> I really underestimate the amount of stress that can be felt when you're alone facing 6 people for a job that you want.
Practice. Go on interviews even when you don't need a job. Get that practice in and get comfortable with it. I went on 18 - 30 interviews a year for many years when I was a contractor and got very good at interviewing over time. I still get a bit tense when the job is particularly appealing, but with practice it gets to the point where they'll rarely throw a question at you that you don't know how to handle.
Practice. Go on interviews even when you don't need a job. Get that practice in and get comfortable with it. I went on 18 - 30 interviews a year for many years when I was a contractor and got very good at interviewing over time. I still get a bit tense when the job is particularly appealing, but with practice it gets to the point where they'll rarely throw a question at you that you don't know how to handle.