Being an introvert ain’t going to get you that job or get you that “you’re hired” statement.
Socializing with new persons causes you insecurities and drains the life out of you? Then focus first on improving your socializing skills rather than looking for a job. Being silent ain’t gonna win you a promotion — it won’t let you win that job, either. Socializing isn’t your problem? That’s good! But don’t go too far! Socializing with your bosses and colleagues isn’t the same like you do with your friends. Be wary of the gap and comfort zone! Don’t overextend!