You should use &&
instead of ||
.
Like:
if ( !is_page(array('my-resumes','resume-listings', 'submit-job', 'submit-resume', 'job-alerts', 'job-listings', 'my-jobs', 'my-bookmarks' ) )
&& !is_singular( array( 'job_listing', 'job' )) ) {
// disappear some stuff