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.
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Role Overview:
Orbit International Survey Services LLC is looking for a skilled PLC Programming Engineer with proven expertise in Siemens SICAM PAS SICAM A8000 RTUs (CP8022/CP8050) and WinCC SCMS systems. The role involves programming configuration testing and commissioning of automation and control systems for high-voltage substations (765kV/400kV/220kV) with a strong focus on protocol integration network communication and IED configuration.
Key Responsibilities:
PLC Programming & Integration:
- Develop and troubleshoot Siemens PLC programs using TIA Portal (S7-1200 S7-1500).
- Configure and integrate communication with field devices using:
- Modbus (RTU/RS485 TCP/IP)
- Profinet
- IEC 61850 (GOOSE Messaging MMS)
- IEC(IEC104) for SCADA systems
- Configure IEDs RTUs and gateway devices for interoperability.
Testing & Validation:
- Perform Factory Acceptance Testing (FAT) and Site Acceptance Testing (SAT).
- Simulate PLC control logic and communication signals using test benches or simulators.
- Validate communication between PLCs HMIs protection relays and SCADA systems.
Commissioning Activities:
- Lead and execute on-site commissioning including:
- I/O and signal testing
- Protocol testing (IEC61850/IEC104)
- Drive/VFD configuration (e.g. Siemens G120)
- Substation or plant automation system startup
- Ensure proper configuration of data points for SCADA/EMS/DMS integration.
Troubleshooting & Support:
- Diagnose and resolve hardware/software issues in the field related to PLCs or protocol communication.
- Modify PLC or SCADA configurations during commissioning to meet changing requirements.
- Provide remote or on-site technical support during commissioning and post-handover.
Documentation & Reporting:
- Prepare technical documents: communication matrices IED configuration files test reports and commissioning checklists.
- Maintain project-specific backups and version control for PLC SCADA and communication configuration files.
- Support customer training and handover documentation.
Requirements
- Bachelor s or Diploma in Electrical Electronics Instrumentation or Automation Engineering.
- 3 6 years in PLC programming and field commissioning with hands-on Siemens PLC experience.
- Practical experience with industrial protocols: Modbus (RTU/TCP) Profinet IEC61850 and IEC104.
- Siemens TIA Portal S7-1200/1500 and HMI (WinCC WinCC Unified).
- Configuration tools for IEDs and communication gateways (e.g. Siemens SICAM Schneider ABB PCM SEL).
- Familiar with network diagnostics tools (Wireshark IEC61850 test tools).
- Reading and interpreting electrical drawings signal lists and SCADA point lists.
- Can join immediately upon selection.