I applied online. The process took 2 weeks. I interviewed at ENGIE (Brussels) in Sept 2012
Interview
I had one interview with Head of department and with a manager. They made some few question regarding my background and why I want to join the company. Interview was not difficult.
Interview questions [1]
Question 1
Just some typical questions such as: why GDF Suez, Why this Position, What are you looking for in your professional life, etc...