Career Opportunities. Educator Certification. Substitutes. Recognition.Please fill out the form below and click Submit to submit your application for consideration. Thank you for your interest in applying at Allegheny County. The following information will assist you through the application process. Frontline Recruiting and Hiring, Applicant Tracking for Educators. The cover letter will follow once you've identified an opportunity for which to apply. Fill it out online, save it, and email it to your school counselor as an attachment. Please click here to complete the counselor letter of recommendation form. Hopefully, you won't be asking your high school teachers to write you a letter of recommendation hours before the application deadline.