If tour online test result was adequate, you will be invited to an interview. Science and engineering candidates will have a face-to-face technical interview while other candidates will have a competency-based telephone interview
The technical interview will assess how much you know about your chosen field. You will also be asked about your CV. It should last around 45 minutes.
The competency-based interview will last 30-40 minutes, and will require you to give specific examples of where you have demonstrated a particular skill in the past.