Exclude Current Post from WP_Query

functions.php

<?php
$args = array (
    'post_type'              => array( 'jobs' ),
    'nopaging'               => false,
    'posts_per_page'         => '5',
    'ignore_sticky_posts'    => false,
    'post__not_in'           => array(get_the_ID())
);

$query = new WP_Query( $args );

if ( $query->have_posts() ) : 
    while ( $query->have_posts() ) : $query->the_post();
        // HTML template
    endwhile;
endif; 

wp_reset_postdata();