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onsemi is seeking a Capacity Planner to develop long-term external backend capacity plans and strategies supporting the company's growth objectives. This role partners closely with Business Units, Supply Chain, Procurement, and Operations teams to understand capacity requirements and proactively secure manufacturing capacity with external backend subcontractors.
Key responsibilities include analyzing forecast trends, evaluating capacity constraints, assessing supply risks, and recommending strategies to ensure adequate probe, assembly, and test capacity meets future business needs. You will develop dashboards and reports tracking demand, capacity utilization, supply coverage, and risk exposure across multiple planning horizons. The role requires identifying future capacity gaps and bottlenecks across key technologies and package platforms, performing capacity scenario analysis to support business growth plans, and developing strategic plans to secure sufficient manufacturing capacity in alignment with business objectives.
You will recommend sourcing, allocation, and capacity reservation strategies with backend subcon partners, evaluate alternate sourcing and capacity expansion opportunities, and support development of long-term capacity agreements and strategic partnerships. Cross-functional collaboration is essential—you'll partner with Business Units, Supply Chain, Procurement, Manufacturing, and Finance teams to drive data-driven decisions through analytical insights and strategic recommendations. You'll collaborate with sourcing and operations teams to understand key suppliers' capabilities, capacity roadmaps, expansion plans, and constraints, and support negotiations related to long-term capacity planning and supply assurance.
The successful candidate will analyze capacity-related risks across the external manufacturing network, identify potential supply constraints and develop mitigation strategies, and support annual operating plans and long-range strategic planning activities. Strong analytical skills, strategic thinking, and the ability to influence cross-functional stakeholders and external partners are essential.
REQUIREMENTS:
- Bachelor's degree in Supply Chain Management, Engineering, Operations, Business, or related field
- 10+ years of experience in supply chain, capacity planning, or semiconductor manufacturing
- Experience working with semiconductor OSATs with knowledge of manufacturing process, cycle time, and supply chain
- Technical background is a plus
- Strong analytical and problem-solving skills with ability to interpret complex data
- Proficiency in Excel and data analysis tools, especially with AI
- Excellent communication and stakeholder management skills
- Ability to influence decisions in a cross-functional environment
