PLC & SCADA Engineer

Qureos Inc; Dubai Emirate; On-site; AED 150,000 - 270,000; Full time

Job summary

Qureos is seeking a PLC & SCADA Engineer to design, program, test, commission, and maintain PLC, HMI, and SCADA systems for water and wastewater projects in the UAE. You will integrate instrumentation, electrical systems, VFDs, analyzers, and field devices to ensure reliable plant operation and compliance with project specifications.

The role requires strong experience in industrial automation, proficiency with Siemens, Rockwell, Schneider, and other platforms, plus hands-on commissioning and

Qualifications

• Bachelor's degree in Automation/Electrical/Instrumentation Engineering.
• 5+ years in industrial automation with water/wastewater exposure.
• Minimum 5 years in Water or Wastewater treatment projects.

Responsibilities

• Design PLC control systems for water and wastewater plants.
• Develop PLC software per project specs and FDS.
• Design SCADA/HMI for plant monitoring and control.
• Prepare control philosophies, I/O lists, and network architecture.
• Review P&IDs and electrical drawings.
• Develop graphical SCADA screens and alarms.
• Coordinate with electrical/mechanical teams during install.
• Perform FAT/SAT and on-site commissioning.
• Document commissioning reports and as-built documentation.

Skills

PLC Programming

SCADA Development

Automation System Design

Process Control

Instrumentation

Electrical Troubleshooting

Commissioning

Industrial Networking

Teamwork

Communication Skills

Time Management

Education

Bachelor's Degree in Automation/Electrical/Instrumentation Engineering

Tools

Siemens S7-1200/1500/TIA Portal

Allen-Bradley (Rockwell)

Schneider Electric

Mitsubishi

Omron

Siemens WinCC/TIA Portal

FactoryTalk View

WinCC Unified

HMI: Siemens Comfort Panels

Weintek

TIA Portal

AutoCAD

Microsoft Office

Job description

The PLC & SCADA Engineer is responsible for the design, programming, testing, commissioning, troubleshooting, and maintenance of PLC, HMI, and SCADA systems for water and wastewater treatment plants. The role involves integrating instrumentation, electrical systems, VFDs, analyzers, and field devices to ensure reliable plant operation and compliance with project specifications.

Key Responsibilities

Engineering & Design

• Design PLC control systems for water and wastewater treatment plants.
• Develop PLC software in accordance with project specifications and functional design documents.
• Design and configure SCADA and HMI applications for plant monitoring and control.
• Prepare control philosophies, I/O lists, network architecture, and automation documentation.
• Review P&IDs, electrical drawings, and control panel drawings.

PLC Programming

• Develop PLC programs for treatment processes:
• Configure communication protocols such as:
  • Modbus RTU/TCP
  • Profibus
  • Profinet
  • Ethernet/IP
  • OPC

SCADA Development

• Develop graphical SCADA screens.
• Configure alarms and event logging.
• Configure historical trending and reporting.
• Implement user access levels and security.
• Integrate PLCs with SCADA servers.

Commissioning

• Perform FAT (Factory Acceptance Test).
• Perform SAT (Site Acceptance Test).
• Commission PLC and SCADA systems at site.
• Conduct I/O testing and loop checking.
• Troubleshoot automation and communication issues.
• Support plant start-up activities.

Instrumentation & Electrical Coordination

• Interface with field instruments including:
  • Flow meters
  • Pressure transmitters
  • Level transmitters
  • pH analyzers
  • Conductivity analyzers
  • DO analyzers
  • Turbidity analyzers
  • Chlorine analyzers
• Coordinate with electrical and mechanical teams during installation and commissioning.

Documentation

• Prepare:
  • Functional Design Specifications (FDS)
  • Operation Manuals
  • Commissioning Reports
  • As-built Documentation
  • Backup of PLC and SCADA programs
  • Technical Reports

Required Qualifications

• Bachelor's Degree in Automation Engineering / Electrical Engineering, Electronics Engineering, Instrumentation Engineering.
• 3–8 years of experience in industrial automation.
• Minimum 5 years of experience in Water or Wastewater Treatment projects.

Required Technical Skills

PLC Platforms

• Siemens (S7-1200, S7-1500, TIA Portal) ,(S7-300,S7-400H)
• Allen-Bradley (Rockwell)
• Schneider Electric
• Mitsubishi
• Omron (preferred)

SCADA Platforms

• Siemens WinCC TIA PORTAL
• FactoryTalk View
• WinCC Unified (preferred)
• WINCC SCADA

HMI

• Siemens Comfort Panels
• Weintek

Software

• Siemens TIA Portal
• WinCC
• AutoCAD
• Microsoft Office

Preferred Experience

• Wastewater Treatment Plants (WWTP)
• Sewage Treatment Plants (STP)
• Water Treatment Plants (WTP)
• Reverse Osmosis (RO) Plants
• UF/MBR Systems
• Pumping Stations
• Industrial Water Treatment
• Desalination Plants

Key Competencies

• PLC Programming
• SCADA Development
• Automation System Design
• Process Control
• Instrumentation
• Electrical Troubleshooting
• Commissioning
• Industrial Networking
• Problem Solving
• Teamwork
• Communication Skills
• Time ManagementPreferred Certifications

Preferred Certifications

• Siemens Certified Programmer
• Rockwell Automation Certification
• Schneider Electric Automation Certification
• ISA Certified Automation Professional (CAP) (preferred)
• Valid UAE Driving License (preferred)