We, at Emarat Aloula is seeking a skilled and experienced Instrumentation (PLC/SCADA) Engineer to support the operation, maintenance, troubleshooting, and calibration of instrumentation and automation systems for our Wastewater Treatment Plant (Odour Control Project).

The ideal candidate should possess strong hands-on experience in PLC, SCADA, industrial networks, instrumentation calibration, and maintenance, particularly within wastewater treatment or sewage treatment plant (STP) applications.

Key Responsibilities

• Perform maintenance, troubleshooting, and calibration of field instrumentation systems

• Handle calibration and maintenance of STP instruments including:

o Dissolved Oxygen (DO) analyzers

o pH analyzers

o Flow transmitters

o Level transmitters

o Pressure transmitters

• Support operation and maintenance of PLC, SCADA, and HMI systems

• Configure, troubleshoot, and maintain SIEMENS S7-1500 PLC systems

• Work extensively with SIEMENS TIA Portal Software and Comfort Panel HMIs

• Support and maintain industrial communication networks and protocols including:

o PROFIBUS

o DEVICE-NET

o Modbus TCP/IP

o Modbus RTU

• Perform basic configuration and troubleshooting of industrial network switches, including SIEMENS SCALANCE switches

• Configure IP settings and replace faulty switches when required

• Support operation and maintenance of VFD motors and related systems

• Assist in SCADA monitoring, diagnostics, and system optimization

• Support preventive and corrective maintenance activities for instrumentation and automation systems

• Coordinate with operations and maintenance teams to ensure system reliability and minimal downtime

• Maintain proper documentation, reports, and maintenance records