SAP Domain Architect Supply Chain Management (SCM)

About the shERPa Project

NMBS is undergoing a company-wide transformation through the shERPa program, implementing SAP S/4HANA as a greenfield solution. This program will standardize processes, improve operational efficiency, and enable digital transformation across all business units — including Supply Chain, Rolling Stock maintenance, Infrastructure and Operations.

Job Purpose

We are seeking a highly experienced Senior SAP Domain Architect Supply Chain Management (SCM) to define and lead the target architecture for NMBS’s end-to-end supply chain processes. This includes Demand en Supply Planning across all planning horizons (log-, mid- and short term), Inventory & Warehouse Management, Procure-to-Pay (P2P), Logistics Execution, and the Maintenance Supply Chain — all in the unique context of NMBS responsible for safety-critical materials, rolling stock availability, Finance, HR and Customer Relations.

You will design the future-state SCM architecture on SAP S/4HANA, ensuring strong integration with Maintenance (PM), Finance, Engineering, and NMBS's depot logistics. You will guide complex transformations and support NMBS in building a resilient, transparent, and regulatory-compliant supply chain.

This vacancy is for a payroll profile

• Key Responsibilities

Define the S/4HANA SCM target architecture tailored to NMBS’s depot operations, rolling stock maintenance flows, critical spare parts management, and logistics constraints.

• Lead full lifecycle S/4HANA SCM implementations as Domain Architect.
• Own solution design for Inventory Management (IM), , Warehouse Management (Stock room management/EWM), Transportation Management (TM) and SAP Business Network for Supply Chain.
• Optional Integrated Business Planning (IBP), Manufacturing and integration with PM

• Architecture integrations with all the relevant systems within SCM and S/4HANA
• Model processes and enterprise capabilities with ADOIT or ARIS for governance and compliance.

• Lead workshops with senior stakeholders (Supply Chain, Rolling Stock, Infrastructure Engineering, Finance).
• Oversee the results of the delivery teams, validate design decisions, and ensure adherence to future-state architecture.
• Guide integration supporting safety-critical stocking policies, long lead-time parts, multi-depot inventory, and material traceability.
• Support project execution using ServiceNow, Jira, Xray, Cloud ALM and Solution Manager.