I applied through college or university. The process took 4 weeks. I interviewed at SpaceX in Nov 2014
Interview
Call from recruiter re scheduling and which teams I wanted to interview with. 1 phone interview with each. A second and final phone interview with power. Was offered a job within a couple days after that. Interviewers were on time and fairly easy to schedule with. Left plenty of time to ask questions at the end.
Interview questions [1]
Question 1
A lot about my own projects. Some questions that were mostly formalities due to the more-complex nature of my projects: basic questions about converters topologies, control loops, duty cycles.
I applied online. The process took 2 weeks. I interviewed at SpaceX (Hawthorne, CA) in Mar 2015
Interview
I applied online, and then talked to a recruiter at a career fair. About two weeks later, I got a phone call from an HR manager, who set me up with a phone interview with a power electronics engineer. In that interview, I was asked technical questions relating to power electronics, control systems, EMI testing, and especially the engineering experiences I listed in my resume. There were no "personality" questions, except "what does SpaceX do" and "why do you want to work at SpaceX". I was only able to answer about half the questions.
I was contacted the day after the interview for a second phone interview, with a different power electronics person. This time, the questions were very in depth about the specifics of my projects. How exactly my constant current regulator worked, etc. This time, I was able to answer very well. He also asked if I had any PCB layout experience - which I have.
I received my offer soon after the second interview.
Interview questions [1]
Question 1
"What are the two sources of losses in MOSFETS, and why do those losses happen?" "How would you test your circuitboard to see if it produces too much EMI?" "what are some different kinds of switching power converters?" "describe how [thing] you designed works" (last one especially)
