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74 test engineering jobs at 38 companies in Modesto, CA

1mo
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Test Engineer
Byron, California, United States
$118k-$190k/yr OnsiteFull Time
Elroy Air
Elroy Air: Builds autonomous vertical takeoff and landing aircraft for cargo logistics.
2+ YOEBachelor's in engineering, 2+ years test experience in hardware verification or lab testing, hands-on with propulsion/battery/EV systems, DAQ (National Instruments, Dewesoft), proficiency with Python, MATLAB, or LabVIEW, and strong troubleshooting and reporting skills.
National Instruments, Dewesoft, Python, MATLAB, LabVIEW, CAD, DAQ, HIL
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2mo
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Sr. Flight Test Engineer
Mountain View or San Martin
$190k-$260k/yr OnsiteFull Time
Reliable Robotics
Reliable Robotics: Develops autonomous flight systems for commercial and cargo aviation.
7+ YOEBachelor's in Mechanical/Electrical/Aerospace or related; 7+ years experimental flight test; test planning/leadership; aeronautical radio calls; risk assessments.
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3mo
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Communications Systems Test Engineer
Livermore, California, United States
$190k-$215k/yr OnsiteFull Time
Aalyria
Aalyria: Provides laser communications and networking platforms for aerospace.
2+ YOEClearable or eligible for clearance; degree in Electrical/ Optical Engineering; 2-5 years lab experience with high-speed comm systems; MATLAB/Python skills; experience with high-speed test equipment; knowledge of coherent optical systems.
Bit Error Rate Testers, Arbitrary Waveform Generators, Oscilloscopes, Optical Spectrum Analyzers, Optical Power Meters, Variable Optical Attenuators, Polarization Controllers, Matlab, Python
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2mo
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Manager II, Engineering
Pleasanton, California, United States
$170k-$230k/yr HybridFull Time
Blackhawk Network
Blackhawk Network: Provider of global branded payment and gift card solutions.
7+ YOE2+ Mgmt7+ years software development experience (or 9+ equivalent), 2+ years managing engineers, expertise in modern JavaScript/TypeScript and React, front-end performance and accessibility, front-end testing, API patterns, cloud experience (AWS preferred), and strong cross-functional communication.
JavaScript, TypeScript, React, Jest, Cypress, Playwright, Next.js, REST, GraphQL, AWS, CI/CD
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Manager II, Engineering
Pleasanton, California, United States
$170k-$230k/yr HybridFull Time
Blackhawk Network
Blackhawk Network: Provider of branded payment solutions and gift cards.
7+ YOE2+ Mgmt7+ years software development experience (or 9+ years equivalent), 2+ years management experience, strong front-end expertise with JavaScript/TypeScript and React, experience with performance, accessibility (WCAG), testing (Jest, Cypress, Playwright), and cloud (AWS).
JavaScript, TypeScript, React, Jest, Cypress, Playwright, Next.js, REST, GraphQL, AWS, WCAG, Core Web Vitals
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UAV Build & Test Technician
San Leandro or Merced
$90k-$110k/yr OnsiteFull Time
Grid Aero
Grid Aero: Independent aerospace focused on autonomous aviation systems.
5+ YOEA.S. or B.S. in Mechanical/Electronics Technology, Aviation Maintenance, or related field; or 5+ years in R&D technician roles; strong mechanical and electrical aptitude.
Manual Lathe, Mill, Band Saw, Soldering, Crimping, Rivet Guns, Bucking Bars, Dial Indicators, Calipers, Schematic Reading
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Assembly & Test Technician II
Livermore, California, United States
$22-$29/hr OnsiteFull Time
FormFactor
FormFactorNASDAQ: FORM: Manufacturer of semiconductor test and measurement equipment.
1+ YOE1-2 years related experience in clean-room production; perform equipment setup, calibration, preventative maintenance, process monitoring, data collection, troubleshooting, and support engineering experiments.
Autodesk AutoCAD Mechanical, Microsoft Excel, Microsoft Office, PROMIS
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2d
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Cleared Member/Senior R&D Systems Engineer - W87-1 Flight Test Vehicle System Engineer, Onsite
Livermore, California, United States
$122k-$238k/yr OnsiteFull Time
Sandia National Laboratories
Sandia National Laboratories: Federal research and development laboratory for national security.
Bachelor's in a relevant discipline or equivalent experience; active DOE Q clearance required to start; systems engineering, integration, test, instrumentation, requirements management, and basic programming experience; able to work onsite and travel up to 25%.
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Principal Air Quality Engineer (Source Test)
San Francisco or Alameda County or Contra Costa County or Marin County or San Mateo County or Santa Clara County or Napa County or Solano County or Sonoma County or California
$145k-$177k/yr HybridFull Time
Bay Area Air Quality Management District
Bay Area Air Quality Management District: Regulates stationary air pollution sources to protect public health.
4+ YOEBachelor's degree in engineering (environmental/chemical/mechanical/petroleum) or closely related field and four years of air quality/environmental engineering experience; experience with source testing, permit review, rule development, emissions calculations, QA/QC, and supervising staff; valid California driver's license; pass physical/lift test.
Continuous Emission Monitoring System (CEMS)
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2mo
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Cleared Senior/Principal R&D Electrical Engineer - Telemetry Engineering, Onsite
Livermore, California, United States
$140k-$281k/yr OnsiteFull Time
Sandia National Laboratories
Sandia National Laboratories: Conducts science and engineering research for national security.
5+ YOEBachelor's degree plus 5 years' relevant experience (or equivalent), active DOE L-level clearance to start and ability to obtain DOE Q-level, PCB/PWA design and ECAD skills, benchtop and assembly testing, vendor procurement, and up to 25% travel.
