support staff
noun[C,usually singular]
ukusHR,WORKPLACE
thepeoplewhoworkfor anorganizationtokeepitrunningand tosupportthepeoplewho areinvolvedin the organization'smainbusiness:
supportstaffsuch asadministrators,carpenters, andelectricians
Managers oftendependheavilyontheirsupportstaff.
Theofficehas more than 20agents,plussupportstaff.