SAP S/4 RISE Architect/Selective Data Transmission

SAP S/4 RISE Architect/Selective Data Transmission. Superb London based client have a long-term, Onsite role, Inside IR35 for an experienced SAP S/4 RISE Architect/Selective Data Transmission. We are seeking an experienced SAP S/4HANA Transformation Architect to lead a major enterprise transformation from SAP ECC to SAP S/4HANA Private Cloud under RISE with SAP , using a Selective Data Transition (SDT/Bluefield) approach. This is a senior architecture leadership role responsible for defining the transformation strategy, target architecture, Clean Core approach, migration strategy, governance model and subsequent global rollout across multiple legal entities and geographies. Key Responsibilities Lead the end-to-end architecture for an SAP ECC to S/4HANA transformation using Selective Data Transition. Define the transformation roadmap, including global template, transition waves, rollout sequencing and deployment strategy . Establish the target architecture aligned to SAP Best Practices and Clean Core principles . Provide architecture governance across functional, technical, integration, data and reporting workstreams. Define the business-led data migration strategy , covering historical data, open transactions, master data, legal retention and reporting continuity. Lead SDT design workshops and assess migration tooling and technical approaches. Govern trial migrations, reconciliation, cutover architecture and migration readiness. Own the architecture and delivery strategy within the RISE with SAP landscape. Define SAP BTP adoption and side-by-side extension strategies. Establish cloud operating model, landscape/environment strategy, security and transport governance. Drive Fit-to-Standard adoption and establish Clean Core governance and architecture guardrails. Review existing custom developments and define remediation strategies, leveraging BTP extensions, APIs, event-driven integration, key-user extensibility and Fi