I applied online. The process took 7 weeks. I interviewed at ICF (Columbia, MD) in Nov 2012
Interview
I applied online and got a long phone interview then all day interview on site 3 weeks later. 5 Interviews in total that day. A lot of emphasis was placed on my previous experience. Very professional people and interviews were great. Got an offer 3 weeks after the all day interview.
Interview questions [1]
Question 1
Questions on HVAC systems, lighting retrofit design