First interview is a 30 minute phone interview with the recruiter. Second interview is on site with a supervisor of the department you're interviewing for. If you've applied to more than one position let your recruiter know. In my case this ended up with me doing one interview with a supervisor from each department. Expect this to take 30 minutes to an hour. I received an offer the following morning. Make sure to take multiple copies of your resume with you. Be prepared to ask questions. They really liked 'for someone who is successful in this role is there anything I should know about it that we haven't discussed?' This is a star format interview. Look this up if you've never done this before.