Job Posting Missing Field

Hello @bkhbger

Thank you for contacting the support.

We have added only the required fields in most of the Schema Markups, so, Google’s tool does not throw an error.

If you want to extend the markup, please check the following filters:
https://rankmath.com/kb/filters-hooks-api-developer/#richsnippets

Here’s an example code which we provided to one of the users who wanted to extend their Schema Markup:
https://support.rankmath.com/ticket/collect-attribute-using-json-ld/#post-9323

Hope that helps.