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 the sustainability area in a big company and in the energy industry. Main tasks include;

• Coordinate Fortum´s primary data collection from suppliers, including making a plan for how to collect and improve data quality, define appropriate tool to use in the future and possibly run a small pilot with selected suppliers

• Support in creating an LCA guidance to our business units and develop some sort of data base, e.g., in excel for hands on support to the business

• Study the demand for low-carbon products (e.g. concrete and steel) including e.g., current and future demand, price expectations, quality and benchmarks
• You will also research and analyze best practices, prepare presentations, background documents and recommendations for decision-making, as well also support other sustainability team tasks on a demand basis

About you

We’re looking for committed students or recent graduates eager to learn more and contribute to our purpose: to power a world where people, businesses and nature thrive together. To succeed in the position, we hope you have;

• Minimum three years of studies in sustainability, supply chain management, social sciences, business administration or similar
• Understanding or interest in broader concepts of sustainability, supply chain sustainability, emission data or climate area in general
• Structured approach to work with data and ability to create ppt presentations
• Development-oriented and hands-on attitude, eagerness to learn new things - you are also able to work quite independently and to take initiative and responsibility
• Good communication and networking skills
• Fluent writing and speaking in English

We offer you

We value our summer trainees and want to make your experience rewarding. We offer a meaningful job in our Corporate Sustainability function, in one of the leading energy companies in the Nordics. During the summer you will: 

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

• Work with interesting and diverse tasks and get responsibility. 

• We offer flexible ways of working; working remotely and at the office.  

• Learn about the company, the energy industry and sustainable solutions that we are working with.  

• We make it possible for you to network with other trainees.

Read more about Summer Energy, our recruitment process and previous summer trainees’ experiences here.

Interested?

If this sounds like the perfect opportunity for you, send your CV through our recruitment tool by February 8, 2026.  For further information about the role, please contact Karin Hallberg, Director, Environmental Sustainability, karin.hallberg@fortum.com, +4672 202 93 92.

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.

Our recruitment process may vary depending on the role, but here’s what you can expect:

• Please apply only with your CV/Resume.
• We use screening questions in the application form to ensure candidates meet the must-have requirements.
• For many roles, we include a digital assessment tool (Assessio) early in the process to make the process fair and unbiased, considering the high volume of applications.
• Some applicants are invited to interviews either via Teams or in person, this stage includes at least one interview with the hiring manager.

It would be great if you could work from May until end of August. Please indicate your availability in your application and which position you are most interested in.

To be selected for the position, the applicant must go through background clearance and a health examination including drug testing.

We are Fortum

Fortum is a Nordic energy company. We generate and deliver reliable energy to our customers and the Nordic energy system while at the same time 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 our ambitious SBTi-validated emission reduction targets on our way towards net-zero by 2040. For our ~4,500 employees, we commit to be a safe and inspiring workplace. Fortum's share is listed on Nasdaq Helsinki. fortum.com