Change Manager

📍 Brussels, Belgium 🏠 Hybrid: 3 days on-site / 2 days remote 📅 Start Date: November 2026 ⏳ Long-term assignment: Initial contract of 2 years with strong extension potential About the Opportunity Our client, a major player operating in a highly regulated and technology-driven environment, is looking for a Senior Business Change Officer to support large-scale transformation initiatives across HR, Digital and Organisational Change domains. You will join a strategic People & Transformation team responsible for driving organisational evolution, digital transformation and change adoption throughout the company. This assignment combines: 70% Change Delivery on strategic projects 30% Support in building and embedding a sustainable Change Management culture Your Responsibilities As a Senior Business Change Officer, you will coach and support project and programme managers in managing the people side of change. Key Activities Develop compelling change narratives and project storytelling Conduct stakeholder analysis and stakeholder mapping Assess change impacts across impacted audiences Define and execute change management strategies and plans Support stakeholder engagement and adoption activities Create communication materials and change campaigns Design and deliver training initiatives Facilitate workshops, working sessions and events Measure and monitor adoption levels and change readiness Identify and manage resistance to change Adapt change approaches in Agile environments Support the implementation and continuous development of a Change Office Projects You May Support Examples of strategic initiatives include: HRIS implementation and HR digital transformation projects Deployment of digital tools for operational and field employees Creation and positioning of new departments and organisational structures Enterprise-wide change management initiatives Development of a sustainable change culture within the organisation Required Experience Mandatory Proven experience as a Senior Change Management Consultant / Business Change Officer Prosci ADKAR certification (current or previously certified) Fluent in French, Dutch and English Strong experience supporting large transformation programmes Experience implementing change initiatives impacting both: Blue-collar populations White-collar / administrative populations Experience supporting the creation and positioning of new teams or departments Experience in HR-related transformation programmes Experience supporting HRIS implementations Experience establishing or scaling a Change Office Experience managing resistance to change in complex environments Experience with multi-level stakeholder management and reporting Strong understanding of change methodologies such as: ADKAR / Prosci Kotter Lewin Experience in project management Experience in business process optimisation Knowledge of Excel and Power BI Highly Desirable Previous experience within the Energy / Utilities sector Experience working in large or complex organisations undergoing transformation Exposure to Agile delivery environments Profile We are looking for a consultant who: Demonstrates strong stakeholder management skills Can influence and engage audiences at all organisational levels Combines strategic thinking with hands-on execution Is comfortable facilitating workshops and leading change initiatives independently Has excellent communication and coaching capabilities Thrives in transformation and fast-changing environments Interested? Please submit your CV highlighting your experience in Change Management, HR transformations or HRIS implementations, organisational redesign and change culture initiatives.