Enterprise Solution Architect
4 days ago
Sheffield
Title: Enterprise Solution Architect Day Rate: Up to £848.96 PAYE (includes Holiday pay) Type: Contract: Asap - July/30/2026 (high possibility for extension) Location: Remote Our client is seeking an experienced Enterprise Solution Architect with deep, hands-on expertise in payments migration within UK banking environments. This role focuses on complex, large-scale migration programmes involving legacy platforms, third-party payment processing capabilities, and scheme-driven transformations. Responsibilities • Lead solution architecture across end-to-end payments migration programmes, • Own data architecture bridging legacy (mainframe) and target platforms, including mapping, extraction, and migration controls, • Design and support migration of payment processing capabilities operated by third-party providers, • Define and validate migration strategies ensuring minimal disruption to live payment processing, • Work across the full payment lifecycle including gateway connectivity, clearing, settlement, and reconciliation, • Support Part 7 migration initiatives involving legal transfer of customers between banking entities, • Engage with SMEs, engineering, and delivery teams to align architecture with execution, • Identify risks early and implement controls aligned with regulatory and audit frameworks, • Produce clear documentation of architecture, assumptions, risks, and migration approach Experience / Qualifications • Proven experience delivering end-to-end payments migration programmes within UK banking, • Strong knowledge of UK payment schemes (e.g. BACS, Faster Payments) and international messaging (SWIFT, SEPA), • Experience with Part 7 migrations (customer transfers between banks) – not necessarily legal expert but strong working knowledge, • Experience migrating payment processing capabilities from third-party providers, • Solid legacy bank experience, • Deep understanding of payment lifecycles and message flows across systems, • Strong experience working with mainframe-integrated architectures and constrained legacy environments, • Hands-on experience with IBM MQ / messaging middleware (MQMTMX environments), • Experience with data migration in high-volume banking systems, including mapping, lineage, reconciliation, and ETL, • Strong understanding of risk, controls, and regulatory frameworks (e.g. CASS, audit/assurance)