Data Solution Architect

Whitehall Resources are currently looking for a Data Solution Architect.

This role will be Inside of IR35, so you will be required to use an FCSA Accredited Umbrella Company.

Key Requirements:

• The Data Solution Architect will lead technical discovery activities to assess the feasibility of acquiring, integrating, governing and presenting third-party and government data within future One Income Tax Service (OneITS) products.
• The role will provide architectural leadership throughout discovery, helping the Client understand the opportunities, constraints, risks and dependencies associated with pre-population of customer data, whilst ensuring alignment with OneITS strategic objectives, the MTD roadmap, Government Digital Blueprint principles, and enterprise architecture standards.

Key Responsibilities:

• Lead the technical discovery of agreed third-party and government data sources, assessing their suitability, availability, quality and integration feasibility.
• Define and document current-state and potential future-state architectural patterns for data acquisition, storage, management and consumption.
• Identify technical risks, dependencies, assumptions and constraints associated with pre-population capabilities.
• Collaborate with policy, security, legal and operational stakeholders to ensure discovery findings consider all relevant factors.
• Support the development of evidence-based recommendations to inform future Alpha investment decisions.
• Assess integration approaches including APIs, data sharing arrangements, event-driven architectures and batch processing models.
• Define target-state architecture principles aligned to OneITS strategic direction and enterprise reuse opportunities.
• Evaluate options for identity resolution, data matching, reconciliation and confidence scoring across multiple data sources.
• Identify opportunities to establish reusable capabilities that can support multiple income types and future services.
• Ensure alignment with existing platforms, strategic capabilities and future architecture roadmaps.
• Work with security and governance teams to identify requirements relating to data protection, consent, privacy and regulatory compliance.
• Support DPIA, security assessment and information governance activities where required.
• Assess architectural implications of customer consent models and management of third-party data.
• Provide guidance on data ownership, stewardship and governance responsibilities across participating organisations.
• Work closely with Service Designers and User Researchers to ensure architectural decisions are informed by user needs rather than technology constraints.
• Support exploration of customer interaction models relating to viewing, validating, correcting and authorising pre-populated information.
• Contribute to service design activities by identifying architectural opportunities, constraints and dependencies.
• Ensure proposed architectural approaches support joined-up customer journeys and future OneITS service ambitions.
• Produce high-level architecture artefacts, integration patterns and technical assessments.
• Support generation of the discovery roadmap, options appraisal and recommendations.
• Provide architectural input into future Alpha scope definition and delivery planning.
• Present findings and recommendations to senior stakeholders.
• Collaborate with Enterprise Architects, Business Architects, Product Managers and Service Designers to maintain strategic alignment across OneITS initiatives.
• Engage with external organisations, government departments and third-party providers where appropriate.
• Support wider OneITS architectural activities, including capability mapping, dependency analysis and future-state planning.
• Promote reuse before buy before build principles across all discovery activities.