Trainee , Corporate Tax and Legal

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?

We are always on the lookout for a talent with a growth mindset – are you the one?  
 
We are looking for an On-Call Trainee, Corporate Tax and Legal, on an on-call basis, estimated 2 days per week.  The preferred location for this position is Helsinki, Finland. We offer a possibility to hybrid remote work. As an On-Call Trainee, you can work up to 25 hours per week. The person who is selected for this role needs to be a full-time student studying for a degree in Finland.   
  
Your role and responsibilities:  
 
As a Trainee, Corporate Tax and Legal, you will assist our team with various tax and legal matters, focusing on income tax, transfer pricing, international tax matters and,  indirect tax, and other tasks of the Group Tax Team, as well as tasks of the Corporate & M&A Legal Team. Tasks may include tax analyses, communicating with the global tax community within Wärtsilä, document drafting and management (e.g., internal agreements), trade registry matters, data verification, archiving, and other office and administrative work in a truly international environment. You will probably start many of your tasks by checking from Google Maps where the relevant company is located as Wärtsilä has companies or branches in over 100 countries.

The best combination to succeed in this role:

• Late phase Bachelor's or mid/late phase Master's level studies in Economics and Business Administration, Law, or a similar field
• Interest in taxation and motivation to learn about income tax, transfer pricing, indirect tax and international taxation
• Interest in getting an insight and participating in corporate legal work
• Excellent communication and writing skills in English and in Finnish or. Swedish language skill is a plus.
• You should have some relevant previous work experience. Work experience in the field of taxation and/or law is a plus but not mandatory
• Organized, focused, and proactive working style with a flexible and positive attitude
• Experienced using various IT systems and tools, especially Word, Excel, PowerPoint. Experience with SAP is an advantage

What’s in it for you?

• Opportunity to learn about taxation and law, and the roles and tasks of Tax and Legal functions of an international listed company
• Induction and training, professional development withing the field of Tax and Lawas a tax expert, and valuable hands-on experience
• Valued and integral member of the Group Tax team, with support for your studies and future career. In addition, opportunity to participate and get integrated in the tasks of the Corporate & M&A Legal team.
• Flexible working hours and possibility to work partly remotely. 
   

Why you and us?   
  
You are valued – as your true self. At Wärtsilä YOU matter. We value diversity and are committed in supporting inclusive work community.   
Your growth is supported. We believe in continuous learning & 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 for 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  
  
Please submit your application before the application deadline of 09.02.2026 through our Careers portal. Applications through email will not be considered. After submitting your application, you will receive a confirmation email.
 
In case of any questions regarding the position, reach out to: 

Jouni Arpalahti
Director, Corporate Taxes
jouni.arpalahti@wartsila.com

Last application date: 09/02/2026 

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. All new Wärtsilä employees in Finland will attend occupational health checks, including drug tests/screenings where applicable. When a person is located outside of Finland, the country legislation is followed.

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.