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 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:
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Develop and troubleshoot Siemens PLC programs using TIA Portal (S7-1200, S7-1500).
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Configure and integrate communication with field devices using:
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Modbus (RTU/RS485, TCP/IP)
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Profinet
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IEC 61850 (GOOSE Messaging, MMS)
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IEC 60870-5-104 (IEC104) for SCADA systems
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Configure IEDs, RTUs, and gateway devices for interoperability.
Testing & Validation:
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Perform Factory Acceptance Testing (FAT) and Site Acceptance Testing (SAT).
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Simulate PLC control logic and communication signals using test benches or simulators.
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Validate communication between PLCs, HMIs, protection relays, and SCADA systems.
Commissioning Activities:
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Lead and execute on-site commissioning, including:
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I/O and signal testing
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Protocol testing (IEC61850/IEC104)
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Drive/VFD configuration (e.g., Siemens G120)
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Substation or plant automation system startup
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Ensure proper configuration of data points for SCADA/EMS/DMS integration.
Troubleshooting & Support:
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Diagnose and resolve hardware/software issues in the field related to PLCs or protocol communication.
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Modify PLC or SCADA configurations during commissioning to meet changing requirements.
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Provide remote or on-site technical support during commissioning and post-handover.
Documentation & Reporting:
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Prepare technical documents: communication matrices, IED configuration files, test reports, and commissioning checklists.
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Maintain project-specific backups and version control for PLC, SCADA, and communication configuration files.
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Support customer training and handover documentation.
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Bachelor’s or Diploma in Electrical, Electronics, Instrumentation, or Automation Engineering.
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3–6+ years in PLC programming and field commissioning, with hands-on Siemens PLC experience.
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Practical experience with industrial protocols: Modbus (RTU/TCP), Profinet, IEC61850, and IEC104.
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Siemens TIA Portal, S7-1200/1500, and HMI (WinCC, WinCC Unified).
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Configuration tools for IEDs and communication gateways (e.g., Siemens SICAM, Schneider, ABB PCM, SEL).
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Familiar with network diagnostics tools (Wireshark, IEC61850 test tools).
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Reading and interpreting electrical drawings, signal lists, and SCADA point lists.
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Can join immediately upon selection.