Lead Supply Chain master data design and validation, including key planning, procurement, inventory, and organizational parameters that drive process execution; scope encompasses approximately 40,000+ material master records, 250,000+ batch records, 5,000+ supplier business partners, Purchasing Info Records with manufacturer part number (MPN) logic, source lists, scheduling agreement parameters, MRP/planning parameters, and warehouse organizational structures. Develop and validate end-to-end Supply Chain test scenarios and support system integration testing (SIT), user acceptance testing (UAT), regression testing, and business validation across all 29 scope items; ensure GAP/KDD-related WRICEF enhancements and integrations are covered by adequate test scenarios and defect resolution is tracked to closure.