I only had one 30 min-interview with the HR who was kind for a position as a junior project engineer. Classic HR interview basically. The recruitment process had to be stopped after the first interview because they need their collaborators to be accredited to work in the space industry (French nationality, clean criminal record, etc.) even thought the collaborators don't want to work in the spatial industry and I didn't match all these conditions. I think this kind of critical condition should be given right from the start on the job offer to avoid wasting the time of candidates and the company. The HR person also switched in english for a few questions to test my english skills.