Fax to 512-867-7438. Submit the completed application and payment in the form of a personal check, money order, or cashier's check with proof of eligibility.Welcome to Bexar County Job Opportunities​​ Please take a moment to look at our current openings. If you are interested, click on the "Apply" link! If a Waiver or an Answer has not been filed, you must fill out the Certificate of Last Known Address form and the. It is the most populous city in and the county seat of Bexar County.