Summer Trainee, Group Tax

We are looking for a Trainee to join our Group Tax team at Vaisala headquarters in Vantaa, Finland. If you are a student interested in international taxation, this is a fantastic opportunity to gain hands-on experience and develop your expertise.

Vaisala is a global leader in measurement instruments and intelligence helping industries, nations, people, and the planet to thrive. From predicting hurricanes to optimizing renewable energy production, our technology is used where it matters the most – from data centers, windfarms and laboratories to airports, the Arctic and even the surface of Mars. Vaisala is recognized in TIME Magazine's World's Best Companies in Sustainable Growth 2025 study. Our team of over 2,400 experts and 59 nationalities around the world is committed to taking every measure for the planet. Driven by our shared purpose, curiosity, and pioneering spirit, we stay ahead and make a difference. At Vaisala, you don't have to fit in to belong.

Why join us?

This role offers a unique opportunity for a student who has completed at least some courses in taxation and wishes to further develop his or her tax knowledge within an international company.

What will your summer look like?

You will join Group Tax Team consisting of experienced tax professionals. Your main responsibility will be to prepare transfer pricing documentation for certain group entities, with the support of your Group Tax colleagues. In addition, you will work with other topics relating to international and domestic taxation. You will work in close co-operation with finance and business.

In this role, you will:

• Prepare transfer pricing documentation for different Vaisala Group companies. You will ensure that transfer pricing documentation is consistent, timely, and compliant with relevant requirements.
• Support the Group Tax team in various day-to-day tax-related tasks as needed. These may include, for example, responding to tax-related inquiries from the business, supporting business projects in foreign countries, handling tax registrations and monitoring changes in tax legislation.

The position is scheduled to start in April 2026 and continue until the end of August or September 2026. During April and May, the role will be part-time, with a planned increase in hours starting in June. The exact start and end date as well as weekly working hours will be agreed with the candidate.

In this position you will regularly work at our office in Vantaa, while also having the flexibility to work remotely for a part of the working days.

What will you bring?

• Ongoing university studies in a relevant field (for example economics or law), ideally having completed at least three years of studies.

• You are eager to learn more about taxation and you have already finalized at least some courses in taxation, including courses covering international taxation and transfer pricing. You have a basic understanding of transfer pricing principles.

• Ability to take initiative and ownership of your own projects and co-operate with different stakeholders

• Excellent communication skills in English; Finnish is considered an advantage

• MS Office skills

For additional information please contact Tax Manager, Marina Svartsjö, marina.svartsjo@vaisala.com

Ready to take every measure for the planet? Apply at the latest on January 31, 2026 via the application form. Please attach your CV and cover letter. 

Please note that applications sent via email cannot be processed due to privacy reasons.

Kindly note that we are not able to provide support in relocation or work permit-related matters.