Avertim is a uniquely positioned Management Consulting Group that bridges the gap between Strategy and Operations. Our mission is to translate the strategy of our clients into actionable projects by bringing together Business, Technology and Management, and by driving Innovation, Performance and Compliance.
Founded in 2007 and headquartered in Brussels, Avertim has grown into a European consultancy group with more than 300 consultants and offices in Belgium, France, Germany and the Netherlands. We take pride in holding the EcoVadis Platinum certification, reflecting our commitment to sustainable and ethical business practices.
To expand our Sustainability capabilities, we are currently strengthening our Sustainability Service Line aimed at supporting clients in their ESG challenges.
We are therefore looking for a Sustainability Engagement Manager to join our Brussels office.
Your Role & Responsibilities
As a Sustainability Engagement Manager, you will play a key role in building and structuring our Sustainability Service Line, working cross‑functionally with all Avertim practices (Life Sciences, Industry, Public Sector, Transport & Energy, etc.).
Your responsibilities include:
Business Development
* Help shape and grow the Sustainability offering within Avertim.
* Identify new business opportunities in ESG implementation & transformation, waste & circularity, certifications and decarbonization.
* Develop client relationships and contribute to commercial proposals.
Project Delivery (≈80% on mission)
* Lead and deliver sustainability‑related client projects (change & transformation programs, ESG roadmaps, workshops…).
* Ensure high‑quality project execution, stakeholder management and client satisfaction.
* Act as a trusted advisor bringing both business and sustainability expertise.
Service Line Creation & Knowledge Development
* Contribute to the design of methodologies, tools and internal knowledge assets for the Sustainability offering.
* Support internal capability building and cross‑practice collaboration.
People & Change Leadership
* Manage consultants and guide teams in sustainability topics.
* Contribute to change management initiatives related to ESG and sustainability transformations.
Your Profile:
We are looking for a professional with:
* Between 3-8 years of experience in Sustainability, ESG, Responsible Business or related consulting domains.
* A Master in Sustainability, Environmental Management, or equivalent specialization.
* Demonstrated experience in: Business Development (BD exposure or commercial affinity) and Project Management .
* ESG frameworks, reporting standards or sustainability transformation programmes.
* Strong communication skills and trilingual proficiency (FR/NL/EN) .
* Entrepreneurial spirit and willingness to help build a new cross‑functional Sustainability Service Line from the ground up.
* Team leadership skills and a collaborative mindset.