Order Listings Randomly

functions.php

function custom_orderby( $query_args ) {
	$query_args[ 'orderby' ] = 'title';
	$query_args[ 'order' ] = 'ASC';

	return $query_args;
}
add_filter( 'job_manager_get_listings_args', 'custom_orderby', 99 );

function custom_orderby_cache( $query_args ) {
	$query_args[ 'cache-bust' ] = time();

	return $query_args;
}
add_filter( 'get_job_listings_query_args', 'custom_orderby_cache', 99 );