In an 8-hour day, must be able to continually bend, squat, kneel, lift, twist, climb, reach, stand and walk; to use hands for repetitive pushing, pulling, and single grasp motion; and to frequently lift and carry objects weighing up to 50 pounds and to move objects in excess of 100 pounds, and travel by government or company vehicle to work location or to other destinations as required. Responsible for operation, replacement, repair, and maintenance of building related mechanical, electrical, control systems, plumbing, air handling units, pumps, heat exchangers, expansion joints, and other building mechanical systems.