ECAD, Mentor Graphics, Siemens Electronic Design Automation, Altium Designer, Hyperlynx Power and Signal Integrity, oscilloscopes, logic analyzers, network analyzers, spectrum analyzers, function generators, pulse generators
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2mo
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ERS-NETA Supervising Engineer - Pleasanton, CA
Pleasanton, California, United States
OnsiteFull Time
Vertiv
VertivNYSE: VRT: Provides critical power and cooling for data centers.
0+ YOEEntry-level supervising engineer with electrical testing and project supervision exposure; degree in Electrical/Mechanical Engineering or relevant experience; must have valid driver's license.
Microsoft Word, computer-controlled test equipment, testing instruments
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2mo
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Electrical Engineer – Unmanned Systems & Ground Penetrating Radar
Livermore, California, United States
$122k-$186k/yr HybridFull Time
Lawrence Livermore National Laboratory
Lawrence Livermore National Laboratory: Develops science and technology for United States national security.
0+ YOEBachelor’s in electrical engineering; PCB design experience; electrical system integration; lab testing; strong collaboration and communication.
Altium Designer, Oscilloscope, Multimeter, Power supplies, PCB fabrication and assembly coordination
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3mo
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Senior Staff Engineer - Electrical
Pleasanton, California, United States
$175k-$215k/yr OnsiteFull Time
Vector Atomic
Vector Atomic: Develops precision quantum sensors for navigation and timing applications.
12+ YOEPh.D. or Master’s in Electrical Engineering with 12+ years or equivalent; 8+ years PCB design; Altium; lab testing; US export compliance.
Altium Designer, ECAD tools
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1mo
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Sr Software Development Engineer, Product Engineering – API Platform & Agentic AI
Pleasanton, California, United States
$176k-$264k/yr HybridFull Time
Workday
WorkdayNASDAQ: WDAY: Provides cloud-based software for financial and human capital management.
8+ YOE8+ years software engineering experience; 5+ years with TypeScript or Python; Bachelor's in CS/Engineering or equivalent; strong algorithms, API design (REST/GraphQL/SOAP/OpenAPI), testing, observability, and mentoring skills.
TypeScript, Python, OpenAPI, Swagger, REST, SOAP, GraphQL, JUnit, ScalaTest, Postman, Mockito, JaCoCo, Scoverage, Git, Cursor, Claude Code, GitHub Copilot, MCP
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4d
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Systems Engineer I
Pleasanton or Atlanta or Burlington
$74k-$116k/yr OnsiteFull Time
Abbott
AbbottNYSE: ABT: Manufactures medical devices, diagnostics, and nutritional health products.
Bachelor's in engineering or computer science required; systems engineering for medical devices, requirements management, verification/validation, testing, RF/Bluetooth/NFC familiarity, knowledge of ISO/FDA design controls; ability to analyze and document system requirements.
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3mo
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Senior Electrical Engineer - Intelligent Transportation Systems (ITS) & Surveillance
Livermore, California, United States
$75k-$164k/yr OnsiteFull Time
GILLIG
GILLIG: Designs and manufactures heavy-duty transit buses for public transportation.
5+ YOEBachelor's in Engineering; 5+ years automotive/electrical design; BOM management; CAD (Zuken/Capital/AutoCAD); CANbus; ITS systems; hands-on testing.
Zuken, Capital, AutoCAD, CANalyzer, Oscilloscopes, Multimeters, Power supplies
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3w
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Material Applications Engineer
Riverbank, California, United States
$82k-$115k/yr OnsiteFull Time
Silgan Holdings
Silgan HoldingsNYSE: SLGN: Manufactures metal and plastic packaging for consumer goods.
Bachelor's in materials/engineering/chemistry/food packaging; experience with coatings, sealants, manufacturing support, material trials, testing, and supplier collaboration; strong problem-solving and communication skills.
Microsoft Office
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2w
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Senior GNC Engineer
Pleasanton, California, United States
$160k-$210k/yr OnsiteFull Time
Benchmark Space Systems
Benchmark Space Systems: Manufacturer of propulsion systems for small satellites.
5+ YOEBachelor's in relevant engineering/physics,5+ years GNC experience on space vehicles,proficiency with MATLAB/Simulink,experience with HIL validation,control theory,orbital/mechanics knowledge and ability to implement and test flight software.
MATLAB, Simulink, C, Rust, GMAT, STK, FreeFlyer, cFS, F'
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Manufacturing Engineer 3 - NPI
Livermore, California, United States
$130k-$150k/yr OnsiteFull Time
FM Industries
FM Industries: Manufacturing precision components and coatings for semiconductor equipment.
7+ YOEB.S. or M.S. in Engineering (Mechanical or Materials), 7+ years precision manufacturing experience; develop lean processes, support customers, lead NPI projects; proficiency with ERP, CAD, Microsoft Excel/PowerPoint; cleanroom & testing experience.
ERP, 3D CAD, CAD, Microsoft Excel, Microsoft PowerPoint, mill, lathe, screw machine
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R&D Mechanical Engineer
Livermore or Boca Raton
$115k-$130k/yr OnsiteContract
Geosyntec Consultants
Geosyntec Consultants: Engineering and environmental consulting firm providing design services.
5+ YOEBachelor's in Mechanical Engineering, 5+ years experience, hands-on mechanical design and testing (shock, vibration, thermal), CREO/PDMLink/CAD/FEA experience, GD&T, fabrication and manufacturing knowledge, ability to obtain DOE Q clearance and U.S. Citizenship required.
CREO, PDMLink, FEA, CAD, MCAD, FDM, GD&T
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