add_filter( 'submit_resume_form_save_resume_data', 'custom_submit_resume_form_save_resume_data', 10, 5 );

function custom_submit_resume_form_save_resume_data( $data, $post_title, $post_content, $status, $values ) {

	$term = get_term( $values['resume_fields']['resume_category'][0], 'resume_category' );
	$data['post_name'] = sanitize_title( $term->name );

	// This line appends the location of the user
	$data['post_name'] .= '-' . sanitize_title( $values['resume_fields']['candidate_location'] );

	return $data;
}