Performing maintenance or construction work, including estimating material and labor costs for a variety of construction or maintenance projects (such as construction or maintenance of brick, frame, structural steel, reinforced concrete, and other type structures ranging from one- or two-story buildings to larger structures), directing actual work operations, and maintaining appropriate contacts with the organization funding the project. Develops solutions to problems in repair and modification of operational and industrial technology (OIT) system (s) through Direct Digital Controls (DDC), pneumatic control systems and motor control systems utilizing knowledge, experience and training in the field of electronic, mechanical, dimensional, electrical, optical, modification, repair, preventive maintenance and installation.