workshop manager concrete plant,maintenance foreman concrete plant,traila driver,htv driver,grader operator,heavy equipment ac technician,workshop manager,concrete pump operator,mechanic overhaling,loader operator,electrician,shawl operator,excavator operator,electrician he,dumper truck driver,maintenance foreman,jcb operator,denter,bulldozer operator,painter,driver,welder,mechanic diesel,mobile crane operator,asphalt paver operator jobs in Jeddah Technical Trade Center