I applied through an employee referral. The process took 3 months. I interviewed at CDW in Aug 2014
Interview
Phone interview first (with HR, and hiring manager) then interview in person with 4 different people. Not too easy, not too difficult, no tricky qustions, everyone was very nice and friendly, showing interest in what I was talking about.
Interview questions [1]
Question 1
Why you want to work for CDW ? Why are you interested in this positions?