Yanga dominated their domestic league last season, but their continental campaign was a major disappointment as they were bundled out in the preliminary rounds.
The coach noted that the professional environment at the club was a major selling point.
"Very professional setup that is very encouraging for me," Mngqithi added.
"And it’s something that I’ve always been looking forward to, to be back in the Champions League and see how far I can take East of Africa in the Champions League."