Printing our own 3D prototypes. And becoming more agile in every dimension of our daily work.
Both count. Both are us.

Data Scientist (m/f/d) HVAC Systems


  • In this role you will work in a team of data scientists and system engineers on Advanced Analytics of machine data and customer data as part of Vaillant Group’s system and digital service portfolio to drive our corporate’s vision of “Taking care of a better climate”
  • You will support the development of heating systems and connected services by delivering analytical insights into connected heating systems
  • Thanks to your expertise, you will apply machine learning techniques to improve our heating systems and services, e.g., by developing novel solutions for energy management and systems optimization
  • Furthermore, you will visualize insights in a comprehensible way and present results to stakeholders concisely and clearly
  • You will provide advice to and share your knowledge regarding advanced analytics with data analysts and systems engineers in our community of CO2-saving enthusiasts
  • You will use state-of-the-art cloud technology and continuously extend your knowledge and skills
  • Working with system engineers daily, you will learn how heating systems work and become part of a team for innovative new solutions


  • You have a master’s degree or a PhD in Data Science, Mathematics, Physics, Mechanical engineering, Building Services Engineering or other quantitative fields
  • Ideally you would have practical experience in Data Science/Data Analytics
  • Experience in the development and evaluation of statistical models and a habit of continuously challenging your results and their statistical validity is a must
  • You have expertise in at least one relevant programming language (Python, Java, Scala, SQL, etc.) and can visualize data, e.g., in tools like Tableau
  • Ideally you are familiar with cloud services and Data Science related components, preferably in MS Azure
  • Ability to work in a team, combined with a high degree of curiosity, initiative and the motivation to work in an agile and interdisciplinary environment
  • You are fluent in English


  • Constant learning opportunities for both technical and personal growth through a range of workshops, seminars, events, and e-learnings
  • We offer up to 70% remote work. In addition, our employees can work from a European Union country for up to 30 days a year
  • All our employees with electric cars can use our electric filling station


Sven Wagenknecht

+49219118 4666



Remscheid, DE

Country:  Germany

The Vaillant Group is a global market and technology leader in the fields of heating, ventilation and air-conditioning technology. Join our team of 16,000 colleagues from more than 70 countries who work every day for a better climate – for people at home and the environment. We work on large-scale, innovative and strategic projects. With small, everyday gestures so that we can all play our part. Act global, work global. And become part of a global team. We sell our products in around 60 countries, using ten production and development sites in six European countries, as well as China.

Working for us makes you responsible for the future – your own, and that of our planet. We can offer you excellent conditions.


Apply now »
Since we work climate-neutrally, we can only process online applications. Let's save the climate together and avoid paper applications.