The person in the given job position will be responsible for development of innovative technical functions and control algorithms for embedded systems in the HVAC area, covering the entire specification, analysis, design and test process. 


  • You will be responsible for the analysis of product and system requirements characteristic for thermal and electrical energy systems; 
  • You will be responsible for the specification, implementation and test of system functions, applied to thermal and electrical energy systems with focus on heat pumps and energy management systems; 
  • You will be designing and validating the functions and algorithms on early stage of development using simulations methods to obtain best quality and performance and check the validate the results through laboratory tests with real devices; 
  • You will support your team during the specification of test concepts and cases that are carried out on system, integration and unit level; 
  • You will document developed functions and interfaces.


  • Bachelor’s or Master’s degree, preferable in the field of electronics, automation & controls, mechatronics or system engineering; 
  • 3 to 5 years of experience in the field outlined by the tasks above; 
  • Expertise in using tools related to model-based design, preferable Matlab/Simulink; 
  • Practical experience in design of control algorithms; 
  • Experience in development of software for embedded systems; 
  • Knowledge on the modeling procedure of dynamical systems focusing on thermal and/or electrical energy domain; 
  • Experience in object-oriented programming is a plus; 
  • Very good English skills, German is a plus. 

Packages and extras

  • Healthcare package
  • Healthcare package for families
  • Leisure package
  • Leisure package for families
  • Language courses
  • Conferences
  • Trainings
  • Books
  • Financial bonus


  • Cold beverages
  • Hot beverages
  • Fruits
  • Snacks
  • Integration events
  • Chill room
  • Lunches
  • Car parking
  • Bicycle parking

We are a family business, 100% managed by the Viessmann family.

We work with the mission of changing the world for the better in the face of climate change.

We contribute to the success of Viessmann, we develop proprietary software.

Our applications are market leaders in optimizing energy consumption in homes around the world. We make use of solely modern technologies.

Our applications are dedicated to: 

  • the B2B market for Installers and Service Technicians - enabling remote configuration of Viessmann devices and facilitating the automation of the installation process.
  • the B2C market for End Customers - enabling remote management of Viessmann devices in the home environment (heating - boilers and heat pumps, ventilation, air purifiers, PV systems, power solutions electric cars).

Facts about us:

  • +390 employees
  • over 10 years of experience on the IT market
  • family atmosphere (not a slogan, see for yourself)
  • the app store rating of our apps at 4.7

Why our R&D Viessmann Center is right place for you?

  • We are our own client - each release is a wonderful feeling.
  • We have a real influence on the choice of technologies we use. All you need to do is to properly justify your choice, and the company will allow you to show yourself off technologically.
  • We care for the environment and a healthy lifestyle - this is what we speak out loud about in our country.