Power BI Specialist

Agency : Havas Creative Job Description : We are seeking an experienced Power BI Specialist to support a global reporting initiative, with a primary focus on utilisation and performance reporting across multiple regions and business units. This role will be responsible for designing, building and maintaining high quality Power BI reports and dashboards that provide reliable, scalable and user friendly insights for Finance, Operations and senior stakeholders globally. The role combines strong technical Power BI expertise with the ability to translate complex business requirements into clear, actionable reporting. The Power BI Specialist works closely with Global Finance and Operations leadership and regional Finance/Ops teams and collaborates with IT and data platform teams on data access, refresh and governance topics. Reporting & Dashboard Development Design, build and maintain Power BI reports and dashboards aligned to defined business and reporting requirements Translate business needs into technical specifications, semantic models and effective data visualisations that support decision‑making. Develop reusable report templates, standardised layouts and visual design patterns to ensure consistency across the global reporting suite. Performance & Optimisation Optimise Power BI report performance, including: Query efficiency Data model design Load times and refresh behaviour Overall usability and end‑user experience Apply best practices around DAX, Power Query, and model optimisation. Deployment & Environment Management Manage Power BI deployment pipelines across environments (Dev → Test → Prod). Support controlled releases, versioning and change management for reports and datasets. Support, Enhancements & Troubleshooting Troubleshoot data and report issues, investigate defects and implement fixes in a timely manner. Handle ongoing enhancements and change requests as reporting requirements evolve. Support data validation and consistency checks Stakeholder & User Support Provide user support and training , including explaining metrics, report functionality and self‑service capabilities. Work closely with Finance, Operations, HR and IT stakeholders to ensure reports meet both technical and business expectations. Contribute to documentation covering data definitions, calculations, report logic and usage guidance. Required Experience & Skills Technical Skills Strong hands‑on experience with Microsoft Power BI (Power BI Desktop and Power BI Service). Advanced experience with: DAX Power Query / M Data modelling (star schemas, performance‑optimised models) Experience managing Power BI deployment pipelines and environment separation. Familiarity with data from multiple systems (e.g. timesheets, HR, finance, resource management tools). Reporting & Data Proven experience delivering financial, operational and utilisation reporting at scale. Strong understanding of KPIs, metrics, benchmarks and business logic in a reporting context. High attention to detail around data quality, consistency and accuracy. Stakeholder & Ways of Working Ability to translate ambiguous business requirements into clear technical solutions. Comfortable working with global stakeholders across time zones. Able to balance delivery speed with robustness and maintainability. Desirable (Nice to Have) Experience working in global or multi‑region organisations . Exposure to governance, access control and data privacy considerations (e.g. GDPR). Experience with documentation standards and reporting best practices at enterprise scale. Contract Type : Permanent Here at Havas across the group we pride ourselves on being committed to offering equal opportunities to all potential employees and have zero tolerance for discrimination. We are an equal opportunity employer and welcome applicants irrespective of age, sex, race, ethnicity, disability and other factors that have no bearing on an individual’s ability to perform their job.