Utilize and work with maintenance trades and components such as electrical, welding, pipefitting, fabrication, gearbox and bearing maintenance, lubrication, pumps and piping systems, mechanical maintenance, hydraulic and pneumatic systems . What Will Put You Ahead: Experience performing maintenance trades such as welding, pipefitting, fabrication, rigging systems, gearbox and bearings, lubrication, pump and piping systems, or hydraulics and pneumatics .