Senior Tester

Job description

Perform scheduled preventive maintenance (PM) on lithography tools (scanners, steppers, tracks) and associated inspection/metrology systems, following OEM and client procedures. • Support corrective maintenance: troubleshoot faults at module and board level, replace parts, and run post-maintenance qualifications to return tools to production. • Carry out calibrations, alignments and performance checks, and record results against tool specifications. • Respond to tool-down calls within shift SLAs and escalate to senior FSEs or OEM support when needed. • Log all work accurately in the client's CMMS/ticketing system, including parts used, downtime and root cause. • Assist with tool installations, upgrades, retrofits and de-installations. • Monitor spare-parts usage and flag consumables and critical spares for replenishment. • Follow cleanroom protocols, lock-out/tag-out (LOTO) and EHS requirements (SEMI S2/S8 aware) at all times. • Contribute to uptime, MTBF and MTTR improvement through shift handovers, issue tracking and lessons learned. • Work rotating shifts, including nights, weekends and on-call, in line with fab operating needs. Key Responsibilities Perform scheduled preventive maintenance (PM) on lithography tools (scanners, steppers, tracks) and associated inspection/metrology systems, following OEM and client procedures. • Support corrective maintenance: troubleshoot faults at module and board level, replace parts, and run post-maintenance qualifications to return tools to production. • Carry out calibrations, alignments and performance checks, and record results against tool specifications. • Respond to tool-down calls within shift SLAs and escalate to senior FSEs or OEM support when needed. • Log all work accurately in the client's CMMS/ticketing system, including parts used, downtime and root cause. • Assist with tool installations, upgrades, retrofits and de-installations. • Monitor spare-parts usage and flag consumables and critical spares for replenishment. • Follow cleanroom protocols, lock-out/tag-out (LOTO) and EHS requirements (SEMI S2/S8 aware) at all times. • Contribute to uptime, MTBF and MTTR improvement through shift handovers, issue tracking and lessons learned. • Work rotating shifts, including nights, weekends and on-call, in line with fab operating needs. Skill Requirements Diploma in Electronics, Electrical, Mechatronics, Mechanical or a related engineering field. • 1–3 years' hands-on experience in semiconductor fab equipment maintenance, preferably on lithography, inspection systems or comparable equipment. • Working knowledge of electronics, electro-mechanical systems, vacuum, pneumatics and basic optics. • Able to read schematics, interlock diagrams and OEM manuals, and use standard test equipment (multimeter, oscilloscope). • Experience working in a cleanroom environment under strict safety and contamination-control protocols. • Willing to work rotating shifts and be on call. • Singapore Citizen or Singapore Permanent Resident. Malaysian citizens are also welcome to apply. Other Requirements Preferred and good-to-have • Exposure to DUV or EUV lithography scanners, track systems, or wafer inspection/metrology tools. • OEM training certificates or formal equipment courses. • Familiarity with SECS/GEM, tool logs and data-driven troubleshooting. • Basic understanding of SPC, uptime/MTBF/MTTR metrics and 8D or root-cause analysis Apply now Information at a Glance Why HCLTech? At HCLTech, you'll supercharge your potential. You'll find your career. And you'll find your spark. All at a place that knows that helping its customers stay on top starts by putting its people first. HCLTech is a global technology company, home to more than 230,000 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products. 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