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# Senior Data Engineer

- **Company:** Ernst & Young
- **Location:** Diegem (Machelen), Belgium (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Adaptable Database Systems, Application Programming Interfaces (APIs), Artificial Intelligence, Big Data, Cloud Computing, Databases, Data Architecture, Information Engineering, Data Infrastructure, Data Integration, Extract Transform Load (ETL), Dataspaces, Data Systems, Data Visualization, Data Warehousing, Relational Databases, JSON, Python (Programming Language), Power BI, Cloud Services, Microsoft Copilot, Standard Sql, SQL Databases, Extensible Markup Language (XML), Enterprise Software Applications, Data Management, Data Pipelines
- **Published:** October 22, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=a24a98c8eda0dd29

## About the Role

* You hold a Master's degree or PhD in STEM, Econometrics, or a related field.
 * You have 3-5 of experience in data engineering, business intelligence or data platform development.
 * You have strong experience with data integration, ETL/ELT processes, and transforming complex datasets into reliable and scalable data models.
 * You are proficient in SQL and have a solid understanding of relational databases, data warehousing concepts, and data architecture principles.
 * You are familiar with Power BI and understand how to design, maintain, and optimize semantic models and reporting environments.
 * You have experience connecting and integrating data from multiple sources, such as SQL databases, APIs, XML, JSON, cloud platforms, and enterprise applications.
 * You are comfortable working with automation and modern digital tools, including Microsoft Power Platform and AI-enabled technologies such as Microsoft Copilot.
 * Experience with Python, cloud data platforms, or modern data engineering technologies is considered a strong asset.
 * You understand the importance of documentation and are committed to creating high-quality, maintainable solutions that can be easily supported by others.
 * You are fluent in English and Dutch or French, with the ability to collaborate effectively in a multilingual environment.
 * You enjoy working with international teams and stakeholders and can translate complex requirements into clear and impactful data solutions.

## Description

As a Senior Data Engineer, you will play a key role in designing, building and optimizing EY's data ecosystem. You will help transform complex data into reliable, scalable and secure solutions that enable data-driven decision-making across the organization. Working closely with business stakeholders, data analysts and technology teams, you will drive the development of modern data platforms, improve data accessibility and contribute to innovative analytics and AI initiatives., * Design, develop and maintain scalable data pipelines and integration solutions.

 * Build and optimize ETL/ELT processes to collect, transform and deliver high-quality data.
 * Develop and maintain data models, data warehouses and reporting datasets to support business analytics and operational insights.
 * Integrate data from multiple internal and external sources while ensuring consistency, accuracy and reliability.
 * Support the development of business intelligence and data visualization solutions, including Power BI and other reporting platforms.
 * Implement data quality, governance and security standards across the data landscape.
 * Monitor and optimize the performance of data platforms, databases and processing workflows.
 * Contribute to automation initiatives that increase efficiency and reduce manual effort throughout the organization.
 * Coach and support colleagues by sharing knowledge and promoting data best practices across teams.