I applied in-person. I interviewed at US Postal Service (Wilkes-Barre, PA)
Interview
Jobs are posted on USAJobs or in the local paper. Resume is vital to getting an interview, ensure you detail the exact experience requested in the advertisement or you will not make it to the selection committee.
The interview will be a mix of technical questions regarding your experience, and situational questions. Teamwork is a large part of the culture, so questions regarding how you work with others are common, I had two such questions.
Interview questions [1]
Question 1
They still throw out chestnuts like: what is your biggest weakness, so to prepare you might want to do a quick search for outdated generic questions and think about them a few minutes.