In the Los Angeles facility, it's not really so much of an interview as a "processing." Basically, if you are invited to interview, you will receive an offer. After applying online, I was asked to complete a background check (also completed online) and to complete a drug test at a 3rd party facility. "Interview" date and time were set by USPS (applicants have no way of changing it). On the notification email, it stated that the process might take up to 7 hours. DAY 1 - I arrived at the facility at 7:30am, stood in a couple of lines with the other candidates and was finally lead into a holding space where we completed more forms as a group. Applicants who had been fired from a previous job or had a criminal record were asked to complete a statement and were interviewed separately by the HR representative. Applicants who have interviews for permanent positions with the USPS or who are currently working for other federal agencies (e.g. the TSA) were not eligible for this position and were dismissed. - The rest of us were "interviewed" in groups of 3-5 by supervisors. In my case, we weren't asked any actual questions. The interviewer just talked about the importance of showing up on time and following directions. - We were instructed to complete another copy of the application with our complete job history, as well as additional forms, and to return to the facility the following day to receive our formal offers. We were dismissed around 12:30pm. DAY 2 - We returned to the facility at 7:30am. Completed more forms, was finger-printed, and finally received our work assignments. The HR staff then reviewed each application to make sure it was correctly filled out (there was roughly 100+ applicants). Those that arrived first were processed first and had first choice of assignments. They were done by noon. Those that arrived later did not finish until almost 5pm. There was A LOT of waiting around and very little communication from the HR staff in charge of the process. The paperwork that you're filling out is largely redundant. (If only the organization had some sort of expertise in processing huge volumes of data ... wait a second ...)