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1mo
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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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2w
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Senior Mechanical Engineer
San Diego, California, United States
OnsiteFull Time
Exthymic
Exthymic: Developing point-of-care manufacturing systems for personalized cell therapies.
5+ YOEBachelor's or advanced degree in mechanical engineering, 5–7 years mechanical design experience, proficiency with enterprise CAD, rapid prototyping, DFM, fabrication techniques, test protocols, and hands-on lab collaboration.
CNC, SolidWorks, NX, Creo, Onshape, Fusion360, ANSYS, COMSOL, SolidWorks Simulation, AI/LLM
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1mo
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Mechanical Engineer
San Diego, California, United States
$105k-$185k/yr OnsiteFull Time
TrellisWare Technologies
TrellisWare Technologies: Provides resilient wireless communication systems and tactical networking solutions.
5+ YOEBachelors in mechanical engineering, 5+ years product development/manufacturing experience for high-tech electronics, SolidWorks and FlowSimulation experience, GD&T per ASME Y14.5, thermal modeling, prototyping and fabrication skills, U.S. citizenship or permanent residency.
SolidWorks, FlowSimulation, GD&T, CNC
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6d
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Product Development Engineer
Carlsbad, California, United States
$83k-$125k/yr OnsiteFull Time
Callaway Golf
Callaway GolfNYSE: CALY: Designs and manufactures premium golf equipment and performance gear.
3+ YOEBachelor's degree in engineering or related field, minimum 3 years product development experience, lab testing, prototype development, materials and manufacturing knowledge, statistical analysis experience.
MATLAB, Minitab, JMP
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2d
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Staff Engineer, Mechanical & Actuated Systems (R5293)
Dallas or San Diego
$138k-$207k/yr OnsiteFull Time
Shield AI
Shield AI: Develops autonomous flight software and unmanned aircraft for defense.
7+ YOEB.S. in Mechanical/Aerospace Engineering, 7+ years mechanical/mechanism design, NX CAD, FEA, kinematics, GD&T, materials selection, prototype and test experience.
NX, FEA
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1mo
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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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Sr Mechanical Design Engineer
San Diego, California, United States
$98k-$148k/yr OnsiteFull Time
Illumina
IlluminaNASDAQ: ILMN: Provides genomic sequencing and array-based solutions for genetic analysis.
5+ YOEBachelor's degree in mechanical engineering (or related), 5+ years mechanical design experience with mechanisms, experience in electromechanical/mechatronic systems, CAD proficiency, GD&T and DFM/DFA knowledge, prototyping and testing experience.
SolidWorks, Creo, NX, PDM
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2mo
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Forward Deployed Hardware Engineer
San Diego, California, United States
OnsiteFull Time
Saronic
Saronic: Building autonomous surface vessels for maritime defense operations.
3+ YOEBachelor's in Mechanical, Electrical, or Mechatronics; 3+ years electromechanical experience; hands-on prototyping and field integration; Linux; CAD; basic software tooling.
CAD, SolidWorks, NX, 3D Printing, Multimeters, Oscilloscopes, Linux, Networking, Python, Shell scripting
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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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1mo
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AI Solutions Engineer - JobID-0230
Mount Laurel or Arlington or San Diego
$90k-$184k/yr OnsiteFull Time
Innovative Defense Technologies
Innovative Defense Technologies: Develops AI-enabled software and systems for defense customers, focusing on automation and rapid delivery of mission-critical capabilities.
3+ YOE3+ years technical experience, bachelor\u0002s in CS/Data Science/Engineering or equivalent, U.S. citizenship, able to obtain/maintain Secret clearance, experience with LLMs/generative AI, prototyping, secure software practices, and stakeholder collaboration.
LLMs, MLOps, CI/CD, DevSecOps, NIST 800-53, DISA STIGs, Risk Management Framework, Aegis, SSDS, SLQ-32
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Principal Electrical Engineer
San Diego, California, United States
$148k-$163k/yr OnsiteFull Time
Cubic
Cubic: Develops defense training systems and public transit fare technology.
10+ YOE10+ years CCA/PCB design experience with high-speed signal integrity, power delivery network design, component selection, prototype bring-up, and ability to obtain DOD security clearance.
Altium Designer, Mentor Graphics HyperLynx SI/PI, LT Spice, Xilinx Vivado, Matlab, Polar Speedstack, SI9000, CST, HFSS
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1mo
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Research Engineer (Mechatronics)
Carlsbad, California, United States
$110k-$122k/yr OnsiteFull Time
TaylorMade Golf
TaylorMade Golf: Designs and manufactures high-performance golf equipment and apparel.
3+ YOEExpertise in mechatronics, sensor integration, embedded firmware (C/C++), Python/MATLAB, IoT/wireless protocols, PCB/wiring, CAD, and hands-on prototyping; B.S./M.S./Ph.D. in related field with 3+–5+ years experience depending on degree.
Arduino, Raspberry Pi, STM32, C, C++, Python, MATLAB, OpenCV, CREO, BLE, Wi-Fi, Zigbee, LoRa, MQTT, oscilloscope, multimeter, signal generator, data acquisition systems
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1mo
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Integration & Test Engineer - Effector Systems
El Segundo or Los Angeles or Washington or San Francisco or San Diego or Seattle or London
$130k-$160k/yr OnsiteFull Time
CHAOS Industries
CHAOS Industries: Develops advanced radar and sensing systems for modern defense.
3+ YOEBachelor's degree in engineering or CS, 3+ years I&T or embedded systems experience, hands-on prototype hardware skills, experience with embedded subsystems (GPS, telemetry, flight controllers), Python/C/C++, test automation, and protocol familiarity (MAVLink, CAN, UART, SPI, I2C).
Python, C/C++, Git, CI/CD, MATLAB/Simulink, PX4, ArduPilot, QGroundControl, Mission Planner, MAVLink, CAN, UART, SPI, I2C, HIL, SIL
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Sr. R&D Engineer
San Diego, California, United States
$105k-$125k/yr HybridFull Time
MiniMed Group
MiniMed GroupNasdaq: MMED: A full‑stack insulin delivery focused on developing connected care systems for people living with diabetes.
2+ YOEMaster's in engineering plus 2 years R&D experience for medical devices. Experience with product design/verification/validation, prototyping, FDA QSR 21 CFR 820, ISO 13485, ISO 10993-1, ASTM D4169, risk analysis (FTA, PFMEA, DFMEA, CAPA), DOE, IQ/OQ/PQ, ECOs, GMP/GDP, and SolidWorks/GD&T.
SolidWorks, CADs, Geometric Dimensioning and Tolerancing (GD&T)
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Senior Specialist, Mechanical Engineer (Mechanisms) (39685)
Carlsbad, California, United States
$102k-$189k/yr OnsiteFull Time
L3Harris Technologies
L3Harris TechnologiesNYSE: LHX: Aerospace and defense providing mission-critical technology solutions.
6+ YOEActive Top Secret/Top Secret/SCI clearance, Bachelor's+6 yrs (or Master's+4 yrs or 10 yrs experience), hands-on hardware design, prototyping, test, and stakeholder communication.
Creo, ASME Y14.5
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