Job Responsibilities: Perform installation, maintenance, modification, refurbishment, cleaning, troubleshooting, repair, adjustment, calibration, verification, certification, checkout, and operation of various fixed or mobile systems to include, but are not limited to: mechanical, electromechanical, hydraulic, water, HVAC, pneumatic, and lubrication systems. Must have proven troubleshooting ability, using a systematic approach in the repair of mechanical, electromechanical, hydraulic, water, HVAC, pneumatic, diesel, heavy equipment, or lubrication systems.