191 performance testing jobs at 121 companies in Ripon, CA
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ERS-NETA Electrical Testing Technician - Pleasanton, CA
Pleasanton, California, United States
FieldFull Time
VertivNYSE: VRT: Provides critical power and cooling for data centers.
3+ YOEPerform testing, troubleshooting, and inspection of electrical power distribution and switchgear through 15 kV; NETA exam passed, knowledge of NEC/OSHA/NFPA, strong computer skills, valid driver’s license, able to lift heavy test equipment, and available for significant travel.
Construction Materials Testing Technician Level I/II
Hayward or Stockton or Fresno
$25-$33/hrFieldFull Time
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.
Senior Quality Engineer, Performance and Analytics
New York City or Reno or San Ramon
$114k-$142k/yrHybridFull Time
Ridgeline: Cloud-native platform for investment management operations.
5+ YOE5+ years in quality engineering for SaaS; experience validating performance analytics (TWR, Brinson, P&L), APIs, databases, cloud platforms, automated testing, and collaborating with product and engineering teams. Must be U.S. work authorized.
Claude Code, Cursor, GitHub Copilot, ChatGPT, SQL, OLAP, Columnar, AWS, Azure, Google Cloud, APIs, databases, ETL
FlexNASDAQ: FLEX: Contract electronics manufacturing and supply chain management services.
4+ YOEAssociate degree preferred; minimum 4 years manufacturing/testing experience; strong troubleshooting, electronics, firmware, schematics, and test-equipment skills; ability to perform repairs and support new product introductions.
KLANASDAQ: KLAC: Provides process control and yield management for semiconductor manufacturing.
3+ YOEPerform optical assembly, inspection, testing and troubleshooting in a class 100 cleanroom; follow procedures and checklists; Technical School or 3 years related experience required.
Mad Science: Hands-on STEM enrichment programs for children.
Outgoing performer for children ages 4-12; reliable private transportation, cell phone, ability to lift 45 lbs, available evenings and weekends, background fingerprinting and TB test required.
Mad Science: Provides interactive science education and entertainment for children.
Outgoing performer to present science shows for children (ages 3–12); must lift 45 lbs, have reliable personal transportation, cell phone, available evenings/weekends; fingerprinting and TB test required.
5+ YOE5+ years electrical testing/commissioning experience, ability to perform independent testing and troubleshooting, read electrical diagrams, interpret test results, prepare technical reports, valid driver's license, and ability to travel up to 75%.
Industrial Electric Manufacturing: Manufacturer of custom electrical distribution and power control systems.
1+ YOEPerform start-up, commissioning, testing, troubleshooting, and repair of electrical distribution equipment; read schematics; use hand and testing tools; 1+ years switchgear start-up experience.
Gehl Food & Beverage: Produces shelf-stable dairy and non-dairy food and beverage products.
High school diploma or equivalent; execute quality monitoring, sampling, and physical/chemical testing; perform sanitation/CIP and allergen testing; document and interpret records; communicate effectively and enforce procedures.
SaputoTSX: SAP: Produces and distributes a wide range of dairy products.
Collect and test product and environmental samples, perform microbiological and analytical testing, interpret results, document deviations, support audits and recalls, and maintain regulatory certifications (CDFA, DFA Appendix N, GLP).
GraniteNYSE: GVA: Constructing heavy civil infrastructure and manufacturing building materials.
4+ YOEPerform sampling, testing, and inspection of construction materials in lab and field; interpret specifications; maintain QC logs; obtain required testing certifications; valid driver's license; 4+ years related experience.
Community Medical Centers: Provides primary health, dental, and behavioral care to underserved communities.
Completion of accredited MA training, high school diploma or equivalent, current BLS, competency testing and clinical skills checklist, ability to perform vitals, injections, venipuncture, CLIA-waived testing, and EHR documentation.
Pacific Coast Producers: Produces and packages canned fruits and tomatoes for retailers.
Perform quality verification tests, maintain inventory and sample libraries, document test results and input data into internal databases; ability to stand long periods, lift up to 50 lbs, and use Microsoft Office.
Microsoft Excel, Microsoft Word, Microsoft Outlook, Microsoft Access, PCP cutting summary database, PCP inventory database
CommonSpirit Health: Large non-profit healthcare system providing hospital and medical services.
Current California CLS license, bachelor’s degree in biological or chemical science (CLIA-defined), and training in clinical laboratory science; perform and report complex tests, maintain equipment, and complete quality control and proficiency testing.
Child Nutrition Assistant I - Pittsburg High School - 3.5 hours - (CSEA Employees Apply Here)
Pittsburg, California, United States
OnsitePart Time
Pittsburg Unified School District: Public school district providing K-12 and adult education services.
High school diploma or equivalent; passing PUSD Child Nutrition Assistant I booklet test (70% within 24 months) and pre-employment strength test; ability to perform job duties per job specification.
Costco WholesaleNASDAQ: COST: Operates membership-only warehouse clubs selling a variety of goods.
Perform product testing and inspection, pre-operational visual checks of machinery and work areas, and ensure compliance with company and state policies.
PG&ENYSE: PCG: Provides natural gas and electric service in California.
5+ YOEExecute failure analysis and materials testing, lead projects, perform NDE and destructive examinations, conduct FMEA and integrate results into asset management.