I applied online. The process took 4 days. I interviewed at Systems Planning and Analysis, Inc. (Alexandria, VA) in Jan 2013
Interview
It varies by division, but from my experience you will interview with HR, followed by ~6 separate interviews ending with your Group/Division Leader, then you'll meet up with HR again.
Interview questions [1]
Question 1
Annie has a probability (p) of beating Hunter if Annie had not won the previous round, and a probability of (q) if Annie had won the previous round. How would you determine what percentage of games Annie wins on average?