Senior Wafer Fab Planner - Photonics & InP Ops

Semtech; Alhambra (CA); On-site; USD 82,000 - 117,000; Full time

Job summary

Semtech seeks an experienced Senior Wafer Fab Planner to manage production planning and scheduling for epitaxy and wafer fabrication at two Southern California sites. You will translate die demand into wafer starts, balance fab capacity, manage WIP, and ensure timely availability of tested die for downstream product delivery.

Responsibilities include generating capacity-aware schedules, monitoring throughput, and collaborating with Operations, Engineering, Yield, and Supply Chain to mitigate

Qualifications

• Bachelor’s degree in a relevant field.
• 5+ years of production planning experience in semiconductor manufacturing.
• Experience with ERP/MRP systems and advanced Microsoft Excel skills.
• Excellent analytical, communication, and organizational skills.

Responsibilities

• Develop and maintain master production plans for InP wafer fabrication operations across two manufacturing sites.
• Translate customer and business demand into wafer start requirements.
• Generate weekly, monthly, and quarterly production schedules.
• Plan production loading across approximately five epitaxial growth tools and downstream wafer fabrication operations.
• Perform capacity analysis and identify bottlenecks impacting delivery performance.
• Monitor wafer movement, WIP health, aging lots, and cycle time.
• Maintain die supply plans based on forecast, inventory, yield assumptions, and manufacturing cycle times.
• Partner with Operations, Engineering, Yield Engineering, and Supply Chain teams to resolve risks and drive execution, and develop dashboards and reports for wafer starts, WIP, cycle time, capacity utilization, die inventory, and forecast accuracy.

Skills

Production planning

Capacity planning

Production scheduling

Inventory management

Demand planning

Excel

Analytical skills

Education

Bachelor's degree in Engineering, Supply Chain, Operations Management, Industrial Engineering, Business, or related discipline

Tools

ERP/MRP

MES

Job description

Semtech seeks an experienced Senior Wafer Fab Planner to manage production planning and scheduling for epitaxy and wafer fabrication at two Southern California sites. You will translate die demand into wafer starts, balance fab capacity, manage WIP, and ensure timely availability of tested die for downstream product delivery.

Responsibilities include generating capacity-aware schedules, monitoring throughput, and collaborating with Operations, Engineering, Yield, and Supply Chain to mitigate