No interview needed. You get converted as a career employee after serving as a PSE for up to two years. Automatic conversion as you don’t really have a choice of it
US Postal Service interviews FAQs
Customer Care Agent applicants have rated the interview process at US Postal Service with 1 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 100% positive. To compare, the company-average is 67% positive. This is according to Glassdoor user ratings.
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