1. Trouble shooting of PLC controls and automation system 2. Perform diagnostics on Control wiring and Communication networks 3. Installation, Calibration, Program to Maintain the PLC system 4.Documentation for all work performed and control sequences. 5. Knowledge of DDC System, PLC, SCADA(SIEMENS,JOHNSON CONTROLS,HONEYWELL AND TRANE) 6. Knowledge of any PLC programming (Ladder, Functional block diagram and structure tests) with various communication.