foreach my $row ($te->rows) {
         
    $tracking_code = $ { $row }[0];
    $job_title     = $ { $row }[1];
    $location      = $ { $row }[2];
    $date_posted   = $ { $row }[3];

    if( exists $job_categories{ $job_title } ) {
        $department = $job_categories{ $job_title };
    }
    else {
        print "no match";
    }
}