function emodal_jobs_check( $hook ) {
    if ('post-new.php' != $hook && 'edit.php' != $hook ) {
        return;
    }
    wp_enqueue_script('emodal-jobs-js', '/wp-content/themes/murdockmartell-child/js/emodal-jobs.js');
}
add_action('admin_enqueue_scripts', 'emodal_jobs_check');