ESSENTIAL TASKS: Performs installations, preventive maintenance, calibration and breakdown repairs on PAC's Physical Properties lines of analytical instruments used in the Refining, Petrochemical, and pharmaceutical industries either in major refineries, terminals, pipelines or independent laboratories. Install and operate test apparatus during test cycles to produce, regulate, and record effects of actual or simulated conditions such as flash point, distillation, cold properties, evaporative loss, viscosity, vibration as well as other physical properties testing.