What does 了 mean in ...这份工作让我认识到了团队合作的重要? Is it a verb? A past tense maker? Which is its function of 了 in this sentence?


  曾在新西兰Burger King做过汉堡，当过收银员。这份工作让我认识到了团队合作的重要
"verb + 了" is used to emphasize the completion of the action.

So "认识到了" means "I have realized".