The Opportunity We are seeking an experienced SAP ERP professional to lead Planning and Execution governance within a major Digital Transformation programme focused on SAP S/4HANA. This programme is transforming how the organisation operates, connects, and delivers value, with the aim of harmonising processes across business units and adopting standard SAP practices. As the Manufacturing Planning and Control SME, you will define and validate future-state S/4HANA capabilities and processes across UK Manufacturing. You will develop strategies to standardise system practices, harmonise workflows across the wider group, introduce efficiencies, and maintain business continuity during and after the S/4HANA deployment. This is a unique opportunity to shape the future of manufacturing operations within a leading organisation. Key Responsibilities Define and validate S/4HANA future-state processes for Planning and Control, securing stakeholder alignment. Deliver and review top-level design materials and detailed process documentation. Represent UK Manufacturing in international and cross-functional workshops. Lead system testing campaigns within your domain of responsibility. Collaborate with the Change Lead to identify process gaps and improvement opportunities ahead of S/4HANA deployment. Support change adoption initiatives, including training, communications, and early implementation of improvements. Contribute to data migration and data cleansing activities. Gain end-to-end und