Bombardier Service Execution Engineer interview questions

Online tests > Phone interview > Assessment centre Usual admission process as other big companies. Rather easy tests, then I was called for a phone interview with the usual skills questions (leadership, teamwork, etc), after about 2 weeks they told me I passed it and I was invited to an AC. The AC consisted in a 1-1 interview with a senior member (skills and technical questions as well), a case study and a group exercise, not too easy. They said they would have called back in 2 weeks, after 1 month an a half I've been told that I've been rejected.