Derby-based train manufacturer has officially signed the £1 billion contract to provide 65 new trains for the new Crossrail line in London.
The new deal has secured the future of around 760 jobs, and means the creation of 244 new positions at the new depot.
Transport Secretary Patrick McLoughlin said welcomed the official sealing of the deal.
Derby has a deserved reputation for quality train building and I am delighted Bombardier can write the latest chapter in this success story.
The deal is a win for the employees of Bombardier and British manufacturing, supporting 760 new jobs and 80 apprenticeships.
For commuters it will mean new state-of-the-art trains that deliver quicker and more comfortable journeys and boost capacity across the capital.
More top news
Steve McClaren says he's "very disappointed" by Derby County's decision to terminate his contract.
Chance of an isolated light shower affecting Lincolnshire early evening, though most places will stay dry with some late sunshine.
Derby County fans have been tweeting their reaction to the news that Steve McClaren has been sacked from his position as head coach.