Recruiters were at my schools career fair and I applied for an interview through them. The first interview was a single 45 min behavioral interview. After that I received an email inviting me to an on-site interview at their headquarters in Tulsa. They put me in a hotel the night before. In The morning, I met up with my day-guide for breakfast. He was kind of like a greeter but for the whole day. There was a total of four 45 min behavioral interviews throughout the day. We did some additional things like go over benefits, tour the data center, and went to a nice lunch. I loved everyone I met there, and they were all very encouraging. The only negative of the process, was that some of the interview questions became redundant.