Wordpress: Query all content types except the currently viewed one
<?php
$this_post = $post->ID;
$args = array( 'post_type' => 'career', 'post__not_in' => array($this_post), 'posts_per_page' => 3 );
$loop = new WP_Query( $args );
while ( $loop->have_posts() ) : $loop->the_post();
the_title();
echo '<div class="entry-content">';
the_excerpt();
echo '</div>';
endwhile; ?>