Override Yoast SEO breadcrumb trail

functions.php

<?php
add_filter( 'wpseo_breadcrumb_links', 'override_yoast_breadcrumb_trail' );

function override_yoast_breadcrumb_trail( $links ) {
	if ( get_post_type() === 'employee' ) {
		$breadcrumb[] = array(
			'url'  => get_permalink( get_page_by_title( 'contact' )->ID ),
			'text' => __( 'Contact', 'your-text-domain' ),
		);

		array_splice( $links, 1, 1, $breadcrumb );
	}

	return $links;
}