The Supply Planning Team, organized by Division, serves as the Business Unit's (BU) single point of contact and advocate for all supply-related matters. This team is responsible for proposing and maintaining internal and external inventory targets/build categories in balance with service level targets. This team coordinates allocation and EOL processes and works with the Demand and Capacity Planning team to constrain the URDP during the S&OP process. Along with the Demand Team, Supply and Inventory Planner is responsible for creating "the plan". They are responsible for their end-to-end supply chain and working with any teams required to remove and resolve issues. onsemi is looking for experienced Supply and Inventory Planning Principal who will provide focus to effective strategies, set high personal and linked organizational goals and expectations, and disciplined execution to exceed those goals for ISG Group. You will interface with assigned Business Unit, Sales & Marketing, Manufacturing Management and Finance. Fast-paced, challenging environment that provides growth opportunities. This role is a individual contributor role but with ability to lead cross functionally. Bachelor's degree in supply chain management (SCM) or a related field. A minimum of 8 years of experience in complex supply chain planning organizations. Experience in the semiconductor industry is a plus. Strong analytical skills and attention to detail. Excellent communication and coordination skills. Ability to work under pressure and meet tight deadlines. Experience in inventory control and management. Proficiency in relevant software and tools. Experience in JDA/BY planning systems in the semiconductor industry is a plus. Serve as the BU supply interface and coordinate with demand planning counterparts to ensure that the plans remain aligned. Manage the Iron Triangle - balancing service level, forecast accuracy (loadings and utilization), and inventory. Oversee wafer starts and make final decisions on starts. Plan, manage, and set targets for inventory and build category. Coordinate the allocation process (BUs make decisions) by suggesting an allocation based on BU strategy, setting up allocation in planning systems and monitoring allocation performance until closed. Execute product transfers per BU, manage suggested EOL devices. Drive strategic builds and factory filler. Manage lead time by providing recommendations based on system calculated lead times, Market trends and coordinating with BU to gather decisions what gets published to market. Provide BOQ supply input/coordination, advocate for BU and drive supply reviews and PAL2 and Division levels. Work with procurement and external manufacturing on negotiations (or re-negotiations) for external capacity.