They generally start with the basic questions of tell me about yourself. Try to talk about being motivated and being passionate about learning new skills. Also, talk about having good hands on skills will tools but don't give too many examples yet. It might me useful to know that if you are over the age of 30 they may not hire you as it doesn't fit into the type of culture they have. Most if not all employees on this level aren't over the age of 30.