Senior Data Analyst (Power BI SQL Azure Data Transformation) Hertfordshire I''m working with a scaling tech company who are going through a major data transformation and are looking for a Data Analyst who wants to move beyond standard reporting into something more technical and impactful. This isn''t just building dashboards. The business has recently centralised its data into a new ERP system and is now in a critical phase where the data is there, but not yet fully trusted, structured, or optimised for reporting. That''s where this role comes in.You''ll sit across three key areas:• Power BI and Reporting - Owning and improving the reporting landscape, moving from legacy tools (SSRS) into Power BI, and building more modern, scalable, interactive reporting solutions. There''s a big opportunity to shape how Power BI is used across the business• Stakeholder Engagement - Working directly with senior stakeholders, translating requirements, challenging thinking, and helping drive better data-led decisions• Technical / Data Transformation Work - Rebuilding and validating reporting logic against the new schema, investigating data discrepancies, working with the Development team, managing data flows and how data is structured and helping evolve the data platform in Azure and Fabric. Key requirements:Strong SQL and analytical capability Ability to identify, troubleshoot, and resolve data issues Experience with data integrity, validation, and reconciling discrepancies across data source