job-count-jobs.php

add_shortcode('job_count_jobs','job_count_jobs');

function job_count_jobs() {
    $count_jobs = wp_count_posts( $post_type = 'job_listing' );
    $html = '';
    if ( $count_jobs ) {
        $count_jobs->publish;
        $html .= '<h2>';
        $html .= $count_jobs->publish; 
        $html .= esc_attr__( ' "TOTAL JOBS', 'jobster' );
        $html .= '</h2>';
        return $html;
    }
}