Job Opportunities We’re looking for friendly, part-time and full-time employees to staff our caves, shops, café and attractions. Here is your chance to become a member of the Natural Bridge Caverns family. Below is a listing of current positions available. We look forward to hearing from you. To learn more about working with the Natural Bridge Caverns family, please call (210) 651-6101. The primary duty of all Natural Bridge Caverns employees is guest relations. It is everyone’s responsibility toNatural Bridge Caverns, Inc.