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295 performance testing jobs at 172 companies in Manteca, CA

3w
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SSD Performance Analysis Engineer
San Jose, California, United States
$90k-$100k/yr OnsiteFull Time
SK hynix Memory Solutions America
SK hynix Memory Solutions AmericaKorea Exchange: 000660: Develops semiconductor controllers and firmware for enterprise data storage.
2+ YOEMaster's in Computer Science/Electrical Engineering or equivalent; 2+ years hands-on SSD experience; proficiency with Python and C/C++; ability to design and execute SSD performance test plans and analyze results.
Python, C, C++
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3w
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ERS-NETA Electrical Testing Technician - Pleasanton, CA
Pleasanton, California, United States
FieldFull Time
Vertiv
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.
Microsoft Word, Internet
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2w
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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
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1mo
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Senior Engineer, GPU Graphic Core Performance Verification
San Jose, California, United States
$139k-$208k/yr OnsiteFull Time
Samsung Electronics
Samsung ElectronicsKorea Exchange: 005930: Develops and manufactures consumer electronics, semiconductors, and mobile devices.
2+ YOE2+ years experience with a Bachelor’s in computer science/engineering (or Master’s). Strong GPU architecture and performance verification experience; proficiency in C++, Python, Linux; familiarity with OpenGL/Vulkan/OpenCL; performance test and profiling experience.
C++, Python, Linux, OpenGL, Vulkan, OpenCL, SystemC, Sparta, RTL
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6d
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RCA II Testing, 5 hours, Educational Services Center/District Wide
Union City or Hayward
OnsitePart Time
New Haven Unified School District
New Haven Unified School District: Public K-12 education provider in Union City and Hayward.
Must have AA degree or 48+ semester units or verification of passing a county instructional assistant exam; able to perform student assessments, record keeping, and data entry.
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2mo
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Senior QA Engineer – Performance & Reliability
San Jose, California, United States
$100k-$160k/yr OnsiteFull Time
Axiado
Axiado: Creates AI-driven security processors for data center infrastructure.
5+ YOE5+ years embedded system testing; performance verification; reliability engineering; Linux/Unix; Python; CI/CD; hardware/firmware knowledge.
Python, C/C++, Linux, Jenkins, GitLab CI, Git, SPEC, IOzone, iperf
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1w
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Senior Software Engineer, TV Systems Performance
San Jose, California, United States
$174k-$253k/yr OnsiteFull Time
Google
GoogleNASDAQ: GOOGL: Provides online search, advertising, cloud computing, and consumer electronics.
5+ YOEBachelor's or equivalent experience; 5+ years software development (C++, Python); 4 years Android development; 3+ years testing/maintenance and performance analysis; EMR not mentioned.
C++, Python, Android, Gemini
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1mo
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Senior Quality Engineer, Performance and Analytics
New York City or Reno or San Ramon
$114k-$142k/yr HybridFull Time
Ridgeline
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
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1mo
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Software Engineer in Test, E-Commerce AI Product Testing - USDS
San Jose, California, United States
$122k-$266k/yr OnsiteFull Time
TikTok USDS Joint Venture
TikTok USDS Joint Venture: Operates and secures TikTok services for U.S. users.
3+ YOE3+ years software testing/development experience, BS in CS or related, proficiency in Python/Go/Java, hands-on server-side and UI automation and performance testing, and CI/CD experience.
Python, Go, Java, CI/CD, MCP (Model Context Protocol)
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2mo
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Test Operator
San Jose, California, United States
$42k-$46k/yr OnsiteFull Time
Sanmina
SanminaNASDAQ: SANM: Designs and manufactures complex electronics and mechanical systems.
1+ YOEPerforms routine go/no-go tests; sets up test devices; may perform simple repairs; requires 1-2 years in testing; ability to lift 50 lbs; overtime and weekend availability.
MPI, WI, Test Procedures, e-Traveler
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2w
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Test Technician
Milpitas, California, United States
$30-$42/hr OnsiteFull Time
Flex
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.
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1w
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Production Technician
Union City, California, United States
$26-$28/yr OnsiteFull Time
Lanner Electronics
Lanner ElectronicsTaiwan Stock Exchange: 6245: Manufactures advanced network appliances and rugged computing platforms.
Assemble products, perform quality control testing, pack/unpack, document production/testing data, perform repairs, and follow safety/ESD procedures.
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4w
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ATE Test Development Engineer
Irvine or San Jose
$122k-$195k/yr OnsiteFull Time
Broadcom
BroadcomNASDAQ: AVGO: Designs and sells semiconductors and infrastructure software to enterprises.
6+ YOEHands-on experience with Teradyne UltraFlex; develop ATE test programs for high-speed serdes (>100G); debug ATE hardware; perform volume data analysis; programming for test method development; extreme temperature ASIC testing. Bachelor's in Engineering + 8+ years or Master's + 6+ years required.
Teradyne UltraFlex
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1w
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EMC Test Engineer (TERADYNE, San Jose, CA)
San Jose, California, United States
$95k-$153k/yr OnsiteFull Time
Teradyne
TeradyneNASDAQ: TER: Designs and manufactures automated test equipment and advanced robotics systems.
2+ YOE2-5 years EMC test experience, knowledge of EMC/EMI methods and standards, ability to perform pre‑compliance and formal EMC testing, troubleshoot failures, prepare technical documentation, and collaborate with engineering teams.
EMI receivers, spectrum analyzers, VNA, LISNs, Amplifiers, Comb Generators, EMCWare, Naxio, IEC.control
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1d
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Engr, Assoc Test 2
Milpitas, California, United States
$29-$49/hr OnsiteFull Time
KLA
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.
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1w
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STEM Birthday/Event Performer
Walnut Creek, California, United States
$50/hr FieldPart Time
Mad Science
Mad Science: Provides interactive science education and entertainment for children.
Outgoing performer able to present science shows for children, reliable transportation, lift up to 45 lbs, available evenings and weekends, fingerprint/background check and TB test required.
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1w
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STEM Birthday/Event Performer
Hayward, California, United States
$50/hr OnsitePart Time
Mad Science
Mad Science: Hands-on STEM enrichment programs for children.
Outgoing performer for science shows and parties; experience with children (ages 4–12), reliable transportation, ability to lift 45 lbs, evening and weekend availability, fingerprinting and TB test required.
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3w
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System Repair and Test Technician
San Jose, California, United States
$25-$30/hr OnsiteFull Time
Supermicro
SupermicroNASDAQ: SMCI: Designs and manufactures high-performance server and storage solutions.
Test and calibrate server and OEM RMA products, troubleshoot electronic circuits, perform ECO/BIOS upgrades, soldering, and provide onsite customer support; Windows/Linux operation skills preferred.
Windows, Linux, RMA Repair Database
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3w
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Field Engineer
Pleasanton, California, United States
$60-$80/hr FieldFull Time
ABM Industries
ABM IndustriesNYSE: ABM: Provides integrated facility, engineering, and infrastructure management solutions.
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%.
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1mo
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Vehicle Diagnostic Specialist
San Jose, California, United States
FieldFull Time
Snap-on
Snap-onNYSE: SNA: Manufacturer and marketer of professional tools, diagnostics, and equipment.
Experienced automotive technician with diagnostic and scan tool experience, able to collect vehicle data, perform in-field testing, enter test data, and communicate defects to engineering teams.
scan tools, automotive diagnostic software, bug tracking program, word processing software, spreadsheet software
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