All Network Rail interviews are strictly competency based. You will be asked for the following:
1) Brief overview of CV and how your experience / desires fit the role
2) Clear examples of how you have demonstrated some of the company leadership capabilities (normally 6). These are the standard corporate style capabilities... e..g. communicating; influencing; innovating; delivering; building teams; analysing; information searching
3) A small number of technical questions relating to the specific role