Senior Power BI Specialist

At Winning Consulting
, we are looking for a Senior Power BI Specialist to join our teams at a major tech company in Madrid. You will be responsible for designing, maintaining and evolving Power BI dashboards and reports, ensuring that stakeholders have reliable, high‑quality insights to support decision‑making. Work model:
Hybrid (3 days on‑site / 2 days remote)

• Maintain and enhance existing Power BI dashboards, ensuring data is updated daily and issues are resolved promptly.
• Design and develop new dashboards, reports and KPIs based on evolving business needs.
• Perform data analysis and translate business questions into clear, visual insights and stories.
• Review current dashboards to identify critical KPIs and assess advanced analytics requirements.
• Define and implement a roadmap for maintaining and industrializing existing Power BI assets.
• Collaborate with business and technical teams to understand requirements and validate deliverables.
• Prepare regular reports and presentations for management and key stakeholders.
• Work with data sources and tools such as Power BI, SQL and Snowflake
  , applying best practices in data modeling and performance optimization.

• Solid experience as a Power BI Developer / Power BI Specialist in data‑driven environments.
• Strong skills in data modelling and DAX for complex measures and calculations.
• Experience in data integration and transformation
  , including working with multiple data sources.
• Advanced knowledge of Power Query to extract, transform and load data into Power BI.
• Good command of SQL
  ; experience with cloud data warehouses (e.g. Snowflake) is highly valued.
• Strong analytical mindset, attention to detail and problem‑solving skills.
• Ability to communicate technical concepts in a clear, business‑oriented way.
• Fluent / proficient English and Spanish is mandatory.

Winning Consulting supports clients with consulting, training, staffing and research, applying scientific thinking and proven methods to deliver measurable value in their digital and organisational transformations. Our teams work closely with leading organisations across Europe to drive impactful, sustainable change.