SpaceX Build Reliability Engineer interview questions

Recruiter reached out via LinkedIn. He was awesome, super informative, and easy to talk to. First and second interviews were phone interviews. The first was more behavioral related to work. The second the was also behavioral but more technical using an example about a valve inspection process and rectifying an issue. The third interview was on site, required a 30 minute presentation on a technical accomplishment to a board, and then 6 individual interviews lasting an hour each. Lunch was provided. The questions were easy, and the groups were not hard to talk to. I left feeling good about the interview. 2 days later I got a generic email that I didn't get the job with no explanation. No sweat off my back, I already have a job.