Carbon & Sustainable Finance Intern
Sweep is hiring an Intern Platform & Sustainability Expert for a 6-month internship starting early 2026, to work on our enterprise climate and ESG program software.
Sweep is hiring an Intern Platform & Sustainability Expert for a 6 months internship, starting early 2026, to work on our enterprise climate ESG program software.
In this role, you’ll support our Delivery Team as they guide customers on their sustainability transformation journeys. You’ll work primarily but not exclusively with financial sector customers; banks, investors, and portfolio companies, helping them leverage Sweep’s platform to manage carbon and ESG goals. 🌍 You’ll also get opportunities to collaborate with our wider portfolio of corporate (non-finance) customers, giving you broad exposure to sustainability challenges across industries.
Ok, sounds promising. What will I be doing?
You’ll learn directly from experienced team members, building hands-on skills in project coordination, customer onboarding, and sustainability best practices for both financial and corporate customers. Your work will help customers become confident, independent users of Sweep, while you grow your expertise in both climate tech and sustainable finance.
To be more specific, this includes:
1. Customer Implementation & Technical Support 🔧
- Be supported in building advanced knowledge of the Sweep platform.
- Assist with onboarding and implementation projects, focusing on finance customers and their portfolio companies, guided by experienced colleagues.
- Participate in collaborative sessions to help configure and tailor the Sweep platform to specific ESG use cases.
- Support data integration, platform customization, and automation tasks.
- Help troubleshoot data integration issues and suggest solutions.
2. Platform Learning & Customer Training 📚
- Help deliver training sessions and support the creation of enablement content for customers.
- Adapt your communication style to fit each customer’s needs and learning preferences.
- Guide customers in understanding carbon tracking, ESG metrics, and reporting requirements using Sweep.
- Share best practices to help all customers get the most from the platform.
3. Project Coordination & Teamwork 🤝
- Support project planning, timeline tracking, and deliverable follow-up using internal tools (e.g., Float, Notion).
- Attend meetings and ensure key actions are followed up.
- Communicate regularly with team members, partners, and customer contacts.
- Help ensure smooth handover to customer success teams after implementation.
4. Sustainability Advisory & Product Feedback 🌱
- Grow your expertise in carbon accounting methodologies through hands-on application.
- Contribute to product roadmap discussions by translating customer needs into feedbacks.
- Stay curious about ESG trends and regulations and share insights with your team.
- Help explain how Sweep’s features support customer sustainability outcomes.
5. Customer Relationship & Success Focus 💚
- Build strong working relationships customer project teams through clear communication and reliable support.
- Contribute to high customer satisfaction by being proactive, responsive, and positive.
- Help resolve challenges during implementation, escalating issues when necessary.
- Support Sweep’s mission by helping all customers become confident, long-term users and advocates of our platform.
That sounds just right for me. What do I need to bring?
Glad you asked. This is who we’re looking for:
Qualifications 🏆
- You’re a recent graduate or final-year student seeking a 6-month internship (starting early 2026) in business, finance, environmental science, sustainability, or a related field.
- You have a strong interest in sustainability and climate change.
- You thrive in a fast-paced, collaborative environment where you can make an immediate impact.
- You are tech-savy and comfortable upskilling and mastering new IT tools.
- You have working knowledge of carbon accounting methodologies and ESG reporting frameworks.
- You are eager to learn more about ESG, carbon accounting, and climate tech.
- You're excited to take ownership of projects and see them through to completion.
- You communicate clearly and enjoy helping others succeed.
- You’re organized, proactive, and comfortable working in a team as well as independently.
- You are proficient in English and in French.
- Previous experience in customer-facing roles, project work, in the customer sector or sustainability initiatives is a bonus, but not required.
Qualities 🧠
- You're proactive and can identify areas of improvement and potential solutions, taking the initiative to implement these changes.
- Ideally, you should be able to work both independently and as part of a team, handling a variety of tasks. Prioritizing quality over speed, having a passion for problem-solving, and a drive to develop solutions and products are all essential traits.
- Excellent communication and collaboration skills, coupled with the ability to explain complex concepts in a comprehensive way.
- Finally, you're align with our mission to create a sustainable future and ready to make a difference.
Copy that. And what’s in it for me?
You will be joining an exciting young business that has the humble ambition to change the world. With a proven track record in starting companies, we’re planning to hit the ground running and have an impact fast. Joining this journey right at the beginning allows you to really help shape our path.
Our hybrid work model, with hiring focussed around our head offices in Paris, London and Montpellier, allows us to balance our personal and professional lives while staying connected and engaged with colleagues and clients.
We’re big believers in creating successful businesses that are good for everyone, including society and the planet. That’s why we have a B Corporation status.
We think this will be the ride of our lives. And maybe yours, too.
- Department
- Sustainability
- Locations
- Paris, London, Montpellier
- Yearly salary
- €1,000
- Employment type
- Internship

About SWEEP
Sweep is a sustainability data management platform. Though our primary focus is on environmental action, Sweep supports clients with all ESG goals, including waste reduction, water usage, biodiversity impacts, social equity and transparency in governance.
We’re building a business that’s good for everyone, including society and the planet. That’s why we have B-Corp status and are an entreprise à mission, with our own committee that helps us keep to our manifesto.
We’re committed to building an inclusive company, with a diverse group of talented people who all feel valued, feel like themselves, and thrive.
Already working at SWEEP?
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