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. Must be capable of attaining an L security clearance• Ability to safely wear a respirator, climb ladders, enter confined spaces, lift heavy objects and perform other physically demanding tasks Safely and skillfully use all types of related hand and power tools.