I applied online.
Phone screening: Recruiter was 10 minutes late and apologized. Was asked what I know about SpaceX along with some simple technical questions. Concluded with the recruiter telling me my score along with the average score.
Normal cantilever beam question: force on one end, where does the beam break?
It then expanded off of that into:
The following metrics were computed from 158 interview experiences for the SpaceX Mechanical Engineer role.
SpaceX's interview process for their Mechanical Engineer roles is extremely selective, failing the vast majority of engineers.
Candidates reported having very good feelings for SpaceX's Mechanical Engineer interview process.