It's fun to work in a company where people truly BELIEVE in what they're doing! We're committed to bringing passion and customer focus to the business. If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us! The Senior Fab Planner develops and manages production plans, schedules and the capacity model for a fast-paced III-V semiconductor wafer fab. Responsibilities • Create and manage the master production schedule, translating the customer demand into specific daily and weekly wafer start plan • Monitor and track the work-in-progress (WIP) flow within the fab, ensuing efficient movement of wafer lots to meet output plan and fulfil customer demand requirement • 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 fab throughput and reduce cycle time • Collaborate with marketing, sales, production, and engineering teams to align production plan, manage demand/order changes, and schedule interruptions • Coordinate with purchasing teams to maintain optimal stock levels and prevent shortages or excesses of inventory materials • Track key performance indicators (KPIs), such as on-time delivery (OTD), cycle time, inventory and inventory turn • Drive continuous improvement initiatives to enhance planning efficiency, optimize processes, and increase productivity. Required Qualifications & Skills • Bachelor's or master’s degree in industrial engineering, supply chain management, operations management, or related fields • > 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, WIP management, or inventory planning. • Proficiency in Excel for data management, analysis and reporting • Experience with Oracle systems • Familiarity with fab scheduling, wafer lot dispatch and cycle-time management is preferred • Programming skills are preferred • Attention to details • Strong analytical and problem-solving abilities • Excellent communication and collaboration skills • Able to work in a fast-paced, dynamic, and multi-disciplinary environment Pay Range: P60-USA-1 :$112,050.00 - $160,050.00 Disclaimer: Final base salary for the successful candidate will depend on multiple factors, including but not limited to, job location, where work will be performed, qualifications, work history and relevant experience. With our continual goal of making Lumentum a best place to work for our employees, we strive to offer employees competitive total compensation packages, which may include annual bonus, commission for certain sales roles, equity, and health and welfare benefits.