Teleste is an international technology group with an integrated range of products and services that help build a connected and secure society and reduce the burden on the environment. Our solutions enable television and broadband services, ensure safety in public places and guide smooth use of public transport. Our innovation and solid experience have made us a world‑leading technology company in our fields. Our customers include telecommunications operators, train manufacturers, public transport operators and public sector organizations.

We are now looking for a Summer Trainee to join our Sustainability team and support our work in environmental data management, responsible operations and sustainability communications.

Your Role

As a Summer Trainee, you will support Teleste’s sustainability and ESG work across several practical areas. Your responsibilities will be tailored based on your expertise and interests, and typically include:

• Collecting, validating and organizing sustainability data, including information relevant for emissions calculations (Scope 1–3).

• Updating and developing intranet content

• Creating process descriptions in management system

• Supporting sustainability‑related communications

• Taking part in other sustainability‑related tasks, based on business needs.

We Expect from You

• Studies in a relevant field (e.g., sustainability, environmental sciences, engineering, business).

• Interest in corporate sustainability

• Basic knowledge of emissions calculations

• Analytical mindset and attention to detail

What We Offer

• A chance to work with experienced sustainability professionals and gain hands‑on experience in real business projects.

• Insight into EU sustainability regulation, including CSRD, ESRS and the EU Taxonomy.

• Meaningful work supporting Teleste’s sustainability goals and climate initiatives.

A great and supportive work community that values employee well‑being.

The position is located in Turku/Littoinen, Finland, with hybrid work available, and the duration of the role is Summer 2026.


Got interested?

We’d like to hear from you so please send in your application as soon as you can, and no later than March 8, 2026!

For more information about the position, please contact Katri Järvinen-Wilén, Sustainability Director +358407764314