When working in the field, must possess the strength, stamina, and mobility to perform medium to heavy physical work; to sit, stand, and walk on level, uneven, or slippery surfaces; frequently reach, twist, turn, kneel, bend, stoop, squat, crouch, grasp, and make repetitive hand movement in the performance of daily duties; to climb and descend ladders; to operate various equipment and tools; to operate a motor vehicle and visit various District sites; and vision to locate utilities and read printed materials. The Position: Under general direction, supervises, plans, directs, and oversees the staff responsible for the installation/replacement, construction, repair, and maintenance of District potable and recycled water pipelines, sewers, including vault rehabs, dam repairs and other distribution systems infrastructure and related facilities; supervises the operation of a variety of equipment, tools, and vehicles; and performs related duties as assigned.