Data analyst- power bi

B2B Freelance Opportunity

Onsite, Brussels

Duration: 6 months

Starts : ASAP

NOTE: French OR Dutch mandatory

EU Citizens and Belgium Work Permit Candidates are Eligible

Service description

As our Power BI Expert you will be the go-to person to design, automate, optimise and maintain the Power BI reporting landscape that supports these initiatives — making sure stakeholders, from executives to operational teams, get the right insights at the right time, in a way they can trust and act upon.

KEY RESPONSIBILITIES

1.KPI reporting & automation

• Build and automate end-to-end KPI reporting for Group Controlling stakeholder
• Translate business questions into clear, decision-ready dashboards aligned with our performance framework

2.Maintenance & continuous improvement of existing dashboards

• Support the maintenance of the existing Group Controlling Power BI portfolio
• Monitor adoption and usage (e.g. via Power BI Usage Metrics) and proactively propose improvements based on real user behaviour.

3.Semantic models, visualisation & data quality

• Rationalise our Power BI semantic models — consolidate overlapping datasets, clarify ownership, document relationships and improve refresh performance.
• Optimise visualisations: simplify, standardise and align them with our design a

Requirements:

• Solid hands-on experience with Power BI Desktop (semantic models, DAX, Power Query, workspaces, apps, dataset refreshes, gateways)
• Proven experience designing, automating and maintaining KPI dashboards in a corporate or group-wide context, ideally in Controlling, Finance or IT governance
• Strong skills in data modelling, semantic model optimisation and data cleaning (performance tuning, naming conventions, documentation).
• Ability to work autonomously: identify needs, propose solutions for both data structure and visualisation, and drive them to delivery.
• Excellent communication skills, comfortable talking to both business stakeholders (controllers, managers, executives) and IT/Data engineers;
• Fluent in English; a good working knowledge of French and/or Dutch is a strong asset, German is a plus given our 50Hertz collaboration.