LONDON (Reuters) - British defence company BAE Systems (>> BAE Systems plc) has won a contract worth nearly 300 million pounds ($425.10 million) to provide in-service support to the Royal Air Force's fleet of fast jet training aircraft, the Ministry of Defence said on Monday.

The five-year contract will include design advice and modification on the 'Hawk' aircraft, and will safeguard around 675 jobs at BAE and maintenance partner Babcock International (>> Babcock International Group PLC), the ministry said.

Separately, Rolls-Royce (>> Rolls-Royce Holding PLC) was awarded a 79 million pound contract to provide support and maintenance for the Hawk aircraft's engines, the ministry said.

(Reporting by William James; editing by Jason Neely)