Power BI Consultant Location: Winchester and Kidlington, Oxfordshire Working pattern: Hybrid, typically 1-2 days per week on site Day rate: 550 per day (Umbrella) Contract: Flexible working arrangements, full-time or part-time considered (minimum two days per week on average) The OpportunityWe are recruiting for an experienced Power BI Consultant to join a major data transformation programme, helping an established organisation modernise its reporting capabilities and maximise the value of its Azure-based data platform.This is an exciting opportunity to play a key role in a large-scale migration from SAP BusinessObjects to Power BI, supporting the development of scalable reporting solutions and empowering teams to work more effectively with data.The successful consultant will combine strong technical expertise in Power BI, semantic modelling, DAX and SQL with the ability to mentor colleagues, deliver training and provide hands-on consultancy support. Key ResponsibilitiesDesign, build and optimise Power BI semantic models and reusable datasets.Support analysts and developers in adopting Power BI best practices.Work closely with data engineering teams to improve SQL Data Warehouse design and reporting performance.Develop and maintain Power BI reporting solutions using DAX, Power Query (M) and T-SQL.Provide technical guidance on data modelling, dataset architecture, query folding and performance optimisation.Deliver practical training sessions and workshops to small groups of ..... full job details .....