Sr. Test Technician

SiTime Corporation•Tempe, AZ

23d•$24 - $31

About The Position

The Sr. Test Technician supports the engineering team in maintaining, debugging, and repairing high-volume Automated Test Equipment (ATE), handlers, and loadboard hardware in a low-to-medium volume final test facility. The role provides line-side technical support, helps ensure equipment uptime, troubleshoots ATE hardware and DUT board interfaces, and performs scheduled preventative maintenance to support zero-defect automotive and industrial product shipments. The technician sets up and operates production machinery, loads devices into automated test handlers, monitors equipment performance, and performs basic cleaning and jam recovery. The role also involves visual and mechanical inspection of die surfaces, bond wires, and package leads, along with recording yield, scrap, and test data in MES/ERP systems and escalating low-yield lots to quality and product engineers.

Requirements

High School Diploma or GED.
Four to six years of experience in automated electronics or semiconductor back-end manufacturing.
Working knowledge of MES software, inventory tracking systems such as ERP/SAP, and basic MS Excel for production logs.
Knowledge of pick-and-place handlers, tape-and-reel sealers, label printers, and vacuum sealers.
English proficiency, including the ability to communicate, collaborate, and perform job responsibilities in a professional business environment.

Nice To Haves

Associate degree.
Direct experience with major ATE platforms such as Advantest V93000 or Teradyne J750/UltraFLEX and industry-standard handlers or probers such as TEL, Hon Precision, or Cohu.
Strong organization and attention to detail.
Ability to follow procedures and maintain accurate production records.
Strong troubleshooting and problem-solving skills in a manufacturing environment.
Teamwork, communication, and shift handoff skills.
Dependability and accountability for meeting production objectives.

Responsibilities

Set up and run production machinery, including ATE test handler loading.
Load device trays or tubes into automated test handlers.
Monitor jam rates, perform basic contactor cleaning, and clear mechanical jams to maintain throughput.
Inspect die surfaces, bond wires, and package leads under optical microscopes for cracks, chip-outs, or solder bridging.
Record pass/fail yields, scrap counts, and test execution data in MES/ERP tracking software.
Flag low-yield lots to quality and product engineers.
Maintain, debug, and repair ATE, handlers, and loadboard hardware.
Provide line-side technical support, troubleshoot ATE hardware and DUT board interfaces, and perform scheduled preventative maintenance.