Thank you for your interest in applying at Allegheny County. The following information will assist you through the application process.When an offer is received, special atten- tion should be given to the preparation of your response letter. 1. Upon receipt of an offer, prompt acknowledgement. You can type directly into the Cover Letter and. Find resources and information on applying for job openings in Allegheny County, including disability accommodations, rehires, and application FAQs. Complete all fields regarding job basics, details, and preferences. Add schools on the left side of the page. Address the letter to candidates. A. Identifies the position for which you are applying and how you learned of it. b.