Troubleshoot and maintain PLC, HMI and SCADA systems.
Diagnose PLC input/output, communication and programming-related faults.
Troubleshoot field instruments such as:
Flow meters
Level transmitters
Pressure transmitters
pH sensors
ORP sensors
Conductivity/TDS sensors
DO sensors
Turbidity sensors
Control valves
Motorized valves
Limit switches
Check and troubleshoot DI/DO/AI/AO signals.
Troubleshoot PLC panels, control panels, relays, contactors, SMPS and signal isolators.
Identify and rectify PLC communication faults between PLC, HMI, SCADA, VFDs and field instruments.
Perform calibration and basic troubleshooting of instrumentation.
Monitor and maintain automatic sequences and interlocks of STP/ETP/WTP plants.
Understand and troubleshoot Auto/Manual operation logic.
Coordinate with electrical and mechanical teams during breakdowns.
Maintain instrumentation and automation records, calibration reports and breakdown reports.
Support preventive maintenance of PLC, SCADA and field instrumentation.
Assist in modification and improvement of PLC logic and plant automation.
Ensure minimum downtime of the automation system.
Preferred candidate profile 2 years of relevant experience in industrial automation, instrumentation, PLC/SCADA or water/wastewater treatment plants.
Candidates with solid hands-on PLC troubleshooting experience will be preferred.