There were multiple interviews over the phone.
The first one consisted of behavioral questions, and the following ones had many challenging engineering application questions. You had to use the equations and concepts learned in school to solve and break down the questions asked.
To recite the thrust equation.
The following metrics were computed from 146 interview experiences for the SpaceX Mechanical Engineer role in United States.
SpaceX's interview process for their Mechanical Engineer roles in the United States is extremely selective, failing the vast majority of engineers.
Candidates reported having very good feelings for SpaceX's Mechanical Engineer interview process in United States.