I applied online. The process took 2 months. I interviewed at CSOSA (Washington, DC)
Interview
Local people will take a written test, and be invited back for a panel interview if you scored well on the test. Out of area will do both on same day. Panel interview is conducted by three supervisors. They will ask 5 to 10 questions about how you would handle certain situations.
Interview questions [1]
Question 1
How have you handled a difficult situation in the past?