Senior Design Engineer - Thermalhydraulics

Requisition ID:  6183


Thermal Hydraulics Engineer


Work environment 

Within the ‘Safety and Nuclear Engineering’ department of the Global Business Area NUC of Tractebel Engineering, the CFD & Accident studies Group is in charge, among others, of the following disciplines:

  • Licensing Studies (SGTR, FWLB,…); 
  • PWR Plant Operation Support;
  • Computational Fluid Dynamics;
  • Analysis of plant behaviour (e.g. Natural Circulation, …);
  • Severe Accidents Studies;
  • PSA Level 2 


  • You are in charge of performing Licensing Studies;
  • You perform complex thermalhydraulic engineering analysis in the domain of nuclear reactor systems using industry-standard methods and simulation tools (e.g. RELAP5/Mod2, CATHARE or any equivalent recognized software);
  • You defend your work to the Customer and the Safety Authorities;
  • You write technical reports about the studies performed;
  • You work in a team of about 10 engineers, in close interaction with your colleagues.

Qualifications - Internal


  • You obtained a Master in Nuclear Engineering or a Master in Physics;
  • You have around 3 years in analysing Design Base Accidents (Class III and Class IV) and you are being familiar with international codes and standards;
  • You have knowledge of the nuclear domain;
  • You are able to communicate (write/speak) in English and French or Dutch;
  • You are interested to become a high-level expert in this topic;
  • Knowledge of task automation through scripts (eg: Python) is an asset

Tractebel welcomes candidates from all backgrounds, and actively promotes Diversity in the workforce.


Business Unit:  GBU Energy Solutions
Division:  ES Tractebel L2
Contract Type:  Permanent
Job Type:  Full - Time
Professional Experience:  Skilled ( >3 experience <15 years)
Education Level:  Master's Degree