It depends on where you are based and the exact job title
A "non-train depot manager" can typically be between £20K - £25K (responsible for all the drivers and staff at that depot, but not the rolling stock)
A similar head office role would be between £25K and £45K
The "operations manager" can typically be between £45K and £75K (responsible for all depots, staff, rolling stock, and day to day operations)
As mentioned above, the role is typically office hours only
However, many of the field roles will require standby duty for a which an allowance is received