Job Description

Team Lead Testing

Location: Brussels, Belgium
Start Date: 9 November 2026
Duration: Until 9 November 2028
Work Regime: Full-time
On-site: Minimum 2 days per week, with additional on-site presence when required by project or operational needs

We are looking for an experienced Team Lead Testing to lead and coordinate a testing team responsible for planning and executing SAT, functional, sanity, regression and release-related testing.

The Team Lead will act as a key point of contact between test coordinators, test managers, analysts and testing resources. The role combines test coordination, team leadership, coaching, planning, reporting and quality management

Testing is performed primarily using a Waterfall methodology, with Agile/Scrum practices being progressively introduced.

Key Responsibilities

• Lead, coordinate and coach a small to medium-sized testing team.
• Act as a central point of contact for test coordinators and test management.
• Ensure optimal team performance, knowledge sharing and resource allocation.
• Coordinate test planning and ensure required test resources are available.
• Define and maintain clear test scope, test scenarios and test strategies.
• Monitor testing progress, quality, risks and defects.
• Report test activities, progress, risks and quality status to test management and stakeholders.
• Identify knowledge gaps and performance issues and take appropriate mitigating actions.
• Ensure the right resources are assigned to the right testing activities.
• Facilitate knowledge sharing and enable team members to work across different testing areas.
• Work closely with test coordinators and stakeholders to ensure product quality throughout the lifecycle.
• Support first-line analysis and follow-up of defects during major releases.
• Coordinate testing activities across distributed teams and stakeholders.
• Execute and coordinate functional, sanity and regression testing.
• Support ad hoc testing requests from analysts.
• Communicate effectively with stakeholders in Dutch, French and/or English as required.

Required Experience & Skills

• Minimum 8 years of experience as a functional tester
• Minimum 8 years of experience as a Team Lead in a testing environment, responsible for guiding and steering small to medium-sized teams.
• Minimum 8 years of experience coordinating distributed and complex teams, including members reporting to different stakeholders and/or working across different locations.
• Minimum 6 years of proven experience as a people manager and coach
• Minimum 5 years of experience as a Test Coordinator
• Proven experience writing test strategies and preparing test scenarios
• Strong knowledge of formal test methods and techniques
• Proven experience reporting testing activities and progress to test managers.
• Proven experience with SQL, including writing and executing queries.
• Experience with SOAP/UI, XML and SQL
• Strong experience with Waterfall testing methodology
• Experience within the Belgian energy sector
• Experience with at least one of the following business processes:
  • Structure
  • Measure
  • Cross-domain processes
  • Billing
  • Infeed
  • Settlement
• Ability to read and understand Technical Design Documents, including logical conditions such as if/then/else.
• Proven ISTQB certification, Foundation level or higher.
• English proficiency at CEFR C1 minimum
• Dutch or French proficiency at CEFR C1 minimum

• Experience as a tester in an Agile/Scrum project
• Experience working with Agile/Scrum methodologies in a testing environment
• Experience with DevOps and VBScript
• Experience with test automation

Testing Scope

The testing team will work across multiple service domains, including:

• Message Exchange (MeX)
• Structure, Rectification, Measure and Billing
• Batch Treatment
• Infeed and Settlement
• Infrastructure changes, including upgrades, purging, configuration and connectivity changes

The role focuses on manual functional testing, sanity testing, regression testing, defect logging and follow-up, and release support

Pure technical testing, security testing, failover testing and execution of automated tests are outside the core scope.

Working Environment

• Primarily Waterfall-based testing, with increasing adoption of Agile/Scrum.
• Collaboration with analysts, test management, vendors and distributed teams.
• Minimum 2 days per week on-site in Brussels, with flexibility for additional on-site presence when required.
• Occasional travel to other offices or third-party locations may be required.
• Candidate must provide their own laptop with up-to-date security software.
• Standard onboarding and offboarding procedures apply.

Ideal Candidate

The ideal candidate is a senior testing professional and experienced people leader who combines strong hands-on functional testing expertise with proven experience coordinating complex testing teams. They should be comfortable working across business and technical stakeholders, managing priorities, identifying risks and ensuring high-quality delivery.