I applied online. The process took 4 weeks. I interviewed at Lockheed Martin (Sunnyvale, CA) in Dec 2012
Interview
There is a lot of people and paper work for the process, back round checks including family, friends and neighbors also, work history checks, conviction and felony checks, drug test and so on.
Interview questions [1]
Question 1
Interview questions on the application, and for clearance
Life history, work, drugs and convictions