Senior SAP S/4HANA IS-U Test Manager | Brussels, Belgium | 24-Month Contract

About the Role

We are looking for an experienced Senior SAP S/4HANA IS-U Test Manager to lead testing activities across a large-scale SAP transformation programme within the utilities sector.

The successful candidate will be responsible for defining the overall testing strategy, coordinating end-to-end testing activities, ensuring solution quality across SAP and integrated systems, and acting as the bridge between IT and business stakeholders.

This role requires strong expertise in SAP S/4HANA IS-U, Utilities business processes, JIRA administration, and structured Test Management methodologies.

Key Responsibilities

• Define and implement the overall testing strategy for SAP transformation projects
• Develop integrated test plans and testing approaches
• Manage the complete test lifecycle, including planning, execution, monitoring, and reporting
• Coordinate business and IT teams throughout all testing phases
• Design, maintain, and manage comprehensive test scenarios and test libraries
• Monitor defects, coordinate resolution, and manage risk throughout the testing process
• Build real-time dashboards and KPIs to monitor testing progress
• Ensure all interfaces, integrations, and applications are fully tested to prevent regression issues
• Review SAP blueprints and identify testing impacts
• Coach and mentor project teams on testing best practices
• Produce reusable testing documentation and governance artefacts
• Report testing progress, risks, and quality metrics to Project Managers and Steering Committees

Required Skills & Experience

SAP Expertise

• SAP S/4HANA IS-U
• IS-U Customer Management (CM)
• IS-U Device Management (DMM)
• IS-U Billing & Invoicing (B&I)
• IS-U FI-CA
• SAP CPI
• SAP Solution Manager (SolMan)
• SAP Integration Testing
• SAP Interfaces (IDoc, RFC, CPI)

OpenText

• OpenText Document Presentment
• OpenText Archiving
• OpenText Directory Services

Test Management

• Extensive Test Management experience
• End-to-End Testing
• Integration Testing
• User Acceptance Testing (UAT)
• Regression Testing
• Test Governance
• Test KPIs and Reporting
• Test Strategy & Planning
• Quality Risk Management

JIRA

Advanced expertise with JIRA, including:

• Workflow configuration and optimization
• Dashboards and real-time reporting
• Test management plugins (Xray, Zephyr, or equivalent)
• Permissions, notification schemes, and administration

Methodologies

• ISTQB Foundation Certification (Required)
• ISTQB Advanced Test Manager (Preferred)
• Agile
• Hybrid
• V-Model
• Quality Assurance Frameworks

Additional Skills

• BPMN
• ITIL
• IT Transformation Programmes
• Strong stakeholder management
• Excellent documentation and communication skills

Preferred Experience

• Utilities sector experience (Water, Energy, Gas, Electricity)
• Customer Portal testing
• Large SAP S/4HANA implementation programmes
• SAP IS-U combined with OpenText implementations
• Prince2 certification or equivalent project management experience

Language Requirements

• Dutch – Full Professional Proficiency
• French – Full Professional Proficiency
• English – Full Professional Proficiency

Contract Details

Location: Brussels, Belgium (Hybrid)

Minimum 3 days per week onsite

Start Date: August 2026

Duration: 24 Months

Full-Time Contract

Deliverables

• SAP Test Strategy
• Integrated Test Plan
• End-to-End Test Scenarios
• Acceptance Criteria
• Test Governance Framework
• JIRA Dashboards and Reporting
• Defect Management Reports
• Test Execution Reports
• Reusable Testing Documentation