Enterprise Solution Architect

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

Experience, qualification, and soft skills, have you got everything required to succeed in this opportunity Find out below.

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 xwzovoh 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)