Include all education, employment, volunteer and military experience. Please fill out the form below and click Submit to submit your application for consideration.Take a look at our careers portal to see current openings. Or fill out the form below to reach one of our recruitment specialists. Edit, sign, and share Employment Application - Allegheny County, PA - alleghenycounty online. Your cover letter will be the first document that a potential employer will see. It sets the stage for the reader to review your resume. Review of applications will begin immediately and will continue until the position is filled. SAMPLE COVER LETTER – Allegheny County Housing Authority. In this role you will serve as the assistant to the District Manager.