The interview process for me has been consistent, starting with open interviews, interview with regional recruiter, and interview with office you're applying for. In my most recent job application, I attended open interviews, and in the follow up 2 weeks later dismissed me as a candidate for no indicated reason.

First, screening interview. Once interested more, they fly you or pay for your travel to interview (they treat you well). Then, you have your interview and lunch. Then the day is over.