Sr. Fab Planner

Lumentum•San Jose, CA

1d•$112,050 - $160,050

About The Position

The Senior Fab Planner develops and manages production plans, schedules, and the capacity model for a fast-paced III-V semiconductor wafer fab. The role translates customer demand into daily and weekly wafer-start plans, monitors work-in-progress flow, and works across teams to support fab output and customer requirements. It also analyzes constraints and bottlenecks, tracks operational performance, and drives improvements to planning efficiency and productivity.

Requirements

Bachelor's or master's degree in industrial engineering, supply chain management, operations management, or a related field.
More than 6 years of work experience in factory planning, production scheduling, or supply chain management.
Knowledge of semiconductor manufacturing processes and supply chain principles.
Experience with production planning, capacity modeling, demand forecasting, work-in-progress management, or inventory planning.
Proficiency in Excel for data management, analysis, and reporting.
Experience with Oracle systems.
Attention to detail.
Strong analytical and problem-solving abilities.
Excellent communication and collaboration skills.
Ability to work in a fast-paced, dynamic, and multidisciplinary environment.

Nice To Haves

Familiarity with fab scheduling, wafer lot dispatch, and cycle-time management.
Programming skills.

Responsibilities

Create and manage the master production schedule, translating customer demand into a specific daily and weekly wafer-start plan.
Monitor and track work-in-progress flow within the fab to ensure efficient movement of wafer lots and meet output plans and customer demand requirements.
Develop, maintain, and improve the fab capacity model using current demand, product mix, process routings, equipment capacity, operating assumptions, and other relevant constraints.
Identify, analyze, and resolve production bottlenecks related to equipment performance, material availability, or labor resources to maximize throughput and reduce cycle time.
Collaborate with marketing, sales, production, and engineering teams to align production plans, manage demand and order changes, and schedule interruptions.
Coordinate with purchasing teams to maintain optimal stock levels and prevent shortages or excess inventory.
Track key performance indicators, including on-time delivery, cycle time, inventory, and inventory turn.
Drive continuous improvement initiatives to enhance planning efficiency, optimize processes, and increase productivity.