Summer Trainee, Finance Data

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

In this role, you will support the development and maintenance of ETL processes within the Financial Data Services, ensuring alignment with the harmonized data model and supporting the business needs. 

About you

We hope that you apply for the position if you have:

• A university degree/PhD (or ongoing studies) in a relevant field such as computer science, energy business or statistics.
• Knowledge of data platforms (especially Azure) and their key tools (such as Databricks).
• Knowledge of databases and basic database concepts.
• Knowledge of version control tools (e.g., Git) as well as ETL/ELT processes and principles.
• Strong communication skills in English. Additional language skills (especially Finnish, Swedish, Norwegian, or Polish) are considered an advantage, as some systems are not available in English.
• Previous experience from the energy domain will also be considered an advantage.

We offer you

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 a hybrid work model with flexible working hours, allowing you to balance remote and in-office work.
• Learn about our company, the energy industry, and the sustainable solutions that we are working with.
• Can network with other trainees.
• Gain valuable experience, that can lead to a career with us. Many of our trainees continue after the summer, working part-time while continuing studies or as thesis worker.

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 13th, 2026. For further information about the role, please contact Anvesh Penmetsa via email anvesh.penmetsa@fortum.com.

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 s 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.

The summer trainee period typically runs from May to September.

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