Change Manager Business (Senior)

Adjugo; Brussel; À distance; EUR 80 000 - 110 000; Plein temps

Résumé du poste

Sibelga is seeking a Senior Business Change Manager within its People & Tech Solutions environment in Brussels. The role blends 70% strategic project change delivery with 30% Change Office support and culture implementation to drive a sustainable change culture across the organisation.

You will coach project managers on change activities, support HRIS implementations, and help position a new department while aligning with agile principles. Strong multi-stakeholder engagement is essential.

Qualifications

• Five years of senior change management experience
• Proven experience in a strong public regulated environment
• Proven experience in at least three different sectors
• Proven change management experience with HRIS implementation
• Fluency in both French and Dutch

Responsabilités

• Support HRIS implementation
• Support field-tool implementation
• Implement Change Office and culture
• Identify and map impacted stakeholders
• Assess stakeholder impacts and changes
• Define change management plans and activities
• Develop training initiatives and materials
• Organise workshops and events
• Engage stakeholders and measure adoption

Connaissances

Change management

Stakeholder engagement

Agile methodologies

Public regulated environment

HRIS change

Outils

Excel

Power BI

Description du poste

Change Manager Business (Senior) - Sibelga

Dates: 2026-12-01 — 2027-11-30

Arrangements: 100% work regime; 220 days per person. Assignment split: 70% strategic project change delivery and 30% Change Office support and change culture implementation. Extension period stated: 72 months. Remote or hybrid arrangements not specified.

Sibelga seeks a Senior Business Change Manager within its People & Tech Solutions environment. The department helps the company and employees achieve objectives aligned with its strategy. Its People Strategy & Change Office anticipates internal client needs and coordinates strategic activities. The assignment combines 70% change delivery on strategic projects with 30% Change Office support and change culture implementation.

The consultant will support and coach team, programme and project managers on the change aspects of their projects. Projects include HRIS implementation and digital tools for technical and field-based employees. They also include the creation, implementation and positioning of a new department and team. Change Office implementation and the development of an organisational change culture are further areas of support.

The role covers change narratives, stakeholder mapping, impact assessments and change planning. Delivery includes communication materials, training, workshops, events and stakeholder engagement. The consultant will define and measure adoption and adapt the approach using Agile principles. In partnership with the Corporate Change Manager, the consultant will help define and implement an action plan for a sustainable change culture.

Top Reasons to Apply

Shape strategic transformation

Build change culture

Develop Change Office

Deliver HRIS change

Engage diverse employee groups

Responsibilities

• Support HRIS implementation
• Support field-tool implementation
• Implement Change Office/culture
• Identify/map impacted stakeholders
• Assess stakeholder impacts/changes

Must Have

• Fluent French and Dutch
• Public regulated environment experience
• Five years change management
• Seven years change management
• New department change experience

Nice to Have

• Excel / Power BI
• Business process optimization experience
• Complex project resistance management

Detailed Responsibilities and Skills

Additional Responsibilities

• Support change activity implementation
• Develop/deliver training initiatives
• Define/implement cultural action plans
• Current or past AKDAR / PROSCI certification; the source wording does not identify a specific credential.
• Fluency in both French and Dutch.
• Proven experience in a strong public regulated environment.
• Proven experience in at least three different sectors.
• At least five years of senior change management experience; separately listed alongside a seven-year requirement.
• At least seven years of senior change management experience; separately listed alongside a five-year requirement.
• Proven change management experience supporting implementation and positioning of a new department and team.
• Proven change management experience with operator/blue-collar profiles and digital/administrative white-collar profiles.
• Proven experience with multilevel reporting.
• Proven change management experience involving an HRIS implementation.

General skills and methodologies — preferred

• Fluency in English.
• Proven experience in a Human Resources environment.
• Proven experience in business process optimization.
• Proven experience establishing and implementing a Change Office.
• Proven experience managing resistance to change within complex projects.
• Proven experience in the energy sector.
• Proven experience with methodologies such as ADKAR (Prosci), Kotter’s model and Lewin’s model.
• Proven experience with project management.

Tools — preferred

• Knowledge of Excel / Power BI.
• The Senior Business Change Officer will support and coach team, programme and project managers in managing the change aspects of their projects.
• Implementation of digital tools such as an HRIS (Human Resources Information System);
• Implementation of digital tools for technical and field-based employees;
• Creation, implementation and positioning of a new department and team;
• Implementation of the Change Office and development of a change culture within the organisation.
• Develop and articulate the project story and change narrative;
• Identify and map the stakeholders impacted by the project;
• Assess the impact of the project on the different stakeholder groups and identify the changes they will experience;
• Define a change management plan, including the appropriate approach and activities required to build engagement and adoption;
• Support the implementation of change activities, including:
• Creating clear and engaging communication materials;
• Developing and delivering training initiatives;
• Organising, facilitating and leading workshops and events;
• Supporting stakeholder engagement and stakeholder management;
• Define and measure the level of adoption;
• Adapt the change approach where necessary and work according to Agile principles.
• The consultant will also support the Corporate Change Manager in defining and implementing the action plan aimed at further embedding a sustainable change culture across the organisation.