Senior Data Warehouse & BI Reporting Lead

Telekom Hbs; Brussel Hoofdstad; Hybride; EUR 90 000 - 120 000; Plein temps

Résumé du poste

COSMOTE GLOBAL SOLUTIONS NV is seeking a Data Warehouse and Reporting Developer to design, develop, and maintain data warehouse solutions and generate insightful reports for business decision-making. You will collaborate with analysts and stakeholders to gather requirements, ensure data quality, and optimize ETL processes.

The role emphasizes hands-on SQL, BI tools (Power BI, Tableau), and strong communication in English to support multiple business units.

Qualifications

• Bachelor's degree in CS/IT or related field.
• 13+ years of DW/ETL/reporting experience.
• Strong data warehouse knowledge and best practices.
• Proficient in SQL and DB tech (PostgreSQL, MS SQL).
• Experience with BI/reporting tools (Power BI, Tableau).
• Excellent communication and data-quality focus.

Responsabilités

• Design, develop, and maintain scalable data warehouse solutions.
• Develop and optimize ETL processes for data integration and transformation.
• Create reports and dashboards for business units using BI tools.
• Collaborate with analysts/stakeholders to gather data requirements.
• Ensure data quality, consistency, and accuracy across outputs.
• Monitor performance and troubleshoot DW and reporting issues.
• Document DW designs, ETL processes, and reporting procedures.
• Stay updated on data warehousing and BI trends.

Connaissances

DW/ETL experience

SQL & DB technologies

BI & reporting tools

Data warehouse concepts

Analytical thinking

Stakeholder communication

Data quality focus

Problem solving

English proficiency

Formation

Bachelor’s degree in Computer Science / IT or related field

Outils

Power BI

Tableau

PostgreSQL

Microsoft SQL Server

ETL tools

Description du poste

COSMOTE GLOBAL SOLUTIONS NV is seeking a Data Warehouse and Reporting Developer to design, develop, and maintain data warehouse solutions and generate insightful reports for business decision-making. You will collaborate with analysts and stakeholders to gather requirements, ensure data quality, and optimize ETL processes.

The role emphasizes hands-on SQL, BI tools (Power BI, Tableau), and strong communication in English to support multiple business units.