There was a lot of EMT recruitment for Kettering/Corby wasn't there? The electrification is proceeding apace from Bedford.
Training is a lot of info to cram into 4 months of classroom. Induction, Intro to operations, Rules 1, Traction & Low speed handling, Rules 2, Route learning. Then the months of mainline handling.
Maybe a subject for another thread. If you progress to the next part of testing, I put some info here
https://www.railforums.co.uk/threads/west-midlands-railway.205327/#post-4649633 on prepping for OPC and interviews.