Test Engineer

We are looking for a Test Engineer to join our Production Technologies organization at Vaisala headquarters in Vantaa, Finland.

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. For a second year running, Vaisala got recognized in TIME Magazine's World's Best Companies in Sustainable Growth 2026 study. Our team of close to 2,500 experts and 62 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? 

• Focus on new product development projects: You will work hand in hand with R&D from the very beginning, shaping how our future products are tested in production and defining the test technologies and concepts needed to bring them to life. 

• Well-structured projects with clear ownership: You will work in a professionally managed project environment where roles and responsibilities are clearly defined, so you can focus on what you do best. 

• Grow with a strong team around you: Surrounded by supportive colleagues, you will have every opportunity to develop and thrive whether you are just starting your career or already an experienced professional.

What's your role? 

You will work in Production test development team which is a part of the Operations unit. As an R&D project team member your responsibility is to develop test and calibration systems. The work is done from a prototype phase to a final product, and production ramp-up.  

• Design, build and ramp up production test systems for new products; from defining test requirements to implementing both hardware and software 

• Develop the core technologies for production testing and calibration, ensuring our instruments can be reliably verified against target parameters 

• Develop user-friendly test automation and software, making the systems robust and easy to operate on the production line 

• Build manufacturing test competence together with the test development team, test engineering, and R&D 

• Ensure quality and technical integrity by applying and continuously improving test procedures and standards 

• Validate and document test systems and processes, and troubleshoot production issues, driving continuous improvement along the way

What will you bring? 

• Background in a relevant technical field such as electronics engineering, physics, automation, measurement technology, or software engineering, either through studies, work experience, or both 

• Programming and code writing skills (we are using C# in .NET environment) 

• Knowledge of electronics, industrial manufacturing and/or measurement technologies 

• Desire to develop a deep understanding of our products and services to help advance our technologies 

• Strong analytical and problem-solving skills to troubleshoot production challenges and continuously improve test systems 

• Good collaboration and communication skills to work effectively as part of cross-functional project teams  

For additional information please contact Vesa Kyllönen (Senior Manager, VIM calibration and test development), tel: 040 836 0453. Please note that applications sent via email cannot be processed due to privacy reasons. 

Ready to take every measure for the planet? Apply at the latest on May 10th, 2026 via the application form.