Wärtsilä is an innovative technology company known for being a forerunner in the Marine and Energy markets. Every day, we – Wärtsilians - put our hearts and minds into turning Wärtsilä's purpose of enabling sustainable societies through innovation in technology and services into reality. Our ultimate aim is to provide increased value to both our customers and society. New, game-changing ideas and continuous improvement have been part of our DNA since 1834. Together, we can create new business opportunities and more sustainable future that we can all be proud of. 

We want to transition the world towards a decarbonised and sustainable future. By pushing the boundaries of engineering and technology, we can make it work. We are always on the lookout for future-oriented talent – want to join the ride?

The world of energy is evolving faster than ever before, fundamentally changing how we generate and consume electricity. At Wärtsilä, with our forward-looking energy solutions, we aim to lead the transition toward a 100% renewable energy future.

Wärtsilä Energy’s Strategy & Business Intelligence team is seeking an on-call trainee to explore this dynamic industry and support the team in market intelligence, data analytics, and strategic analysis. A strong interest in the energy industry, business, and market analytics is essential for this role.

The On-Call Trainee position offers versatile learning opportunities alongside your university studies. It is a temporary, part-time role with a maximum working time of 25 hours per week. The trainee period runs from 1 October 2025 to 30 April 2026. Applicants must be full-time university students pursuing a degree. The preferred location is Wärtsilä’s headquarters in Helsinki, Finland, although other Wärtsilä locations in similar time zones can be considered. The person who is selected for this role needs to be a full-time student studying for a degree in Finland.   

As an on-call trainee, you will support the team in:

• Analysing business and market data to identify insights that support data-driven strategic decision-making
• Monitoring and analysing developments in the external business environment, energy industry, various markets and customer segments, and the competitive landscape
• Collaborating across business units to understand analytical needs as well as strategic data availability and data requirements within the Energy business
• Formulating and advancing strategic initiatives
• Developing and maintaining selected business intelligence dashboards, tools, and reports

You will thrive in this role if:

• You have a strong interest in the energy industry and its dynamics
• You have a basic understanding of the roles of different power generation technologies
• You enjoy working with business data and quantitative strategic analysis
• You are a team player with a mindset for continuous learning and improvement
• You like breaking down complex phenomena into clear, communicable questions and answers
• You are eager to explore and present your own ideas and insights
• You are pursuing a degree in Finance, Data Science, Economics, Energy, Industrial Engineering, or another relevant field
• You are fluent in spoken and written English

Why you and us?
 
You are evaluated – as your true self. At Wärtsilä YOU matter. We value diversity and are committed to supporting an inclusive work community.
Your growth is supported. We believe in continuous learning and teamwork. Wärtsilian community has your back when it comes to development opportunities, so you can develop beyond your potential.
You get to make a difference. Innovation and sustainability are important to us. Every day, we - Wärtsilians - put our hearts and minds into enabling sustainable societies through innovation in technology and services into reality.
 
Contact & next steps:  
 
If you’re excited about joining this working environment and believe your skills and interests align with the role, we look forward to receiving your application by 14 September 2025, via our career portal. Please note that interviews with suitable candidates may begin during the application period. Applications submitted via email will not be considered. 

In case you have any questions, please don't hesitate to contact:

Nette Lehtinen
Director, Strategy and Business Intelligence, Energy Business
nette.lehtinen@wartsila.com

Last application date: 14/09/2025 

At Wärtsilä we value, respect and embrace all our differences, and are committed to diversity, inclusion and equal employment opportunities; everyone can be their true self and succeed based on their job-relevant merits and abilities. 

Please note that according to Wärtsilä policy, voluntary consent for a security check may be required from candidates being considered for this position, depending on the applicable country.

This is Wärtsilä 

Wärtsilä is a global leader in innovative technologies and lifecycle solutions for the marine and energy markets. Our team of 18,300 professionals, in more than 230 locations in 77 countries, shape the decarbonisation transformation of our industries across the globe. Read more on www.wartsila.com.