BUSINESS FUNCTION: Engineering GRADE: TPO SALARY: £24,781 per annum ROLE TYPE: Onsite HOURS: 35 per week. Hours are 19:30 - 05:30, on a rolling roster. 5 shifts on, for example 4 shifts off and 4 shifts on, 5 shifts off. While most of the North is asleep, our trains are getting ready for a new day.