Interim Head of Enterprise Applications and Data FTSE 250 Organisation / IT TransformationLondon Hybrid LTD Company engagement at 800 - 1000 p/d January 2026 start, for 6 months initially We are seeking an experienced Interim Head of Enterprise Applications and Data to play a pivotal role in a major IT transformation programme for a FTSE 250 organisation. The business has ambitious growth plans and has completed a high-level IT maturity assessment, strategy and target operating model. The next critical step is to define the detailed end-state, articulate a credible transformation journey, and secure Board approval and investment to execute it.As a core member of the IT Transformation leadership team, you will lead the Enterprise Applications and Data Enablement workstream, shaping how the organisation''s applications, integration capabilities, data platforms, engineering toolchains and operational practices will operate in the future.Key responsibilities include:Establishing clarity and transparency across the current applications and data estate, including integrations, ownership, usage and commercial arrangementsDefining the target state and transformation roadmap covering application development and operations, integration, data platforms, decision intelligence and SDLC standardsDesigning a simplified, integrated and well-governed future estate aligned to a federated IT operating model, balancing central control with divisional ownershipWorking closely with architecture an