Operational Buyer

Your role

You will re responsible on Integrated Supply Planning & MPS Leadership Develop and maintain mid‑term supply plans (0–24 weeks) aligned with S&OP/IBP decisions and factory constraints. Own the Master Production Schedule (MPS), applying finite‑capacity logic, production leveling (heijunka), and realistic lead-time models. Ensure planning stability, adherence, and proactive scenario‑based adjustments under demand variability.

Govern planning master data accuracy (MOQ, safety stock, lot size, lead-time).. Tactical & Operational Production Control Lead short-term scheduling, work order release, sequencing, and plan execution to support stable manufacturing performance at both Yachiyo and Ina. Manage material availability, shortages, exception messages, and daily cross-functional escalation routines.

Ensure timely ECN implementation (cut‑in/cut‑out) with minimal disruption. Cross ‑ Functional Coordination & Decision Support Act as the operational hub between Manufacturing, Procurement, Logistics, Engineering, Quality, and Global Supply Chain teams. Provide structured, data‑driven trade‑offs balancing capacity, materials, cost, and service.

Lead operational participation in S&OP/IBP, customer escalations, and inter‑site alignment. Inventory Strategy & Risk Management Implement inventory strategies (safety stock, DOH targets, E&O prevention) aligned with Planning & Operations Department guidelines. Conduct scenario planning for demand spikes, supply shortages, capacity disruptions, and emergency recovery.

Support Business Continuity Planning (BCP) initiatives and maintain readiness for supply or factory disruptions. Digital Enablement & KPI Performance Ensure high-quality planning data across ERP/MRP (SAP), MES, and planning dashboards. Drive digital capability improvements and adoption of standard planning processes.

Track and improve KPIs

OTD / plan adherence Inventory turns & DOH Forecast consumption and stability Master data health Identify root causes of deviations and implement sustainable improvements.. People Leadership & Capability Development Lead and develop the planning and production control team, ensuring clear roles, escalation logic, and standard work. Build Planning Excellence capabilities, including digital literacy, scenario modeling, and cross-functional communication.

Foster a culture of ownership, transparency, compliance, and continuous improvement aligned with Internal Project To succeed, you will need Bachelor’s degree in Supply Chain, Engineering, Business, or related field. 8+ years of experience in supply planning, production planning, or production control in discrete manufacturing (machining/assembly preferred). Strong ERP/MRP literacy (SAP preferred) and analytical capability; Excel and dashboarding tools proficiency.

Demonstrated cross-functional coordination and problem‑solving skills. Strong capability in scenario planning, risk assessment, and decision support. Business‑level English and fluent Japanese preferred.

In return, we offer Culture of trust and accountability Lifelong learning and career growth Innovation powered by people Comprehensive compensation and benefits Health and well-being Job location Hybrid This role offers a hybrid working arrangement, allowing you to split your time between working remotely and being on-site at our Yachiyo Factory in Chiba, Japan. Contact information Talent Acquisition Team: