Data-warehouse & reporting developer

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Posting Start Date: 19 Dec 2025

Location: Brussels, BE

Company: Serco Plc

Package Description

  • Competitive Salary
  • Great career opportunities
  • Corporate Benefits Package
  • International environment
  • Possible hybrid work

Job Introduction

Serco is the preferred partner for European Institutions and International Organisations, offering ICT services and Contact Centre management across Europe. Our expertise extends from Information System support to consultancy under the government framework, supporting key entities such as the European Commission and Executive Agencies. As a leader in Service Integration and Management, we ensure seamless delivery of services across various platforms, embodying our commitment to excellence in every aspect of our work.

 

We are hiring Data-warehouse & reporting developer for the EU Commission in Brussels, Belgium, and various locations around Europe.

Key Responsibilities

  • Design, develop, and maintain interactive Power BI dashboards and reports that support data-driven

    decision-making, with a strong focus on best practices in data visualization and user experience

     

  • Build and manage scalable data pipelines and queries to extract and transform data from Azure Data

    Lake Storage (ADLS), Azure Synapse Analytics, and Oracle databases into efficient and reusable

    reporting models.

     

  • Collaborate with data engineers and analysts to define data requirements, model business logic, and

    ensure high-quality, validated data is presented in Power BI reports and dashboards.

     

  • Implement and manage access control mechanisms for Power BI reports, including Row-Level Security

    (RLS) and workspace permissions, to ensure proper protection of sensitive but non-classified (SNC)

    data in compliance with data governance policies.

     

  • Optimize and troubleshoot Power BI datasets and reports, including performance tuning, data refresh

    strategies, and monitoring of data integrity and access issues.

     

  • Document end-to-end technical solutions, including data architecture, data flows, and security

    configurations, ensuring transparency, maintainability, and traceability of Business Intelligence assets

Knowledge & Skills

  • Excellent knowledge of Power BI, including DAX, Power Query (M), data modelling, and visualization

    best practices

     

  • Excellent knowledge of integrating Power BI with Azure Synapse Analytics, Azure Data Lake Storage

    (ADLS), and Oracle databases

     

  • Ability to implement and manage security features in Power BI such as Row-Level Security (RLS),

    workspace access, and data governance policies

     

  • Strong understanding of data modelling techniques, including star schema, normalization, and

    semantic layer design

     

  • Ability to troubleshoot and optimize Power BI solutions, including performance tuning, data refresh

    scheduling, and error resolution

     

  • Familiarity with version control best practices

     

  • Strong documentation skills, including technical design specs, data lineage, and security configurations

     

  • Effective communication and collaboration skills, with the ability to engage business stakeholders and

    technical teams

     

  • Capability of integration in an international/multicultural environment, rapid self-starting capability

    and experience in working in team;

     

  • Ability to participate in multilingual meetings;

     

  • Ability to work in multi-cultural environment, on multiple large projects;

     

  • Excellent Team Player

     

  • Ability to understand, speak and write English (C1/C2), French (B2) will be an advantage;

Specific Expertise

  • At least 5 years of excellent knowledge in Azure ecosystem (Azure Data Lake Storage, Azure Synapse, PowerBI integration) (min. competence level 4)
  • At least 5 years of excellent expertise in PowerBI (DAX, Power Query, Row-Level Security) (min. competence level 4)
  • At least 5 years of excellent expertise in advanced SQL (complex querying, performance tuning) (min. competence level 4)
  • At least 5 years of excellent expertise in data modelling and data governance (min. competence level 4)

 

Qualifications:

  • Bachelor’s Degree

Certifications and Standards

Following certificates & standards are mandatory for the performance of tasks:

 

  • Microsoft Certified: Power BI Data Analyst Associate

 

 

Following certifications are a plus:

 

  • Microsoft Certified: Azure Data Engineer Associate
  • Microsoft Certified: Azure Enterprise Data Analyst Associate