Wafer-Level Test Equipment Lead – Maximize Uptime & Yield

Lumilens; Singapore; On-site; SGD 120,000 - 180,000; Full time

Benefits offered by this job

Competitive salary and benefits

Career advancement opportunities

Collaborative and innovative team

Job summary

Lumilens is hiring for a senior wafer-level test equipment lead in Singapore. You will own the lifecycle management, qualification, performance, and operational excellence of wafer-level testing equipment across Lumilens manufacturing operations.

The role demands hands-on experience with wafer probing, handling, and test interfaces, with a focus on reliability, uptime, and continuous improvement in a fast-paced photonics-driven environment.

Qualifications

• Bachelor’s degree in Mechanical, Electrical, Mechatronics, Automation, or related field.
• Minimum 5 years of hands-on experience with semiconductor wafer-level testing equipment.
• Strong knowledge of wafer probing, handling, test interfaces, probe cards and handlers.
• Experience with equipment troubleshooting, root-cause analysis, and preventive maintenance.
• Familiar with uptime, MTBF, MTTR and equipment capability metrics.
• Proven cross-functional communication and project management skills.
• Experience with OSATs, tool suppliers, or external manufacturing partners is preferred.
• Experience in photonics/optical testing or advanced semiconductor packaging is a plus.

Responsibilities

• Lead the evaluation, selection, procurement, installation and ramp-up of wafer-level testing equipment.
• Own wafer probers, wafer handling systems, test interfaces and automation systems.
• Develop and execute equipment qualification plans including IQ/OQ/PQ and readiness activities.
• Drive high equipment uptime and utilization by identifying constraints and reducing downtime.
• Establish preventive and predictive maintenance programs to improve reliability and yield.
• Collaborate with WLT Operations/Process Engineering to meet test specs and production needs.
• Monitor performance metrics like MTBF, MTTR and maintenance efficiency.
• Manage vendors and spare parts to avoid production stops due to tool failures.
• Coordinate with Quality, Engineering, Supply Chain and external partners for successful deployment.

Skills

Wafer probing

Wafer handling

Troubleshooting

Project management

Cross-functional collaboration

Root-cause analysis

Education

Bachelor’s degree in Mechanical/Electrical/Mechatronics/Automation

Tools

Wafer probers

Probe cards

Test interfaces

Manufacturing equipment

Job description

Lumilens is hiring for a senior wafer-level test equipment lead in Singapore. You will own the lifecycle management, qualification, performance, and operational excellence of wafer-level testing equipment across Lumilens manufacturing operations.

The role demands hands-on experience with wafer probing, handling, and test interfaces, with a focus on reliability, uptime, and continuous improvement in a fast-paced photonics-driven environment.