What's it like being a Greater Anglia dispatcher at a busy station?

We follow dispatcher Calum at the busy Shenfield station in Essex, the junction of the Great Eastern Mainline and lines towards Southend and terminus of the Elizabeth line. He talks about the vital role of a dispatcher, what different lights you may see being displayed mean and where to stand to avoid delaying a train's departure. Find out our current open vacancies across Greater Anglia here: https://careers.greateranglia.co.uk/v...