Senior Demand Planner

Job Summary: Coherent is seeking a Demand Planner to support the Demand Management function for the Semiconductor Devices Business Group (SDG). The role is responsible for demand planning, forecast management, cross-functional coordination, planning analytics, and S&OP support. This position partners with Sales, Manufacturing, Supply Chain, and Operations to improve demand visibility, planning accuracy, and demand-to-supply alignment across multiple manufacturing sites.