If this new hire doesn't shape up, she's going to lose that brand-new job . Imagine fumbling the ball that badly! They say you get one chance to make a first impression, and there are few times in life when that's more important than your first weeks at a new gig. If a company has just hired you, you should probably be acting happy to be there, ready to learn, and eager to get to know how the team operates. You're learning where you fit into the bigger picture of the company. During this period…