Senior Test Specialist - FLU003921

Senior Test Specialist

East Flanders, Melle, Belgium
Contract: 25 May 2026 – 24 May 2027
Full-time (100%) | ±220 days
Apply before: 22 April 2026

About the Role

We are looking for a Senior Test Specialist to join the our program, supporting a wide range of strategic and business-critical projects within the energy and utilities domain.

You will play a key role in ensuring quality across complex system integrations, working closely with multiple teams and domains such as metering, billing, asset management, and market processes.

Key Responsibilities

• Design, document, and execute test scenarios and test plans
• Perform hands-on functional testing
• Coordinate end-to-end (E2E) testing across teams and projects
• Manage and track defects, ensuring clear documentation and follow-up
• Support UAT (User Acceptance Testing) with business stakeholders
• Prepare and manage test data across domains
• Facilitate Go/No-Go decision meetings and report test outcomes
• Communicate test progress via tools like Jira and Confluence

Project Context

You will contribute to high-impact initiatives within the program, including:

• Central Market System (CMS) stabilization
• Implementation of MIG6 market processes
• Projects related to capacity tariffs, metering, and gas systems

These projects involve strong integration across market, financial, and asset management systems.

Required Skills & Experience

• Minimum 5 years' experience as:
  • Test Coordinator
  • Test Specialist (hands-on execution)
• Proven experience testing large, complex enterprise applications
• Strong knowledge of test methodologies and techniques
• Experience in:
  • Writing and executing test scenarios
  • Understanding functional & technical analyses
  • Presenting test results to stakeholders
• Experience with data management and market process testing
• Certification: ISTQB / ISEB (Foundation or higher)
• Familiarity with:
  • SQL, XML, BPM
  • Test tools (Jira, Zephyr)
• Fluent Dutch (C2 level – CEFR)

Preferred Qualifications

• Experience in Agile/Scrum environments
• Experience with:
  • Test automation tools (Selenium, Playwright, Tosca, SpecFlow, Reqnroll)
  • Test strategy development
  • Web application testing
• Knowledge of UML / Use Case modeling
• Experience in the Belgian utilities sector
• Basic knowledge of scripting or development

Ways of Working

• Work across multiple domains (e.g., Metering, Billing, Reporting)
• Collaborate with cross-functional teams and stakeholders
• Flexible deployment depending on project needs
• Hybrid work possible (subject to team agreement)

Why Join?

• Work on mission-critical systems in the energy sector
• Be part of large-scale digital transformation programs
• Collaborate with experienced professionals in a complex IT landscape
• Opportunity to influence quality standards across multiple projects

Additional Information

• Hybrid work possible (not guaranteed; based on team agreement)
• Occasional travel to other locations may be required
• Assignment is extendable (up to 12 months or more)
• Selection based on 50% quality / 50% price