To apply for a certificated position, you must hold, at a minimum, a bachelor's degree from a regionally accredited institution. Master the application format and learn how to write your application for teacher job in 5 steps.Letter of Intent: Describe qualifications for this position. The purpose of a cover letter is to introduce yourself and to demonstrate the fit between your background and the advertised position. Learn how to create an engaging Teaching Assistant cover letter, what details are important to include, and view an example. Create an Teacher Assistant cover letter that lands you the interview with our free examples and writing tips. Address to the individual named in the job posting, or with "Dear Members of the. Human Resources Services (HRS) recruits for these positions using EDJOIN to list job openings. Please allow three to five days after completing your UCOP application for the information to be synced to the Supplemental Application. Statement of Purpose.