Neutron fluence calculation at KKB

Axpo is driven by a single purpose – to enable a sustainable future through innovative energy solutions. As Switzerland's largest producer of renewable and nuclear energy and an international leader in energy trading and the marketing of solar and wind power, we combine the experience and expertise of more than 6000 employees driven by a passion for innovation, collaboration and impactful change. Through cutting-edge technologies, we innovate to meet the evolving needs of our customers in over 30 countries across Europe, the US and Asia.

Beznau NPP Reactor and Safety Department, Nuclear Division, Beznau, Switzerland

Your responsibilities
Within this project, you will be involved in the further development of a 3D-MCNP®-Model for the calculation of neutron fluence at KKB. More specifically, this internship project will include the following activities:

  • Get familiar with MCNP and the setting up of inputs for the code
  • Get familiar with the application of modern cross-section libraries
  • Run test cases for various applications, i.e.:
    • calculation of the neutron flux at specific places (where capsules are located)
    • estimation of the activation of materials/components
    • estimation of the dose rate at specific places
    • perform shielding calculations
    • write (Python) scripts for automatic data transfer
  • Documentation

Your profile

  • Good programming skills 
  • Good spatial sense/perception 
  • Basic knowledge of statistics 
  • Good organization skills 
  • Knowledge of a Monte-Carlo Code is a plus 
  • Knowledge of Python is a plus
  • Command of German is a plus

We offer
You will have the opportunity to work alongside nuclear experts and apply your academic and research background in real industrial applications. In this project you will have the opportunity to work at the Beznau nuclear power plant (with home-office option). Depending on the progress of the project, an internship extension and/or a master thesis topic could be proposed.


Axpo Power AG offers 18 internship proposals for the Summer 2024.
Please, apply online using the following link by 21.02.2024
In your online application you can specify for which of Axpo’s projects you are interested in.
A selection day will follow at beginning of March at Axpo’s HQ.

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