Job Description

Position:　Site Master Planner　 P3

As a Site Master Planner at our Manufacturing Division, you will be mainly responsible for;

1. Team Leading (Development of planning process and KPI management)

2. Production Planning and Scheduling

3. Planning Master Data Setting & Control

Team structure:      Reporting to Site SCM Manager (7 members)

Location:                   Menuma Plant (Kumagaya, Saitama)

Job Description:

Supply Chain Management, KPI Metrics and Continuous Improvement:

• Planning Master Data Setting & Control

Set & regularly maintain planning maser data in SAP system to control production planning, capacity planning, procurement planning & inventory projection in SAP. Especially the data fields related to production environment (MTS, MTO…etc) & production method (Rhythm Wheel, Constant Make) should be defined in light of product lifecycle stage progress, independent demand trend & product shelf life as one of key product characteristics. Monitor & study the latest actual demonstrated data on each operational function performance trend from BI system tools to ensure the lead-time & cycle-time data renewal in system planning transaction data in SAP. And also understand product characteristics & E2E supply chain cumulative lead-time to update product shelf life & required remaining shelf life per SKU level.

• Profit Plan

Develop & manage SKU level profit plan for 24 months in next year & the year after as a yearly planning process following global planning calendar.

• Master Scheduling

Maintain Master Scheduling per SKU level in SAP & Rapid Response in 36 rolling months horizon excluding inside of planning time fence following global planning calendar as a weekly planning process. Review monthly updated MPS (Master Production Schedule) & check consistency with profit plan. Ensure feasibility of dependent demand to MRP (Material Requirements Planning) as MPS is key input to drive MRP.

• Mid to Long Term Ranged Capacity Planning

Analyze capacity resources; production machines, storage, quality testing & releasing for potential constraints in mid to long term to ensure captured capacity shortages to be resolved in master scheduling process in a closed loop process. 

• Inventory Control

Manage & identify IQV (Inventory Questionable Value) in stock on hands as a monthly exercise following IQV calendar & ensure stock on potential risk into block status to allow SAP to exclude block status stock in generating MPS. Manage inventory projection within IRL (Inventory Replenishment Level) range to avoid potential discard risk due to expired stock & stock shortage. And also release request form with GOA approval in case of exceptional system inventory adjustment as the inventory controller.

• Act as coordinator to communicate across boundaries

 Be the point of contact for Site Operations and proactively manages the communication and information flow beyond teams, functions, divisions, geographies, external stakeholders, and customers.

Ensure to escalation & cascade events using established company escalation processes. Lead to make consensus with stake holders in E2E SCM process optimization.

• Monitor and assist in improving planning accuracy KPI metrics

Review SCM planning related monthly KPIs (Make / Source / Stock / Leadtime / Capacity / Master Data) to evaluate planning accuracy from cost & resource utilization efficiency point of view. Mitigate accuracy problem to develop improvement plan & action control by use of MPS (Our Company’s Production System) tools.

• Team leader & Coach

Understand company vision, mission & core value breaking down to Japan manufacturing division hoshin, department & section objectives, GOM (Global operating model) strategy. Reflect the understating onto one’s daily planning operation bench-mark performance & mind-set to other team members. Provide technical & operational training & coaching to the other team members as Planning SME to drive team performance improvement in day to day planning operations. Support planning lead & act as a substitute when his / her absence.

Daily Operations Responsibilities:

• Understand and manage GOM & SOPs (Standard Operation Processes) to ensure compliance to internal and external regulations.
• Understand and manage company escalation system. Immediately escalate unsolved problems out of one’s control.
• Have a strong mind-set to avoid discard risks due to excess supply or stockout risks due to supply shortage in supply matters.
• Have accountability for multiple planning results & stock status.
• Ensure level-loading in master scheduling process to make full use of operation resource per SCM node & realize efficient, sustainable & stable product supply to customers.
• Have accountability for planning accuracy KPI & drive accuracy improvement activities.
• Provide continuous training & coaching to the other team members for planning techniques & MPS problem solving approaches.

Business & Leadership Responsibilities:

• Displaying high integrity and honesty
• Capacity to think and act strategically
• Results driven, resilience
• Business acumen and understanding of all financial aspects linked to role
• Capacity to drive change
• Problem Solving and Decision-Making skills
• Planning and Organization skills
• Project Management and Risk Management skills
• Written and spoken communication skills
• Ability to motivate group whilst keeping focused on objectives 
• Ability to act as coach and mentor
• Good Team Player and Team Builder
• Capacity to apply Win-Win Conflict Resolution
• Continuous Learning

Required Qualifications:
■SCM general technical knowledge （APICS CPIM Part1 level)

　*Minimum 2 years experiences in SCM planning
■ERP system hands on knowledge & skills
■Strong communication & collaboration skills to drive results with cross-functional teams
■Project management/Kaizen experience
■SCM business level English (Equivalent to TOEIC more than 800 level)

　*Global meetings, writing and Reading are required.
■Fluent Japanese proficiency level

Preferred Qualifications:
■SAP ECC (MM / PP), APO, BW experience
■Kinaxis Rapid Response experience

Current Employees apply HERE

Current Contingent Workers apply HERE

Search Firm Representatives Please Read Carefully 
Merck & Co., Inc., Rahway, NJ, USA, also known as Merck Sharp & Dohme LLC, Rahway, NJ, USA, does not accept unsolicited assistance from search firms for employment opportunities. All CVs / resumes submitted by search firms to any employee at our company without a valid written search agreement in place for this position will be deemed the sole property of our company.  No fee will be paid in the event a candidate is hired by our company as a result of an agency referral where no pre-existing agreement is in place. Where agency agreements are in place, introductions are position specific. Please, no phone calls or emails. 

Employee Status:

Regular

Relocation:

VISA Sponsorship:

Travel Requirements:

Flexible Work Arrangements:

Hybrid

Shift:

Valid Driving License:

Hazardous Material(s):

Job Posting End Date:

06/30/2025

*A job posting is effective until 11:59:59PM on the day BEFORE the listed job posting end date. Please ensure you apply to a job posting no later than the day BEFORE the job posting end date.