Custom Wordpress XML Feed help

I need some help with a custom XML feed i need to work.

I need the feed below to only pull jobs which are tagged "careerbuilder". and then only show 120 of those posts.

At the moment, I have zero posts tagged with "careerbuilder" but it's still pulling 120 other posts.  How can i fix the code below, so that only posts tagged careerbuiler show up?.   the xml feed is found here

 * Template Name: Custom CareerBuilder RSS Template - cretefeed
$postCount = 120; // The number of posts to show in the feed
$posts = query_posts('showposts=' . $postCount, 'tag=careerbuilder');
header('Content-Type: '.feed_content_type('rss-http').'; charset='.get_option('blog_charset'), true);
echo '<?xml version="1.0" encoding="'.get_option('blog_charset').'"?'.'>';
<rss version="2.0"
        <?php do_action('rss2_ns'); ?>>
        <title><?php bloginfo_rss('name'); ?> - Feed</title>
        <atom:link href="<?php self_link(); ?>" rel="self" type="application/rss+xml" />
        <link><?php get_permalink(); ?></link>
        <description><?php bloginfo_rss('description') ?></description>
        <lastBuildDate><?php echo mysql2date('D, d M Y H:i:s +0000', get_lastpostmodified('GMT'), false); ?></lastBuildDate>
        <language><?php echo get_option('rss_language'); ?></language>
        <sy:updatePeriod><?php echo apply_filters( 'rss_update_period', 'hourly' ); ?></sy:updatePeriod>
        <sy:updateFrequency><?php echo apply_filters( 'rss_update_frequency', '1' ); ?></sy:updateFrequency>
        <?php do_action('rss2_head'); ?>
        <?php while(have_posts()) : the_post(); ?>
					<title><?php the_title_rss(); ?></title>
					<date><?php echo mysql2date('D, d M Y H:i:s +0000', get_post_time('Y-m-d H:i:s', true), false); ?></date>
					<referencenumber><?php the_id(); ?></referencenumber>
					<url><?php the_permalink_rss(); ?>&#63;utm_source=Crete_CareerBuilderJobPost</url>
					<company><![CDATA[Crete Carrier]]></company>
					<city><![CDATA[<?php the_field('city'); ?>]]></city>
					<state><![CDATA[<?php the_field('state'); ?>]]></state>
<?php if (get_option('rss_use_excerpt')) : ?>
							<description><![CDATA[<?php the_excerpt() ?>]]></description>
							<applylink><?php echo (''); ?></applylink>
							<?php else : ?>
								<description><![CDATA[<?php the_excerpt() ?>]]></description>
								<applylink><?php echo (''); ?></applylink>
							<?php if ( strlen( $post->post_content ) > 0 ) : ?>
								<content:encoded><![CDATA[<?php the_content() ?>]]></content:encoded>
							<?php else : ?>
								<content:encoded><![CDATA[<?php the_excerpt_rss() ?>]]></content:encoded>
							<?php endif; ?>
						<?php endif; ?>
					<salary><?php echo do_shortcode( get_post_meta( get_the_id(), 'salary', true ) ); ?></salary>
					<experience><?php echo do_shortcode( '[Qualifications]' ); ?></experience>
					<jobtype><![CDATA[<?php the_field('jobtype'); ?>]]></jobtype>
					<category><?php the_category( ' ' ); ?></category>
					<tags><?php the_tags( ' ' ); ?></tags>
					<?php rss_enclosure(); ?>
					<?php do_action('rss2_item'); ?>
        <?php endwhile; ?>

Open in new window

Jon ImmsWeb DeveloperAsked:
Who is Participating?

[Product update] Infrastructure Analysis Tool is now available with Business Accounts.Learn More

I wear a lot of hats...

"The solutions and answers provided on Experts Exchange have been extremely helpful to me over the last few years. I wear a lot of hats - Developer, Database Administrator, Help Desk, etc., so I know a lot of things but not a lot about one thing. Experts Exchange gives me answers from people who do know a lot about one thing, in a easy to use platform." -Todd S.

Try passing a single url string  (note that the comma changed to dot to concatenate the two strings AND an ampersand appears to the left of tag):
$posts = query_posts('showposts=' . $postCount . '&tag=careerbuilder');

OR pass an associative array:
$posts = query_posts('showposts' => $postCount, 'tag' => 'careerbuilder');

Experts Exchange Solution brought to you by

Your issues matter to us.

Facing a tech roadblock? Get the help and guidance you need from experienced professionals who care. Ask your question anytime, anywhere, with no hassle.

Start your 7-day free trial
It's more than this solution.Get answers and train to solve all your tech problems - anytime, anywhere.Try it for free Edge Out The Competitionfor your dream job with proven skills and certifications.Get started today Stand Outas the employee with proven skills.Start learning today for free Move Your Career Forwardwith certification training in the latest technologies.Start your trial today

From novice to tech pro — start learning today.