Senior Technician - PM

Job Responsibilities:

• Maintain tester cleanliness by removing dust to prevent contamination on TOSA/ROSA modules.
• Install and measure grounding systems to protect products from ESD (Electrostatic Discharge).
• Inspect and test RCBO functionality to ensure proper tripping during electrical abnormalities.
• Verify KLC temperature control accuracy using a calibrator.
• Check UPS battery condition to protect PCs from unexpected power failures.
• Perform sniffer tests to detect EOS (Electrical Overstress) on test boards.
• Replace booster tank and OSA/Yokogawa filters according to the preventive maintenance schedule.
• Troubleshoot and resolve PM-related issues, including power trips, no power supply, fixture failures, and start-up issues.
• Measure and calibrate DC power supplies to prevent start-up errors and improve production yield.
• Inspect test cages for defects that may cause phantom scratches on module shells.
• Perform 5S activities on testers, including housekeeping, proper equipment alignment, cable management, and tester ID labeling.
• Carry out scheduled preventive maintenance (PM) activities on production testers and equipment.
• Update the spare parts inventory system by recording the withdrawal of maintenance items.
• Report equipment abnormalities promptly to minimize impact on testing, yield, quality, safety, and the production environment.
• Ensure compliance with all safety and quality standards while performing maintenance activities in the production area.