For one of our clients in Belgium, we are currently looking for a Senior Thermal Hydraulics Engineer with nuclear industry experience and fluency in French or Dutch to join activities for multiple nuclear power plants in Belgium. This is an initial 1-year contract with possible extensions, to be based in Brussels.

Role description

Within the Nuclear Processes department of our client, the CFD & Thermalhydraulics team is in charge of the following disciplines:

  • Licensing Studies (SGTR, FWLB, etc) – SAR Chapters 15 and A.15;
  • Containment and Subcompartiment Thermalhydraulic analysis in an accidental situation;
  • PWR Plant Operation Support;
  • Computational Fluid Dynamics;
  • Analysis of plant behaviour (e.g. Natural Circulation, Complex Flow Analysis and Heat Transfer Phenomena).


The Senior Thermohydraulic Engineer will be responsible for :

  • In charge of performing Thermohydraulic Licensing Studies;
  • Perform complex thermal hydraulic engineering analysis in the domain of nuclear reactor systems using industry-standard methods and simulation tools;
  • Defend your work to the Belgian Safety Authorities;
  • Write technical reports about the studies performed;
  • Work in a team of 15 engineers, in close interaction and collaboration with your colleagues.

Essential skills

  • Master in Engineering / Physics or equivalent;
  • Background in analysing Design Base Accidents (Class III and Class IV) and/or DEC;
  • Strong working experience with RELAP5 and/or TRACE
  • Experience and knowledge of international codes and standards;
  • At least basic knowledge of the Belgian NPP Fleet;
  • Ability to communicate (write/speak) in English and French or Dutch;
  • Interest in becoming a high-level expert in the domain of thermal hydraulics.
Published by Thomas Thor

Thomas Thor Associates is a consulting and recruitment organisation providing services to the global nuclear sector. We represent nuclear industry experts and provide nuclear jobs to our clients for either freelance contract assignments or permanent staff positions.

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