1. Complete all applicable sections of the online application. Use detailed examples from your experiences to provide evidence of the skill sets and qualifications you possess.Find resources and information on applying for job openings in Allegheny County, including disability accommodations, rehires, and application FAQs. Upload your resume in . You can type directly into the Cover Letter and. You may attach a résumé, but all questions must be answered. "Employer". Position applying for.