We are seeking an experienced Test Maintenance Engineer to support and sustain Final Test (FT) operations in a high-volume semiconductor manufacturing environment. This role focuses on maintaining stable test performance, resolving production test issues, supporting equipment and hardware, and ensuring consistent product quality and manufacturing efficiency.
Key Responsibilities
- Sustain and maintain FT ATE test programs for mass production
- Provide daily production test support to ensure stable test operations
- Troubleshoot and resolve test-related issues including yield drops, tester alarms, and test escapes
- Perform test correlation, limit validation, and guard band verification
- Support test hardware maintenance (load boards, sockets, cables, probe interfaces)
- Coordinate with Equipment, Process, and Manufacturing teams to resolve tester and handler issues
- Monitor and analyze FT yield, bin distribution, and test performance metrics
- Support engineering change implementation (ECR / ECO) related to test
- Assist in NPI FT handover from development to mass production
- Support temperature testing, re-test, and containment activities
- Participate in failure analysis and root cause investigations
- Prepare and maintain test-related documentation and reports
