Staff Wafer-Level Testing Equipment Engineer

The role

This person will manage the lifecycle, qualification, and performance of wafer-level testing equipment. They will serve as the subject matter expert for wafer probing, test handling, and associated automation systems.

What you will do

• Lead evaluation, selection, procurement, installation, qualification, and ramp-up of wafer-level testing equipment.
• Serve as subject matter expert for wafer probers, wafer handling systems, test interfaces, probe cards, handlers, and automation systems.
• Develop and execute equipment qualification plans including installation, operational, and performance qualification.
• Drive high equipment availability and utilization by minimizing unscheduled downtime.
• Establish and implement preventive and predictive maintenance programs.
• Optimize equipment performance and utilization to support production throughput and manufacturing ramp.
• Work with WLT Operations and Process Engineering to ensure equipment meets test process requirements.
• Establish and monitor equipment performance metrics like uptime, availability, utilization, MTBF, and MTTR.
• Manage equipment vendors and OSAT suppliers for upgrades, retrofits, and spare parts inventory.
• Collaborate with WLT Operations, Process Engineering, Quality, Industrial Engineering, Supply Chain, and external suppliers.

Required 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.

Nice to have

• Experience working with semiconductor wafer fabs, OSATs, wafer-level test houses, equipment suppliers, or other external manufacturing partners
• Experience in photonics, silicon photonics, optical testing, or advanced semiconductor packaging

Benefits

• Competitive salary and benefits
• Opportunities for career advancement
• Work with a world-class team solving cutting-edge challenges
• Collaborative and innovative work environment

About the company

Lumilens is building photonics infrastructure for AI supercomputing. It is a well-funded startup backed by Mayfield.