I applied online. The process took 2 months. I interviewed at Leidos (San Diego, CA) in Dec 2016
Interview
The process was efficient. I received an e-mail inviting me down for an in-person interview with some of the department people, who were all very pleasant, professional and welcoming. Nice conversations and I would have loved to get the job, but it didn't work out. Either way, it was a positive experience.