Summer Power -program 

What is the Summer Power -program?

Summer Power is Wärtsilä`s official summer trainee program for students studying for a degree. We are looking for over 600 summer trainees to join our teams in Vaasa, Turku and Helsinki, with hybrid work opportunities. With Wärtsilä, you will work in a company that values you, supports your growth and is passionate about innovation & sustainability.

The application period for our Summer Power 2024 was 2.1.-29.2.2024. We received over 6700 applications and want to thank everyone for applying.

Information about Summer Power 2025 will be published here during autumn 2024.


“I really like our team spirit. I feel that it has been effortless to discuss ideas with my colleagues, and our team has an excellent work ethic and will to develop the business (2)
“I really like our team spirit. I feel that it has been effortless to discuss ideas with my colleagues, and our team has an excellent work ethic and will to develop the business (1)

What do we offer to you? 

We have summer trainee positions in a wide variety of teams with diverse tasks from all over our organization. We offer interesting tasks with extensive learning opportunities. The specific tasks of each trainee will vary depending on the team and trainee's skills and interests. You can read more about the positions from "Application categories" below.

As a summer trainee you get to work with our experts and professionals, who are truly great to work with and always ready to give you a hand and guidance when needed. For us it is important that every Wärtsiliän feels encouraged to be their true self at work - we believe that together we can create and strengthen a working environment that supports diversity and inclusion. 

In Wärtsilä all work is guided by the Wärtsilä Way as well as our task related targets, safety guidelines and quality standards. Continuous development and innovation are a part of daily tasks, so you will get the chance to help us to develop our operations within your responsibility area.

All of our summer trainees will also be part of our summer trainee community. This is a great chance to get new friends and widen your network with likeminded future talents. We will organize activities and events for the community throughout the summer.

What are we looking for?

We are looking for innovative, curious and solution focused students that share our ambitions towards decarbonisation and making a difference in the society by enabling sustainable societies through innovation in technology and services. We value solution-oriented people who are ready to take responsibilities and enjoy working in teams towards our shared goals. 

As our official working language is English, most of our summer trainee positions do not require Finnish nor Swedish skills. However, there are some positions where the language requirements are wider. You can find this information from the job announcements.

Please note that to be suitable for our Summer Power -program, you must be a student. There is no relocation costs and/or immigration support available for these positions.

If you have any questions, please check the Q&A first. For more support, please contact us via e-mail:

Application categories

Our summer trainees work in teams that part of our two main business areas, Marine and Energy, or in our Global Support Functions. We have eight different application categories - with one application you will automatically apply to all of the positions open in the category. More information about the categories can be found here.

You can find the job posts and leave your application by clicking the name of the category below.