Senior Business Intelligence Analyst

We're seeking an experienced Senior Business Intelligence Analyst to lead a key reporting and data improvement programme within a large, London-based public sector organisation. This role will focus on transforming a complex, spreadsheet-driven reporting environment into a trusted, scalable BI solution using Power BI, SQL, Excel, and Power Apps. Client Details Our client is a well-respected public sector organisation responsible for delivering vital services across London. With a strong focus on innovation, data-driven decision making, and continuous improvement, they are investing in modernising reporting capabilities within a business-critical operational function. Description • Analyse and map a complex landscape of Excel-based data sources and reporting processes. • Work with business stakeholders to understand data capture, reporting requirements, and KPI definitions. • Design and develop Power BI dashboards and reports to support operational and strategic decision-making. • Deliver a suite of key performance reporting, including executive-level KPI dashboards. • Write SQL queries to cleanse, transform, and prepare data for reporting. • Improve data quality, governance, and reporting consistency. • Develop Power Apps solutions to support data quality control and validation processes. • Collaborate with stakeholders across multiple levels of the organisation, translating business requirements into actionable reporting solutions. • Drive best practices around data integrity and trusted reporting. Profile You will be a highly skilled BI professional who combines strong technical expertise with excellent stakeholder management skills. Essential Skills & Experience • Advanced Power BI development experience. • Strong SQL skills for data extraction, transformation, and analysis. • Advanced Excel expertise. • Experience delivering end-to-end BI or analytics projects. • Ability to work independently and take ownership of outcomes. • Experience working with complex, fragmented, or poorly governed datasets. • Strong communication and stakeholder engagement skills. • Excellent attention to detail and a passion for data quality. Desirable Experience • Power Apps development experience. • Experience establishing KPI frameworks and reporting standards. • Exposure to public sector or highly regulated environments. • Experience implementing data governance improvements. Job Offer • Initial 3-month contract with strong likelihood of extension (expected 3-6 months). • Day rates - £350 per day (Inside IR35) • Hybrid working arrangement with 2 days per week on-site in Central London. • Opportunity to lead a high-profile data transformation initiative. • Supportive leadership team and collaborative working environment. • Chance to make a meaningful impact through improved reporting, governance, and business insight.