I applied through a recruiter. The process took 2 weeks.
Many rapid technical questions on basic concepts of fluid mechanics for around 30 minutes with a technical recruiter. The process was short and easy, be prepared to talk about your experience in depth.
The following metrics were computed from 46 interview experiences for the SpaceX Test Engineer role.
SpaceX's interview process for their Test Engineer roles is extremely selective, failing the vast majority of engineers.
Candidates reported having very good feelings for SpaceX's Test Engineer interview process.