I applied online. The process took 1 week. I interviewed at BT Group (Manchester, England) in Jan 2021
Interview
Nice simple interview where it was a full day of questions asked and then a one to one interview which was the final interview where they discussed your cv and why you wanted to be there
Quite long, three stages . Detailed market knowledge required and a capability evaluation plus testing.. friendly though with can do type positive attitudes throughout. Helped to have worked in a similar sector and geo