Troubleshoot and repair Honeywell ControlEdge And Allen-Bradley PLC system problems i.e. ability to clear rack faults , remove and install I/O cards, identify a faulty card/blown output fuses, troubleshoot a ladder logic, program a ladder logic, change descriptors, edit a rung and add a bridge, force a bit, toggle a bit, identify a PLC address. Obtain a good working knowledge of unit operations; all the systems in the refinery and their purpose, BOHO, Steam Turbine Generator, wastewater, logistics, extensive involvement in maintaining operations of the CHP extensive involvement in maintaining operations of the CE and B&W burner operations.