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Lumilens

Staff Wafer-Level Testing Equipment Engineer

LocationSingapore
Work modeon-site
Typefull-time
DepartmentOperations
Company size51+ people
First seen2w ago
Last seen2d ago
About Lumilens
At Lumilens, we are building the essential photonics infrastructure that will drive tomorrow’s AI supercomputing. From chip-to-chip optical interconnects to scalable photonic engines, Lumilens is ushering in a new era of computing that is faster, cooler, and dramatically more efficient. We’re a well-funded startup backed by Mayfield and led by veterans who have built and scaled some of the industry’s most transformative technologies.
About the Role
This is a critical technical role responsible for the lifecycle management, qualification, performance, and operational excellence of wafer-level testing equipment across Lumilens’ manufacturing operations. You will serve as the equipment owner and subject matter expert for wafer probing, test handling, and associated wafer-level test equipment, driving equipment selection, installation, qualification, troubleshooting, maintenance, and continuous improvement.
The ideal candidate brings strong hands-on experience with semiconductor wafer-level testing equipment and thrives on improving equipment reliability, availability, and capability in a fast-paced manufacturing environment.
Key Responsibilities
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Equipment Lifecycle Management: Lead the evaluation, selection, procurement, installation, qualification, and ramp-up of wafer-level testing equipment and associated infrastructure.
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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.
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Equipment Buy-off & Qualification: Develop and execute equipment qualification plans, including installation qualification, operational qualification, performance qualification, and manufacturing readiness activities.
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Equipment Uptime & Availability: Drive high equipment availability and utilization by proactively identifying equipment-related constraints and minimizing unscheduled downtime.
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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.
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Equipment Capability & Optimization: Optimize equipment performance, capability, and utilization to support wafer-level testing requirements, production throughput, and manufacturing ramp.
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Equipment Process Integration: Work closely with WLT Operations/Process Engineering to ensure equipment capability and performance meet test process requirements and production specifications.
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Equipment Data & Performance Monitoring: Establish and monitor equipment performance metrics such as uptime, availability, utilization, mean time between failures (MTBF), mean time to repair (MTTR), and maintenance performance.
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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.
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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.
Requirements & Qualifications
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Bachelor’s degree in Mechanical Engineering, Electrical Engineering, Mechatronics, Automation Engineering, or a closely related discipline.
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Minimum 5 years of hands-on experience operating, troubleshooting, qualifying, and maintaining semiconductor wafer-level testing equipment.
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Strong understanding of wafer probing, wafer handling, test interfaces, probe cards, handlers, and automated wafer-level test systems.
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Strong experience in equipment troubleshooting, root-cause analysis, preventive maintenance, and corrective action.
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Experience with equipment performance metrics, including uptime, utilization, MTBF, MTTR, and equipment capability.
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Strong cross-functional communication and project management skills, with the ability to drive technical issues to closure across internal and external teams.
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Experience working with semiconductor wafer fabs, OSATs, wafer-level test houses, equipment suppliers, or other external manufacturing partners is highly preferred.
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Experience in photonics, silicon photonics, optical testing, or advanced semiconductor packaging is a strong advantage.
Benefits
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Competitive salary and benefits
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Opportunities for career advancement
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Work with a world-class team solving cutting-edge challenges
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Collaborative and innovative work environment
Legal
Lumilens is committed to building a diverse and inclusive workplace. We are proud to be an equal opportunity employer.
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