Through college website, the boss will contact the college and book you for an interview where you have to attend at a designated time. Enter the door, greet current employees who are working downstairs. Head upstairs, say hi to the boss and he will ask you to make yourself at home, drink a cup of coffee from the vending machine. When he asks you to come into the interview room, and answer his interview questions. When he shows sign that he doesn't like your response, accept it and try to take his advice as he enjoys giving instant feedbacks.