Set up , operate  and maintain production test machines and test stations.Debug and troubleshoot hardware -related issues in test equipment (electrical, mechanical ,sensors fixtures).Support new product introduction (NPI) by preparing and validating test fixtures ,jigs ,and test setups.Work closely with Process Engineering and Production teams to resolve machine-related test failures .Perform root cause analysis for test station downtime or abnormal test results .Ensure calibration ,preventive maintenance ,and stability of test equipment .Optimize test cycle  time and station efficiency without impacting  product quality.Document test issues , countermeasures and corrective action .Ensure compliance with ESD, safety, and manufacturing  quality standards.