I applied in-person. The process took 5 months. I interviewed at US Marine Corps (Camp Lejeune, NC) in Aug 2015
Interview
The interview involved the Officer in Charge, assistant Officer in Charge, the Staff Non Commissioned Officer in Charge, Operations Chief, and Operations Officer. The panel assembled already received qualification package and had an opportunity to study skills and accomplishments. The job required a vast experience of maintenance and supply operations.
Interview questions [1]
Question 1
What I would do if a civilian employee had an issue with the team leader. The civilian is a GS-12 and the team leader is a GySgt.