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Staff Wafer-Level Testing Equipment Engineer

Lumilens· Operations
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SingaporeFull-timePosted 1mo ago

About the role

This role leads lifecycle management, qualification, performance, and operational excellence of wafer-level testing equipment across Lumilens’ manufacturing operations. Acts as equipment owner and SME for wafer probing, test handling, and related equipment, driving selection, installation, qualification, troubleshooting, maintenance, and continuous improvement in a fast-paced semiconductor environment.

Responsibilities

  • Equipment Lifecycle Management: Lead the evaluation, selection, procurement, installation, qualification, and ramp-up of wafer-level testing equipment and associated infrastructure.
  • Wafer-Level Test Equipment Ownership: Serve as the subject matter expert and equipment owner for wafer probers, wafer handling systems, test interfaces, probe cards, handlers, and associated test equipment and automation systems.
  • Equipment Buy-off & Qualification: Develop and execute equipment qualification plans, including installation qualification, operational qualification, performance qualification, and manufacturing readiness activities.
  • Equipment Uptime & Availability: Drive high equipment availability and utilization by proactively identifying equipment-related constraints and minimizing unscheduled downtime.
  • Preventive & Predictive Maintenance: Establish and implement effective preventive and predictive maintenance programs to improve equipment reliability, reduce downtime to ensure consistent operational efficiency & yield, and extend equipment life.
  • Equipment Capability & Optimization: Optimize equipment performance, capability, and utilization to support wafer-level testing requirements, production throughput, and manufacturing ramp.
  • Equipment Process Integration: Work closely with WLT Operations/Process Engineering to ensure equipment capability and performance meet test process requirements and production specifications.
  • Equipment Data & Performance Monitoring: Establish and monitor equipment performance metrics such as uptime, availability, utilization, MTBF, MTTR, and maintenance performance.
  • Vendor & Spare Parts Management: Manage equipment vendors and OSAT suppliers for tool upgrades, retrofits, and spare parts inventory to ensure zero production line stops due to tool hardware failures.
  • Cross-Functional Collaboration: Work closely with WLT Operations/Process Engineering, Quality, Industrial Engineering, Supply Chain, and external equipment suppliers to ensure successful equipment deployment and stable production execution.

Qualifications

  • Bachelor’s degree in Mechanical Engineering, Electrical Engineering, Mechatronics, Automation Engineering, or a closely related discipline.
  • Minimum 5 years of hands-on experience operating, troubleshooting, qualifying, and maintaining semiconductor wafer-level testing equipment.
  • Strong understanding of wafer probing, wafer handling, test interfaces, probe cards, handlers, and automated wafer-level test systems.
  • Strong experience in equipment troubleshooting, root-cause analysis, preventive maintenance, and corrective action.
  • Experience with equipment performance metrics, including uptime, utilization, MTBF, MTTR, and equipment capability.
  • Strong cross-functional communication and project management skills, with the ability to drive technical issues to closure across internal and external teams.
  • Experience working with semiconductor wafer fabs, OSATs, wafer-level test houses, equipment suppliers, or other external manufacturing partners is highly preferred.
  • Experience in photonics, silicon photonics, optical testing, or advanced semiconductor packaging is a strong advantage.

Skills

Required:Wafer probingEquipment troubleshootingEquipment qualificationCross-functional collaboration

Benefits

  • Competitive salary and benefits
  • Opportunities for career advancement
  • Work with a world-class team solving cutting-edge challenges
  • Collaborative and innovative work environment
Last updated Sep 12, 2026. Interested? Apply on the company site.

About Lumilens

Connectivity Platform for AI

Lumilens provides next-gen photonic interconnects for massively scaling out – and scaling up – AI compute infrastructure.

Photonic InterconnectsNext-Gen ManufacturingSystem-level knowledgeLumicore platformCPO/SiPh manufacturing
Company profileWebsite

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