We'll create fresh WordPress site with WP Job Manager Client-Side Geocoder installed. You have 20 minutes to test the plugin after that site we'll be deleted.
WP Job Manager Client-Side Geocoder plugin bypass the geocoder function ( server side ) provided by WP Job Manager plugin and instead uses client-side geocoding system.
By doing so the plugin should overcome the OVER_QUERY_LIMIT issue which you might have been experiencing.