Atkins will provide engineering and delivery support services.
Design and construction support and technical approvals of designs submitted by third parties and main works contractors will also be provided during the contract period which currently runs until March 2009.
Atkins' rail solutions director Mark Cowlard said, "We are delighted to be able to support Network Rail on this time critical multifunctional project which involves a significant number of external stakeholders.”
To carry out the work, Atkins is providing a co-located team based near Liverpool Street and the Stratford area, and is drawing upon resources from a number of its offices around the country, including Croydon, Plymouth and Swindon.
The 2012 Programme is part of Network Rail’s comprehensive nationwide enhancements work which is delivering the new infrastructure and functionality needed for crucial capacity and capability improvements.