Thanks for your question. Unfortunately, there isn’t a functioning for that by default, but you could use ‘jb-location’ and ‘jb-location-preferred’ metadata for getting displayed jobs by your own shortcode.
We will take a look into adding this feature to our to-do list.
Since you insert the valid GoogleMaps API key into this field you get the additional functionality for Job Location field on the Post Job page. Also you will get the autocomplete location search in the location search line on the Jobs page.