I applied online.
There was a phone screening and then an in-person round. Met with a team lead. Went over resume then technical question. First round was 30 minutes, second round was 45 minutes.
The following metrics were computed from 5 interview experiences for the SpaceX Mechanical Engineer Intern role.
SpaceX's interview process for their Mechanical Engineer Intern roles is extremely selective, failing the vast majority of engineers.
Candidates reported having mixed feelings for SpaceX's Mechanical Engineer Intern interview process.