Difficult. Strictly technical. A 2-minute elevator pitch was then followed by 25-30 minutes of technical questions. They asked a lot about pressurized vessels. A brain teaser question was asked at the very end. Expect randomness. They want to see how you think.
Give an estimate for the thermal conductivity of salmon.
The following metrics were computed from 5 interview experiences for the SpaceX Thermal Engineer role in United States.
SpaceX's interview process for their Thermal Engineer roles in the United States is extremely selective, failing the vast majority of engineers.
Candidates reported having good feelings for SpaceX's Thermal Engineer interview process in United States.