I applied through college or university. The process took 2 weeks. I interviewed at MITRE (McLean, VA) in Dec 2011
Interview
Generally you are tested on your ability to solve problems in a high pressured situation. It is imperative that the interviewee remain calm and be attentive and speak with authority about subject matter they are challenged on.
Interview questions [1]
Question 1
Do a technical presentation on a topic no one in the room knows about. Be thorough in explaining the core concepts and by all means, showcase the depth of your knowledge.