Perform preventive maintenance and repairs on vehicles, heavy equipment, and pipeline construction equipment, including diesel and gas engines, transmissions, differentials, air and hydraulic systems, electrical and computerized control systems, fuel, cooling, heating, suspension, brakes, tires, and exhaust systems. The Pipeline Mechanic / Construction Mechanic performs a variety of tasks related to the construction, maintenance, repair, and rebuilding of pipeline systems and company mechanized diesel and gas equipment.