Location: Walloon Brabant, 3 days on-site

A growing BI team is seeking an experienced and motivated Data Analyst / Power BI Expert. In this role, you will transform large and complex datasets into actionable insights and develop advanced Power BI solutions to support data-driven decisions across the organization. This role is based in Walloon Brabant, with opportunities to actively contribute to a dynamic, fast-evolving company environment.

Key Responsibilities

Advanced Power BI Development

• Design, develop, and maintain complex Power BI reports and dashboards, leveraging advanced DAX functions, complex measures, and efficient data modeling techniques
• Optimize report performance for large datasets, ensuring efficient data loading, processing, and visualization
• Implement row-level security and other security measures to protect data integrity and confidentiality
• Develop and maintain custom visuals and extensions to enhance reporting capabilities

Data Analysis and Visualization

• Analyze large and complex datasets from various sources to identify trends, patterns, and insights
• Create compelling and informative data visualizations that effectively communicate key findings to stakeholders
• Establish data quality checks and validation procedures to ensure accuracy and reliability

Collaboration and Mentorship

• Work closely with data engineers for seamless data integration and preparation for analysis
• Mentor junior data analysts on Power BI best practices and advanced techniques
• Participate actively in knowledge sharing to contribute to the team’s overall expertise

Profile

Education and Experience

• Bachelor’s or Master’s degree in Computer Science, Statistics, or a related field
• Over 5 years of experience as a Data Analyst, with a strong focus on Power BI development
• Proven experience with large, complex datasets in data warehousing and big data environments
• Strong understanding of data modeling, including dimensional modeling and star schema design

Technical Skills

• Expert-level Power BI Desktop and Power BI Service skills, including advanced DAX, Power Query (M), and data modeling capabilities
• Strong SQL skills with experience in querying and manipulating data from multiple database systems
• Knowledge of performance optimization techniques for Power BI reports
• Understanding of data security best practices in Power BI

Plus Points

• Experience with other visualization tools (e.g., Tableau, Qlik Sense)
• Knowledge of Python or R scripting
• Familiarity with cloud-based platforms (Azure, AWS)
• Microsoft Power BI certifications

Experience: 3 to 5 years

Language: French is essential; English at least B2 level