OverviewA global insurance firm is hiring a Senior Business Analyst to join the Global Speciality Insurance (GSI) Delegated Authority Harmonisation Programme. You''ll support the Delegated Authority Data Workstream, helping define data models, quality standards, partner onboarding processes, and the operating model for DA data across Business Units and external partners.Details Location - LondonStart - ASAPRate - up to £670 / day Inside IR35Duration - Initial 12 months Key Responsibilities Lead data requirements gathering across Contract, Premium/Risk, and Claims domains.Translate business needs into clear data definitions, mappings, and field-level specifications.Define data quality rules, validation standards, and intake playbooks.Assess MGA/TPA data capabilities and support partner onboarding approaches.Contribute to operating model design, governance forums, and documentation of workflows and roles. Essential Experience Vast experience as a Senior BA in data-centric or enterprise transformation programmes.Strong experience with complex, high-volume insurance data (policy, premium, risk, claims).Proven capability in data mapping, source-to-target analysis, and data definition.Experience defining data quality rules and working with external data partners (MGA/TPA).Excellent stakeholder management and the ability to simplify complex data concepts. Desirable Experience Delegated Authority / bordereaux experience.MGA / TPA system and data integration exposure.Knowledge of