Senior Planner

Job Summary

The Demand Planning Manager is responsible for managing demand forecasts, inventory, and coordinating with the supply planning team for the SIP business unit. This position requires strong analytical skills, cross-functional collaboration, and the ability to translate complex supply chain issues into clear business impact.

Responsibilities

• Demand Planning & Forecasting
• Analyze consensus forecasts, sales inputs, and historical trends to validate demand assumptions
• Coordinate with Product Management to validate demand and product lifecycle forecasts
• Participate in S&OP planning processes, preparing analysis and recommendations for leadership
• Supply Planning & Inventory Management
• Cook with foundry and supply planning partners on wafer releases, allocation, and delivery schedules
• Develop recommendations for material prebuilds, safety stock strategies, and buffer builds
• Maintain WIP inventory levels and Days of Inventory (DOI) targets
• Analyze slow-moving and excess inventory, developing disposition strategies
• Product Lifecycle & EOL
• Lead end-of-life (EOL) planning activities including Last Time Buy (LTB) quantity calculations and Last Time Ship (LTS) planning
• Manage product lifecycle transitions (new product introductions, fab transfers, tester migrations)
• Cross-Functional Collaboration
• Translate engineering and manufacturing issues into business impact language for executive communication
• Work with Sales and Operations teams on customer allocation decisions and urgent order prioritization
• Systems & Data Management
• Maintain demand planning data in SAP APO and other planning systems
• Generate reports and analysis using Excel, SAP, and business intelligence tools
• Support system improvements and process automation initiatives
• Provide backup coverage for team operations including delinquency reporting and data uploads

Qualifications

• Bachelor’s degree in Business, Supply Chain Management, Engineering, or related field
• 5+ years of experience in demand planning, supply chain planning, or operations planning
• Experience in semiconductor or high-tech electronics manufacturing environment
• Strong analytical skills with advanced Excel proficiency
• Experience with ERP/MRP systems (SAP preferred)
• Excellent written and verbal communication skills with ability to present complex information clearly
• Prioritized ability to work effectively across multiple functional teams and time zones
• Proven ability to make decisions with incomplete information
• Self-motivated with ability to manage multiple priorities in a fast-paced environment

Desired Qualifications

• APICS CPIM or CSCP certification
• Experience with semiconductor foundry and OSAT operations
• Knowledge of photonics or optical communications products
• Familiarity with S&OP planning processes
• Experience managing product end-of-life transitions
• PowerPoint presentation skills for executive audiences