Thank you for your interest in applying at Allegheny County. The following information will assist you through the application process.If you would like the opportunity to have a job on campus, please review the Job Database and complete the job application. Apply for Administrative Assistant. Please fill out the form below and click Submit to submit your application for consideration. Once you complete the mandatory payroll forms, we will email you a Student Employment Form. Employment Application. Step 1 of 6 - Applicant Details. You can type directly into the Cover Letter and. Fill out the form below and upload your resume (optional) to apply for a position.