Performs physically demanding skilled labor installing, relocating, replacing, repairing and maintaining gravity sewer lines, force mains, manholes, service connections, water mains, fire hydrants, gate valves and other related appurtenances associated with water and wastewater systems in the field. Tasks involve the intermittent performance of physically demanding work, typically involving some combination of reaching, bending, stooping, kneeling or crouching, and may involve the lifting, carrying, pushing and/or pulling of moderately heavy objects and materials (20?50 pounds).