hereThey say some of the security guards employed by the firm are paid only the minimum wage rate of £8.72 an hour, or lower for under-25s.The lowest rate for security staff employed directly by the NHS is £9.89 per hour.Taking into account overtime payments, Unison says most of the Tameside security staff are between £2-3k worse off per year, with one worker almost £6k out of pocket.Engie has now agreed to back-pay the security staff from April 2020 – a change from the earlier offer of October 2020.However this is four months after the pay claim being submitted by members, and UNISON says the main issue around shift patterns remains ‘completely unresolved’.A hospital security guard at Tameside Hospital, who did not want to be named, said:.