How to introduce yourself in English at work
At work, cut the introduction to your name, your team and one line about what you will be doing, then stop. Hi, I am Dan from the support team; I joined this month and I will mainly handle the weekend tickets.
At work, cut the introduction to your name, your team and one line about what you will be doing, then stop. Hi, I am Dan from the support team; I joined this month and I will mainly handle the weekend tickets. is a complete introduction, and adding your history usually makes colleagues stop listening before the useful part arrives. If you are unsure of a process or a word, say so in one plain sentence rather than staying quiet, because a colleague cannot correct what you have not said.
Put the same introduction in writing once, because the first version most colleagues meet is a chat message rather than your voice. Three lines are enough: your name, your team, and one sentence about what you will handle first.