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Filling most of our leadership positions internally. And encouraging younger and older colleagues to learn from each other.
Both count. Both are us.

HVAC System Architect (m/f/d)


  • As HVAC System Architect (m/f/d) you have a key role in defining and aligning a group-wide portfolio of architecture platforms and related system functions, thereby realizing understandable and sustainable functional architecture solutions  
  • You will develop models and views of the architectures under consideration and moderate the selection of the preferred architecture(s) for the systems in question   
  • You define the system concepts and functions together with the various development areas in order to implement the customer requirements 
  • You will document this definition, e.g. in the form of SysML models and functional descriptions 
  • Through the close exchange with our system analysis team, you will receive continuous feedback on the performance of the systems, can incorporate this in the design of the systems and continuously develop your technical skills 
  • The target group-oriented documentation and presentation of your work results and decision documents for the development teams and the management are a matter of course for you


  • You have successfully completed a master's degree in the field of mechanical engineering, supply engineering or electrical engineering, giving you the necessary tools of the trade 
  • You can draw on professional experience in product and system development, ideally in the heating and air conditioning industry 
  • Your good understanding of how components work and interact in the system will help you in your day-to-day business. Ideally, you have already deepened this knowledge in the definition and design of systems 
  • You are enthusiastic about Model Based Systems Engineering and have already gained experience with requirements management tools, such as Polarion, and SysML/UML modeling tools (e.g. PTC Modeler) 
  • Due to your very good German and English skills and your open and trustworthy personality, you communicate confidently on all levels 
  • You have the desire to drive the energy transition and our digital future forward


  • We are part of the solution. Our highly efficient, environmentally friendly technologies conserve resources and reduce CO2 emissions in the long term
  • Each employee organizes his hours individually in coordination with his colleagues. This allows family and career to be flexibly coordinated
  • Our professionals are trained in soft and social skills and in this way prepared for the next career level
  • We value teamwork and a good togetherness


Tobias Weber

+49 2191 182 401


Vaillant Group

Company:  Vaillant GmbH
City:  Remscheid
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 15,000 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.


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