Survey Project Manager (Parma Heights, Ohio). Neff & Associates - Since 1939. IMMEDIATE OPENING – Professional Land Surveyor, P.S. Years of Experience. 5 years minimum within the State of Ohio. Description. We are expanding our Survey Department and are looking for qualified Surveyors. Skills Required. Applicant should be a S.I. working towards an Ohio P.S. license or currently a licensed Ohio P.S. Duties include the preparation of Boundary surve...