Customizr show CPT description in archive

Hi Customizr Pros,

I want the CPT ‘joboffer’ showing up on an archive page which should be located under https://domain.com/careers/joboffers
Therefore I have created a CPT joboffer with ‘has archive’ and a ‘Custom Rewrite Slug’ careers/joboffers.
Only challenge I have is that I would like to show the CPT description after the title via functions.php of my child theme as I need to avoid creating custom templates.
So I started with something like this but struggling on the right function. Is this possible at all? If yes any help much appreciated.

if ( is_post_type_archive( 'joboffer' ) ) {
add_action( '__before_loop', 'display_archive_meta', 0);
}
function display_archive_meta(){
...