Senior ESG Expert

What You Will Be Doing 

You will play a vital role in helping our clients understand, manage, and improve their environmental and social performance. Working closely with your team members, data engineers and developers, you’ll support the full onboarding and data integration process for our key clients. This includes everything from determining the scope and analysing data to selecting relevant emission factors, running calculations, and visualizing results that drive real impact. You will also be responsible for digging into and making sense of all data necessary to measure the sustainability impacts of our clients.  

Your close collaboration with clients and strong data skills will also allow you to drive innovation. You’ll deliver input to improve and scale our product and services. Think about developing new features like forecasting, scenario modelling, QA checks, or improved export functions. 

Finally, you will be an integral member of our highly motivated, dynamic and fun team! And you will be part of the B Corp community. 

In short: you’ll make our clients happy, and the planet a little better 🌱 

Some of your Key Responsibilities 

• Take the lead in onboarding clients and integrating their ESG data into our platform. 

• Be the primary point of contact for client questions, ensuring timely and accurate responses 

• Define project scopes, timelines, and deliverables in collaboration with clients and internal colleagues 

• Analyse and troubleshoot product issues, providing effective solutions or escalating to the development team 

• Stay up to date on platform capabilities and new features 

• Collaborate closely with product and development teams to translate client feedback into improvements 

• Support product testing and contribute to ongoing product development 

What are we looking for 

• Higher professional or academic degree (e.g., sustainability, industrial ecology, or similar) 

• 7+ years of experience in ESG or sustainability consulting 

• Experience in working with clients or in a consulting environment 

• Excellent communication skills  

• Familiarity with sustainability modelling (e.g., carbon accounting, Life Cycle Assessment) 

• Data-driven mindset and analytical skills 

• Structured work style, positive can-do attitude, and desire to improve efficiency 

• Fluent in Dutch and English (spoken and written) 

• A growth mindset and eagerness to keep learning 

• Passion for working in a fast-paced, mission-driven scale-up 

• Able to work at our Rotterdam office several days a week 

Bonus points if you have: 

• Project management experience 

• Knowledge of ESG impact reporting (e.g. carbon accounting, GHG Protocol), relevant EU regulations and/or other reporting frameworks) 

What We Offer 

• Purposeful work: Be part of the change you want to see in the world; help companies reduce their environmental and social impact 

• A growing team: Join a talented, mission-driven team at a certified B Corp and help grow our organization 

• Work-life balance that works for you: because we believe it brings out the best in each team member. Whether it’s working hours, location or flexibility – tell us what you need to thrive, and we’ll make it work together. 

• A competitive salary and benefits package 

• A culture of ownership and fun: We work hard, laugh often, and support each other every step of the way