Phone Interview #1: Spoke with HR rep and discussed my resume in great detail and discussed extra curricular activities not listed on my resume. Phone Interview #2: Spoke with hiring manager and 2 lead engineers. Discussed my resume in great detail and in a highly technical manner. Discussed previous RnD work/experience. They asked some thermal/fluids questions. In-person interview #1: Met with hiring manager and lead engineers. 15-20 minute presentation on previous RnD work from graduate school. Discussed my presentation and the work that I did for an additional 20-30 minutes. They asked some more in depth thermal/fluid, propulsion and theoretical engineering questions. In-person interview #2: Met with a few more lead engineers. 15-20 minute presentation on previous RnD work from graduate school. Discussed my presentation and the work that I did for an additional 20-30 minutes. They asked some more in depth thermal/fluid, propulsion and theoretical engineering questions. In-person interview #3: Met with site director and discussed SpaceX, my potential with the company and why I would be a good fit there. Discussed some parts of my resume as well. In-person interview #4: Met with HR rep and went over potential benefits packages and what the next steps would be if I were to get a job offer.