Learn how to write effective resumes and cover letters, view sample resumes and cover letters, and get tips for completing job applications. Selecting Documents for your Application.In your application, include both a resume and cover letter. Hundreds of USPS jobs available in Queens and Long Island. USPS is hosting multiple jobs fairs in the area to assist in the application process. Paragraph 1: Introduce yourself and name the position you are applying for. Your email can make or break your job application. Here we explain the process for writing an effective email for a job application. Apply to Mailroom Clerk, Data Entry Clerk, Associate and more! QUEENS, NEW YORK — The Postal Service is looking for committed individuals to fill immediate openings.