I applied through a recruiter. The process took 2 weeks. I interviewed at Business Knowledge Services (Draper, UT)
Interview
BKS will get you in the door for an interview.
The interview is with a hiring manager who knows what they're looking for.
They're looking for a combination of Linux and Windows skills.
Interview questions [1]
Question 1
The most difficult questions will be about Linux. You should know how to navigate a bash prompt on any linux machine. They will ask about commands like ls, cp, mkdir, etc.