Key Responsibilities Define logical and physical data models, including NoSQL data structures, to support business and technical requirements. Establish and maintain data structures, data flows, and end-to-end documentation across systems. Define and document data requirements, inputs, outputs, and lineage using approved data lineage and traceability tools. Lead the creation and maintenance of API documentation and data integration specifications. Ensure data consistency, integrity, and quality across systems, aligning with governance frameworks and regulatory standards. Implement and uphold data governance processes in collaboration with central data architecture and governance teams. Contribute to broader architecture decisions to ensure adherence to organisational standards and technical strategy. Support and oversee data-related testing activities by clarifying data models, flows, and requirements for testing teams. Conduct impact analysis and support life cycle management of data assets, identifying opportunities for reuse and optimisation. Engage with cross-functional stakeholders-including developers, testers, product and technical architects, senior leadership, and governance forums-to communicate design decisions and obtain approvals. Provide guidance and oversight to data analysts and support other architects as required. Ensure adherence to security, privacy, and compliance requirements, including meeting clearance requirements where applica