Submitted application, resume, cover letter, and official transcripts. This was combined with academic performance in undergraduate and graduate studies to create a holistic representation of skills. No interview was required for this position. Was notified of position offer via email. Training started 3 weeks later.

Very Casual usually works if you have had a few classes with the Professor. Honestly there really was no interview I just recommend taking a few classes and be passionate about the subject your Professor teaches.