Diana Yukari/Business InsiderThousands of workers will be heading to a new job this month, excited and nervous to prove they've got what it takes.
For all those newbs hanging their coats on a new office chair, that means it's time to get to work.
"The first three months of any new job are an extension of the interview process," says Amanda Augustine, career advice expert for TopResume. "From the first day, you need to be on your game."
Here's what the most successful people do that first week in a new job: