RAILTRACK TECHNICAL director Richard Middleton is to leave the track operator when it is taken over by Network Rail in September.
Middleton's contract will not be renewed, but he will see out his contract, which ends next month. He is responsible for maintenance and renewals procurement.
He will be replaced by Bechtel rail projects director Peter Henderson, who has a masters degree in engineering business management.
Network Rail has also confirmed that Railtrack chief executive and civil engineer John Armitt will become chief executive of the new track operator following the takeover. Fellow engineer Iain Coucher will become deputy chief executive.
Last week's announcement confirmed Network Rail's intention to work as an engineering led organisation.
Chris Leah, with over 30 years in the railways, will become compliance director with responsibility for safety.
Ian McAllister, former chairman of Ford Britain, will be chairman, with Adrian Montague as deputy.
Other non executive directors include Ross Sayers, former head of New Zealand railways, Sir Robert Smith, Jim Cornell, 36 years with British Rail, and Chuck Hoppe, a former vice president at United States Railway Association.