It is very important to you as soon as possible were able to understand what the rules of communication (formal and informal), adopted in this particular team. Remember, they may be quite different than those to which you have become accustomed to in a previous job!
Remarkably, if you find yourself in a friendly team of like-minded people, where not in honor of intrigue, jealousy, all the "coalition" and "podsidki." But this is, unfortunately, not always and not everywhere. In most cases, especially if the team is large enough, it is divided into different groups, secretly competing with each other for influence over the management. So try, at least in the first period of his work in a new place, to calculate these groups and adjacent open any of them, as if to keep their distance. All, without exception, try to speak polite, calm, even voice, without servility and familiarity.
Do not show conspicuous disregard for accepted orders, rules, even if they seem strange to you, and even frankly ridiculous. This will almost certainly antagonized even those who are well disposed to you.
Relations with the leadership of the new place of work - a special and very important question! Suppose you are very valuable, highly skilled, specialist, and that's why you willingly accepted the service. But for the same reason many of your current co-workers can see in you a dangerous rival. Therefore, even if the boss will appreciate your talent and hard work, do not tell at every turn! Not all are able to sincerely from the heart, happy alien success. Alas, sad saying: "the king complain, but does not like the huntsman! "Relevant in our day.