Much the same at BA.....(although not at the fortress Heathrow.....no taxying by Engineers there)
Medical , Radio proceedures training and must have CRS on type.Then a check out either on a sim or live aircraft by a training captain. Revalidation every 2 years.
Two taxi approved persons on Flt deck.......usually one to taxi and one to monitor and do the radios.
All that responsibility and what re-numeration I hear you ask ? ???
Put it this way........A TV licence costs more (UK)