Elon Musk Puts Potential SpaceX Hires Through a Grueling Interviewing Process One Former Employee Calls a ‘Gauntlet’ Posted by December 5, 2017 Leave a comment on Elon Musk Puts Potential SpaceX Hires Through a Grueling Interviewing Process One Former Employee Calls a ‘Gauntlet’ The grueling culture begins even earlier than on the first day of work, according to a former SpaceX employee.