Job Description: Ensure operation of machinery and mechanical equipment by completing preventive maintenance requirements on: motors, pneumatic tools, hydraulic systems, conveyor systems, and production machines; following diagrams, sketches, operations manuals, manufacturer''s instructions, and engineering specifications; troubleshooting malfunctions. Locate sources of problems by observing mechanical devices in operation; listening for problems; using precision measuring and testing instruments such as laser alignment tools, stethoscope, tachometer, infrared camera, ultra-sound and vibration analysis tools.