770 test engineer jobs at 348 companies in Sonoma, CA
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Test Engineer
South San Francisco, California, United States
OnsiteFull Time
Western Magnetics: Manufacturer of electric motors for drones and robots.
3+ YOEBachelor's degree in Electrical or Mechanical Engineering; 3+ years in test engineering; test equipment experience; data analysis; cross-functional collaboration; US work authorization.
Dynamometer, Oscilloscope, Power Analyzer, Data Acquisition System, Statistical Analysis Tools
Peak Energy: Developing sodium-ion battery systems for utility-scale energy storage.
1+ YOEBachelor's in engineering, 1+ years test engineering experience (battery/energy preferred), strong electromechanical fundamentals, data analysis skills, problem solving, and communication.
Form Energy: Developing multi-day batteries for grid-scale energy storage.
4+ YOEBachelor's in engineering with ~4 years test engineering experience; expertise in component/subsystem/system testing, data analysis, test system design, high-voltage and electromechanical testing, and mentoring junior engineers.
Coreshell: Manufacturing high-capacity battery cells using silicon-anode technology.
3+ YOE3+ years hands-on battery test engineering experience; installing, commissioning, calibrating, and maintaining cyclers and environmental chambers; data pipeline and traceability skills; SQL/Python proficiency; strong troubleshooting and vendor management.
Zipline: Operates an autonomous drone delivery system for medical supplies.
Experience designing and building validation systems and automated test infrastructure for electromechanical products; strong mechanical design and measurement system knowledge; automation and data-analysis skills; strong communication.
NX, SolidWorks, Python, LabVIEW, MATLAB, NI Test Stand
Astranis: Builds and operates small geostationary communications satellites.
Bachelor's in nuclear/electrical engineering or physics; hands-on hardware development; experience with radiation-design/testing; circuit testing; US citizenship or green card.
American Turbines: Building compact modular gas turbines for distributed power generation.
Experience testing high-energy rotating or combustion machinery, built or modified test stands, strong instrumentation and DAQ fundamentals, data reduction and scripting (Python), familiarity with high-pressure fuel systems and test safety.
LyftNASDAQ: LYFT: Provides an on-demand ride-hailing and multimodal transportation platform.
3+ YOEBachelor's in engineering, 3+ years firmware testing experience, proficiency with scripting (Python, Bash), embedded systems testing and communication protocols (CAN, UART, I2C, SPI); strong analytical and communication skills.
Python, Bash, CAN, UART, I2C, SPI, Git, CI/CD, HIL, OTA
DoorDashNASDAQ: DASH: On-demand delivery platform connecting consumers with local merchants.
Bachelor's degree in aerospace/mechanical engineering, strong flight-test fundamentals, proficiency in Python, SQL and Git, familiarity reading C++ code, safety-first mindset and experience with flight test instrumentation.
OpenAI: Develops artificial intelligence models and generative AI software services.
5+ YOEBachelor's in EE/CE/Manufacturing or equivalent, 5+ years manufacturing test engineering, experience with ICT/FCT/tray/system-level test, production diagnostics, working with contract manufacturers, and strong analytical/debugging skills.
Mill: Provides smart kitchen bins that recycle food waste.
3+ YOEBS/MS in engineering, 3+ years developing test fixtures and product development experience, electromechanical integration, measurement and instrumentation, DAQ/IO devices, Python scripting, strong cross-functional communication.
Python, Arduino, Raspberry Pi, Raspberry Pi CM, Jetson, SolidWorks, Fusion, NX
Chariot Defense: Develops and manufactures software-defined power systems for military use.
3+ YOEBS/MS in engineering, 3+ years hands-on hardware test and validation, proficiency with Python, LabVIEW, MATLAB/Simulink, DAQ and electrical test equipment, SOLIDWORKS/CAD, prototyping, manufacturing/shop skills, and high-voltage experience.
Astra: Manufacturer of orbital launch vehicles and satellite propulsion systems.
5+ YOE5+ years hands-on test engineering in propulsion or aerospace; owns test stands from concept to operation; experience with high-pressure fluid systems, cryogenics, and DAQ; read drawings; perform hazardous operations.
Skydio: Develops autonomous AI drones for defense and industrial inspection.
5+ YOE5+ years engineering experience in manufacturing (3+ in test development). Strong Python skills, electromechanical test equipment design, root-cause analysis, MES experience, and NPI familiarity. FAA Part 107 encouraged.
Python, Vehicle Testing, Manufacturing Execution System (MES)
Nimble: Building autonomous robotic systems for supply chain fulfillment.
2+ YOEBS/MS in engineering,2+ years hardware or reliability test experience, hands-on debug with multimeters/oscilloscopes/DAQ, ability to read schematics, statistical test design, Linux CLI, Git, and Python/bash scripting.
multimeters, oscilloscopes, DAQ, Linux CLI, Git, Python, bash
Specter: Building a software-defined perception engine for the physical world.
2+ YOE2+ years hardware validation or test experience; bench skills with scopes/multimeters/logic analyzers; fixture and reliability testing experience; Python and Linux scripting; structured root-cause debugging across hardware, firmware, and mechanical.
Carlsbad or Germantown or San Jose or San Francisco or New York City
$95k-$150k/yrOnsiteFull Time
ViasatNASDAQ: VSAT: Provider of global satellite-based connectivity and secure communication solutions.
3+ YOERequires 3+ years of test development experience, a STEM bachelor's degree or related experience, Linux and networking knowledge, lab equipment skills, communication skills, and US citizenship.
Linux, Python, C, C++, Java, DOORS, JAMA, RF test equipment, oscilloscopes, power supplies, boundary scan, OSI model, MAC, IP, TCP, UDP