I was contacted by a first-tier recruiter who did basic, very low-level, weed-out questions. From there I was deferred to a technical contact who was not associated with the location nor team I was interviewing for to face a second-tier of questions to guarantee technical prowess. The third tier interview was with multiple people over the phone with even more direct technical questions. All of the question were very directly-focused on particular tasks/commands (what flag would do this function in this program), etc. The third tier interviews were very complimentary and gave good feedback, explaining the next tier of interviewing and suggesting I'd be contacted for that. I did not hear any further. After a week I contacted the recruiter to verify if I was still being considered (I was not sure if I'd just been "lost in the shuffle") and was advised I am no longer being considered.