I attended in career fair at my university's campus. Dropped resume and recruiter called and set up a campus interview. Then, about a week later, I was invited to site interview at Duluth. The Interview process took about 4 hours. Meet the hiring manager, had an face to face interview with the team lead, and 2 other engineers in the group. Most question were very easy or average about C and Java language. Some question about networking program or multi threads.