Physical Demands of Position Seeing, color perception, hearing, listening, clear speech, dexterity in hands, driving, lifting, climbing, ability to mount and dismount equipment, pushing, and pulling, warm and cold temperature conditions, sun exposure, moisture, potential exposure to hazardous materials and electrical voltages. Near project completion, as the equipment is ready to have its control schemes functionally tested and the equipment energized, commissioning engineer will likely be required to work extended hours/days in a row at a particular job site.