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

Hardware Development Engineer (M/F)


In our hardware development team, you will develop electronic control units for heating and hot water appliances from specification to large-scale production, with focus on HMI, Micro Processor and connectivity solutions. Your missions will be :

  • Develop and optimize electronic circuit units and selection and qualification of electronic components. 
  • Develop and validate standard modules in close coordination with the electronics team based in Germany, the appliance development department
  • Simulate, calculate, measure, test the designs and validate the system/module properties of all relevant assemblies and components
  • Participate in project activities to ensure that objectives are reach in accordance with Vaillant processes and standards.




  • You successfully completed a degree in electrical engineering or communications engineering
  • You have relevant professional experience in internationally active companies
  • You have a sound knowledge of analogue and digital circuit technology for embedded systems as well as electronic hardware design and test methods (eCAD, simulation, EMC). 
  • You have good knowledge in embedded microcontroller/microprocessor systems including memory technologies for IoT application or similar
  • Knowledge of display technologies
  • You have experience in design of communication interfaces (Ethernet, LIN, CAN, WLAN, bluetooth)
  • Very good French and English skills are a matter of course for you


  • 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


Romain Gatard



Saunier Duval

Company:  Vaillant Group
City:  Nantes
Country:  France

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.