Senior Specialist , Demand Planning

Overview

This role partners closely with Regional Field Service Engineers, Procurement, Commodity Management, and Expediting teams to ensure material availability supporting both high‑volume manufacturing and new product introduction demand while optimizing inventory performance. The position is responsible for driving on‑time delivery, preventing material shortages, and improving inventory turns through strong cross‑functional coordination and disciplined planning execution. Success in this role requires a high degree of ownership, responsiveness, and attention to detail, with the ability to operate independently in a fast‑paced, deadline‑driven environment.

• Manage materials planning to ensure availability, minimize downtime, and prevent stock‑outs (zero‑bin situations).
• Monitor and optimize inventory levels, including customer consignment inventory, to ensure accuracy and efficiency.
• Drive improvements in inventory turns.

• Partner daily with Field Service, Procurement, and Expediting teams to align on demand and supply priorities.
• Collaborate with Commodity Managers and Procurement to expedite materials and ensure on‑time delivery.

• Contribute to supply chain planning initiatives, including demand forecasting, inventory optimization, risk management & mitigation, and on‑time delivery performance.
• Support continuous improvement and system integration efforts.

• Maintain and improve planning master data to ensure accuracy and effectiveness of global spares planning parameters.
• Ensure high data integrity standards in all planning activities.

• Deliver regular performance analysis (inventory, delivery, shortages).
• Provide ad‑hoc analysis to support operational and strategic decisions.

• Lead cross‑functional meetings to drive accountability, alignment, and results.
• Demonstrate strong ownership and follow‑through across stakeholders.

• Bachelor’s degree in Supply Chain, Industrial Engineering, Business Administration, or a related field.
• Equivalent experience (6+ years) will be considered.
• Relevant coursework or certifications in supply chain or operations management is a plus.
• 6+ years of experience in materials planning, supply chain, or inventory control.
• Experience in spares planning strongly preferred.
• Solid understanding of planning and scheduling systems, master data management, purchase order expediting, and inventory control and optimization principles.
• Experience in semiconductor, electronics, or other high‑volume manufacturing environments preferred.

• Fluent in English (required).
• Korean and/or Mandarin Chinese (strong plus).
• SAP expertise (required).
• Advanced Excel skills (required).
• Strong analytical capability with experience interpreting large datasets and translating insights into actions.
• Excellent communication skills with the ability to influence cross‑functional stakeholders.

• Proactively identifies and mitigates supply risks.
• Maintains high data accuracy and planning discipline.
• Drives measurable improvements in inventory turns and on‑time delivery.
• Operates with urgency, ownership, and strong stakeholder alignment.

ASM is an equal opportunity employer and considers qualified applicants for employment without regard to race, color, religion, age, nationality, social or ethnic origin, sexual orientation, gender, gender identity or expression, marital status, pregnancy, political affiliation, disability, genetic information, veteran status, or any other characteristic protected by law.