More than 200 people have already been recruited to work at the site in Wilmington Drive, which has been revamped to include a new café and flexible workspaces.
It also includes “relax and refuel” areas and a games area, with table tennis and pool tables and games consoles.
A spokesman said: “The state-of-the-art building is one of the first of BT’s future-fit offices in the UK to open as part of its ‘Better Workplace Programme’ – the largest workplace improvement and consolidation scheme of its type ever undertaken in the UK.”
Nick Lane, managing director for consumer customer services at BT, said: “We’re really pleased to be creating new, permanent job opportunities in Doncaster, a town which has suffered economically due to the Covid-19 pandemic like many others across the country.
“We have a number of posts we need to fill and I would encourage anyone who may be…