No local health agency shall appoint or employ any person as health officer, public health laboratory technician, sanitary inspector, veterinary meat inspector or plumbing inspector nor appoint or employ any person to do work ordinarily performed by a health officer, public health laboratory technician or an inspector of any of the classes named who is not the holder of a current license or certificate issued by the State Department of Health authorizing the performance of such type and class of work.
N.J.S. § 26:3A2-15