They call you in and ask you some questions. There is also a peer interview on the phone and drug test that you must complete. It's relaxed; when you come in you usually get a tour of the facility. It's definitely helpful to have a reference.

Asked what you would do in certain situations! Very kind interviewer who was very respectful. Explain why you want the job and where you see yourself in the future. Pretty simple interview If you can answer what you would do in situations.