Summer Trainee, Sustainability

Are you ready to power the future with a summer job at the heart of the energy industry? Apply now and join us for an impactful summer 2026!

About the role

We are looking for an ambitious and active Sustainability Trainee to join our Corporate Sustainability team. This position is a great way to gain practical experience in sustainability within a large company and the energy industry.

As a Sustainability Trainee, you will:

• Coordinate Fortum’s response to Ecovadis sustainability assessment

• Support the development of ESG risk management processes

• Coordinate gap analysis of stakeholder engagement processes that are part of ESG impact assessment based on different regulatory frameworks, e.g., CSRD and CSDDD

• Research and analyze best practices, prepare presentations, background documents, and recommendations for decision-making

• Support other sustainability team tasks on a demand basis

The exact focus areas and assignments will be defined based on your background, experience, and interests. The position is located at Fortum’s headquarters.

About you

We are looking for committed students or recent graduates eager to learn and contribute to our purpose: to power a world where people, businesses, and nature thrive together.

We hope you apply if you:

• Have completed minimum three years of studies in sustainability, supply chain management, risk management, social sciences, or business

• Have an understanding of, or interest in, sustainability concepts, risk management, supply chain sustainability, stakeholder engagement, or due diligence processes

• Are development-oriented with a hands-on attitude, eager to learn, able to work independently, take initiative, and assume responsibility

• Have good communication and networking skills, and are fluent in written and spoken English

We offer you

At Fortum, we value our summer trainees and want to make your experience rewarding. During the summer you will:

• Receive an introduction to your tasks and be supported by your team

• Work with interesting and diverse tasks with real responsibility

• Enjoy flexible ways of working, including remote and in-office work

• Learn about Fortum, the energy industry, and sustainable solutions we are developing

• Network with other summer trainees across the company

Our headquarters is a smoke-free workplace, and we are committed to building diverse teams where everyone feels included and treated equally.

Read more

Read more about Summer Energy, our recruitment process, and previous summer trainees’ experiences here:
Energetic summer job at Fortum | Fortum

Interested?

If this sounds like the perfect opportunity for you, please submit your application, including your CV and cover letter, through our recruitment system by 8 February 2026.

We’d love to hear your own voice in the cover letter — tell us who you are and what you would bring to the team. Please avoid AI-generated content so we can get to know you personally.

We will begin reviewing applications and interviewing candidates already during the application period, so please apply as soon as possible.

Riina Alenius
Director, Sustainable Finance, Compliance and Social Sustainability
📧 riina.alenius@fortum.com
📞 +358405664849

We encourage you to apply as soon as possible! We will start reviewing applications already during the application period. The job ad will close as soon as the right candidate is found.

The summer trainee period is planned from beginning of May to end of August 2026. Please indicate your availability in your application as well as which position you are most interested in.

We are Fortum

Fortum is a Nordic energy company. We generate and deliver reliable energy to our customers and the Nordic energy system while helping industries decarbonise their processes and grow. Our core operations comprise efficient and best-in-class low-carbon power generation, customer services, and heating and cooling. Fortum’s power generation is already 99% from renewable or nuclear sources, with one of the lowest specific CO₂ emissions in Europe. We are guided by ambitious SBTi-validated emission reduction targets on our way towards net-zero by 2040. For our ~4,500 employees, we commit to a safe and inspiring workplace. Fortum's share is listed on Nasdaq Helsinki.