714 testing jobs at 270 companies in Ceres, CA

2mo
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Testing Initiative Coordinator
Modesto or Stockton or Santa Rosa
$69k-$95k/yr HybridFull Time
California Rural Legal Assistance
California Rural Legal Assistance: Providing free legal services to low-income rural California residents.
2+ YOETwo+ years in testing coordination or related civil rights investigations; strong organizational and recruitment skills; data handling and testing ethics awareness; bilingual in English and Spanish preferred.
3d
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Construction Materials Testing Technician Level I/II
Hayward or Stockton or Fresno
$25-$33/hr FieldFull Time
Kleinfelder
Kleinfelder: Professional engineering, design, and construction management services.
1+ YOEAbility to perform field and lab construction materials testing, lift up to 50+ lbs, operate testing equipment, hold multiple field certifications (ACI, Caltrans, NICET, etc.), and travel throughout Northern California.
ultrasonic non-destructive testing machine, concrete cylinder press
5d
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Site Testing Coordinator- KES 2026-2027 School Year (Internal Candidates Only)
Keyes, California, United States
$678/yr OnsitePart Time
Keyes Union School District
Keyes Union School District: Operates public elementary, middle, and charter schools in California.
Part-time, school-year coordinator role for 2026-2027; internal candidates only; stipend position supporting site testing activities.
1mo
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Technical Product Manager – Product Testing & Quality
Morgan Hill, California, United States
$100k-$140k/yr OnsiteFull Time
Specialized
Specialized: Designs and manufactures high-performance bicycles and cycling equipment.
7+ YOE7+ years LIMS experience; enterprise LIMS (STARLIMS); system integration with R&D/PLM; multi-site platform programs; engineering/validation testing domain.
STARLIMS, LIMS, APIs, Middleware, ERP, Data integration
1mo
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R&D Mechanical Engineer - Environmental Testing, Onsite
Livermore, California, United States
$122k-$238k/yr OnsiteFull Time
Sandia National Laboratories
Sandia National Laboratories: Federal research and development laboratory for national security.
3+ YOEBachelor's degree (or equivalent) in a relevant discipline, ability to obtain DOE Q-level security clearance, experience with structural dynamics/environmental testing, proficiency in Python/Matlab/C++, and experience with data acquisition and sensors.
Python, Matlab, C++, accelerometer, load cell, Laser Doppler vibrometer, computer vision
5d
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R&D Mechanical Engineer - Environmental Testing, Onsite
Livermore, California, United States
$122k-$238k/yr OnsiteFull Time
Sandia National Laboratories
Sandia National Laboratories: Conducts science and engineering research for national security.
3+ YOEBachelor's degree or equivalent, ability to obtain DOE Q-level security clearance, 3 years relevant experience preferred, experience with structural dynamics and environmental testing, proficiency in Python/Matlab/C++, strong communication.
Python, Matlab, C++
3mo
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Test Job do not ap.
Morgan Hill, California, United States
OnsiteFull Time
CBIZ
CBIZNYSE: CBZ: Provides professional accounting, insurance, and advisory services.
test
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.
3w
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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
3mo
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Test Engineer, Senior
Morgan Hill, California, United States
$70k-$113k/yr OnsiteFull Time
MACOM
MACOMNASDAQ: MTSI: Designs and manufactures semiconductor products for communications infrastructure.
5+ YOEBS/MS in EE or Physics; 5+ years RF testing; develop/validate automated test systems; calibrate/troubleshoot RF devices; analyze data; document procedures; programming in Python, LabVIEW, C/C++.
Python, LabVIEW, C, C++, VB, JMP
3w
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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)
5d
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Instructional Paraprofessional Learning Assistant - ELD
Modesto, California, United States
OnsitePart Time
Sylvan Union School District
Sylvan Union School District: Provides K-8 public education services to students in Modesto.
Pre-employment physical required; NCLB testing available; application attachments must be scanned into EdJoin; contact district for assistance or testing dates.
1mo
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Engineering Test Technician 2
Morgan Hill, California, United States
$30-$40/yr OnsiteFull Time
Marki Microwave
Marki Microwave: Designs and manufactures high-performance radio frequency and microwave components.
5+ YOEAssociate's degree in Electronics (or equivalent military training), 5+ years testing RF/microwave products, experience with VNAs and wafer probing, microscope/tweezer use, PCB trimming, and strong troubleshooting and communication skills.
multimeters, spectrum analyzers, VNAs, Noise Figure Meters, probe stations, synthesizers, phase noise analyzers, power meters, oscilloscopes, microscope, tweezers, exacto knife
1w
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Substitute Program Leader
Lodi, California, United States
$20/hr OnsitePart Time
Think Together
Think Together: Providing high-quality after-school and early learning educational programs.
High school diploma/GED, experience with children, availability M–F, pass Live Scan background check, TB test, and advanced math/English testing; 48 semester/60 quarter units or pass Instructional Aide Test may be required.
1mo
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Local Delivery Driver - CDL A
Cheektowaga or Stockton or San Francisco or Los Angeles or United States
$29/hr OnsiteFull Time
PepsiCo
PepsiCoNASDAQ: PEP: Global food and beverage manufacturer and distributor.
Must be 21+, hold a valid U.S. CDL A (non-excepted interstate status where applicable), pass DOT physical, DOT road test, drug test and physical capabilities test; able to lift 20-45 lb repeatedly and perform merchandising and invoice settlement.
pallet jacks, hand trucks
2mo
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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
3w
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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; cleanroom and ESD protocol familiarity; mechanical assembly, precision handling, electrical testing, microscope inspection, SPC and data entry skills; ability to follow work instructions and lift light materials.
Data Acquisition Software, Microsoft Excel, Statistical Process Control (SPC), Metrology Equipment, microscopes, dial indicators, digital meters
1w
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Raw Receiver
Turlock, California, United States
$30/hr OnsiteFull Time
Mid Valley Family Foods
Mid Valley Family Foods: Manufacturing and distribution center for dairy and beverage products.
Sample and test incoming raw milk, perform antibiotic testing, maintain GLP records, conduct sanitation and CIP, lift up to 60 lbs, and complete receiving documentation.
1w
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Raw Receiver
Turlock, California, United States
$30/hr OnsiteFull Time
Shehadey Family Foods
Shehadey Family Foods: Processing and distributing dairy products and regional beverages.
Sample and test incoming raw milk tankers, perform antibiotic testing, maintain GLP records, conduct CIP and sanitation, and lift up to 60 lbs in a manufacturing environment.
1mo
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Systems Analyst, Consultant
El Dorado Hills or California or Long Beach or Lodi or Oakland or Rancho Cordova or San Diego or Woodland Hills
$112k-$167k/yr HybridFull Time
Ascendiun
Ascendiun: Nonprofit parent overseeing health insurance and clinical service organizations.
7+ YOEBachelor's degree or equivalent, 7+ years related experience, strong Agile/DevOps/test expertise, Atlassian experience, scripting and testing skills, excellent communication and problem-solving.
Atlassian