Senior BI Data Engineer
Summary
Senior BI data engineer embedded at a client site in Brussels via consultancy Keystone Solutions: designs and maintains ETL/ELT pipelines, Kimball data warehouses and the BI platform on SQL Server, Azure and Microsoft Fabric, supporting other BI developers. 7-month full-time contract, hybrid (2 office days/week).
Mission Overview:
As a Senior BI Data Engineer, you will be part of the Business Intelligence team and will be responsible for designing, developing, and maintaining the data platform at a client site representing Keystone Solutions. You will ensure reliable, high-performance, and scalable data solutions to support reporting, analysis, and data-driven decision-making.
Responsibilities:
- Data engineering and integration
- Design, develop, and maintain ETL and ELT processes.
- Integrate data from various internal and external sources.
- Develop and optimize data warehouses and data marts.
- Implement dimensional data models following proven methodologies such as Kimball.
- Implement data solutions in both on-premises and cloud environments.
- Support the further development and modernization of the BI platform.
- Monitor the performance, stability, and scalability of data solutions.
- Prepare and maintain technical documentation.
- Support for the development team
- Assist ETL and BI developers with complex technical analyses and implementations.
- Advise on the most suitable technical solution within existing architecture and development standards.
- Support with performance issues, data integration challenges, and complex incidents.
- Contribute to the development and application of technical standards and best practices.
- Share expertise in SQL Server, data warehousing, cloud platforms, and dimensional modeling.
- Act as a technical point of contact for complex data-related issues.
Required Technical Expertise:
See skills. Advantages include knowledge of:
- Azure Data Factory
- Power BI
- Spark
- Python
- Git
- Azure DevOps
- Data Vault
Profile:
- Bachelor's or master's degree in Computer Science or equivalent experience.
- At least 5+ years of relevant experience in Business Intelligence, Data Engineering, or Data Warehousing.
- Strong analytical and problem-solving skills.
- Excellent technical expertise combined with a pragmatic approach.
- Ability to analyze and solve complex technical issues.
- Fluent collaboration within multidisciplinary teams.
- Willingness to share expertise and support colleagues.
Positioning within the BI team:
The Senior BI Data Engineer is a senior technical expert profile without managerial or coordinating responsibilities. The BI Lead is responsible for the strategic direction of the BI landscape, architectural choices, prioritization, and alignment with the business. The Senior BI Data Engineer supports the execution of this vision through their technical expertise.
The focus of this role is not on managing staff but on designing and implementing data solutions and supporting existing ETL and BI developers with complex technical issues. This role contributes to the continuity, quality, and maintainability of the BI platform and serves as an important technical support for the development team.
Work Regime:
2 days in the office and a maximum of 3 days remote work per week.
Language Requirements:
One of the two national languages is native. The other national language must be read and understood.
If you are ready to tackle technical and strategic challenges in a dynamic consultancy environment, apply today at Keystone Solutions Career Portal.
Duration: 01/12/2026 - 30/06/2027 7 months • (full time)
Skills required:
- Data warehousing - Level: Confirmed - Most recent: Any time
- Data enginering - Level: Confirmed - Most recent: Any time
- Data Lake-oplossingen - Level: Confirmed - Most recent: Any time
- Data-integratie en datakwaliteit - Level: Confirmed - Most recent: Any time
- Dimensioneel modelleren (Kimball) - Level: Confirmed - Most recent: Any time
- ETL- en ELT-processen - Level: Confirmed - Most recent: Any time
- Hybride omgevingen (on-premises en cloud) - Level: Confirmed - Most recent: Any time
- Microsoft Azure Data Services - Level: Confirmed - Most recent: Any time
- Microsoft Fabric - Level: Confirmed - Most recent: Any time
- microsoft sql server - Level: Confirmed - Most recent: Any time
- Moderne data-architecturen - Level: Confirmed - Most recent: Any time
- SQL Server Integration Services SSIS (ETL) - Level: Confirmed - Most recent: Any time
- Ster- en sneeuwvlokmodellen - Level: Confirmed - Most recent: Any time
- T-SQL - Level: Confirmed - Most recent: Any time
Language requirements:
Dutch
Level Native
French
Level Native