Login to Joomla back-end and browse to JoomBri Careers → Configuration → Subscription Plans.
JoomBri Careers comes with built-in subscription plans for frontend Employers. This page lets admins create any number of membership Plans, edit and delete them.
You can also re-order, publish/unpublish plans from this page. To edit plans, click on the Plan name and it will take you to the plan edit page.