I applied in-person. The process took 1 day. I interviewed at Digicon (VA) (Washington, DC) in Dec 2011
Interview
Bring your personality with you. Exhibit enthusiasm for the job you are applying to work in. Be prepared to answer very technical questions about techniques and methods of accomplishing specific tasks as described in the posting. Polish your shoes.
Interview questions [1]
Question 1
The interviewer will be an expert in the field you are applying for a job in. Be prepared for a one hour plus interview requiring answers to specific details regarding how you would accomplish a technical task. Know what you are talking about. Don't over-promote yourself, it will be discovered.