PLC & Substation Automation Engineer (Siemens Specialist)

Orbit International Survey Services (Orbit ISS) is an industrial asset integrity engineering management firm based in United Arab Emirates, since 2006. We are an ISO 9001:2015, ISO 14001:2015 & ISO 45001:2018 accredited company and have provided asset integrity solutions to high-profile clients throughout the Middle East, North America, and Asia. Founded on the principles of safety, quality, and environmental stewardship, Orbit ISS is committed to providing world-class services and technology that help our clients address complex challenges in the oil, gas, marine and renewable energy sectors.

Visit our website at www.orbitiss.com to learn more.

Role Overview:

Orbit International Survey Services LLC is seeking a skilled PLC & Substation Automation Engineer (Siemens Specialist) with proven expertise in Siemens SICAM PAS, SICAM A8000 RTUs (CP8022/CP8050), and WinCC SCMS. The role focuses on programming, configuration, testing, and commissioning of automation and control systems for high-voltage substations (765kV/400kV/220kV), with emphasis on protocol integration, network communication, and IED configuration.

Key Responsibilities:

• Develop and troubleshoot Siemens PLC programs using TIA Portal (S7-1200/1500).
  
• Configure and integrate field devices with Modbus (RTU/TCP), Profinet, IEC61850 (GOOSE, MMS), IEC104.
  
• Perform FAT, SAT, and simulation testing for PLC/SCADA systems.
  
• Lead on-site commissioning (I/O testing, protocol validation, VFD setup, SCADA/EMS/DMS integration).
  
• Diagnose and resolve PLC, SCADA, and protocol issues in field or remote support.
  
• Prepare documentation: communication matrices, IED configs, test reports, backups.
  
• Support client training and system handovers.
  
  
  
  

Requirements

• Bachelor’s/Diploma in Electrical, Electronics, Instrumentation, or Automation.
  
• 3–6+ years in PLC programming and commissioning, with Siemens systems.
  
• Strong knowledge of industrial protocols (Modbus, Profinet, IEC61850, IEC104).
  
• Experience with Siemens TIA Portal, WinCC, SICAM tools, and IED gateway configuration.
  
• Familiar with diagnostic tools (Wireshark, IEC61850 test tools).
  
• Ability to read electrical drawings, signal lists, and SCADA point lists.
  
• Immediate joiners preferred.