PLC Specialist / Lead Package

PLC Specialist / Lead Package Interface – LNG Project

We are currently seeking an experienced PLC Specialist / Lead Package Interface to support the commissioning and start-up phase of a major LNG infrastructure project.
This is a key role within the commissioning team, responsible for ensuring the successful integration, testing, troubleshooting, and operational readiness of Package PLC systems and their interfaces with ICSS/DCS/SIS/FGS systems.
The successful candidate will play a critical role in delivering safe, reliable, and efficient start-up operations while coordinating closely with EPC contractors, vendors, operations teams, and multidisciplinary commissioning teams.

Key Responsibilities

Commissioning & Start-Up Preparation

• Review PLC narratives, control logic, cause & effect diagrams, and operating philosophies
• Verify PLC architectures, communication networks, I/O configurations, and DCS/SCADA interfaces
• Support development and validation of commissioning procedures and pre-commissioning checklists
• Coordinate commissioning activities across Mechanical, Electrical, and Instrumentation disciplines
• Prepare and review PLC–ICSS interface definitions for LNG process facilities
• Define and validate FAT, SAT, SIT, and OTP acceptance criteria
• Support ESD and Fire & Gas testing program preparation
• Ensure proper management of engineering changes and interface activities

Commissioning & Execution

• Lead PLC package activities during commissioning and start-up execution
• Ensure PLC packages are ready for energization, testing, and operational start-up
• Supervise contractor commissioning activities and ensure compliance with project requirements
• Manage PLC/ICSS interface testing and troubleshooting activities
• Support start-up tuning and issue resolution for stable plant operations
• Monitor SAT and Site Integration Tests
• Coordinate vendor mobilization and support activities
• Validate punch list closure related to PLC packages
• Ensure proper reporting and documentation throughout OTP execution

Operational Readiness & Handover

• Verify start-up readiness including:
  • Alarm management
  • Communication stability
  • PLC backups
  • As-built software validation
  • Removal/control of bypasses
• Provide real-time troubleshooting support during critical start-up phases
• Support commissioning dossier approval and handover certification
• Ensure “as commissioned” documentation is updated and transferred correctly
• Support operations and maintenance teams through training and mentoring activities
• Ensure PLC assets are properly registered within CMMS systems

HSE & Compliance

• Promote and maintain the highest HSE standards
• Ensure compliance with cyber security requirements
• Participate actively in SIL-related commissioning activities
• Ensure all activities comply with international standards and local regulations

Candidate Requirements

• Master’s Degree in Automation, Control Systems, or related Engineering discipline
• Minimum 15 years’ experience within Oil & Gas, including LNG facilities
• Strong commissioning and start-up experience on large onshore projects
• Minimum 10 years’ experience in a Package Coordinator or similar leadership role
• Proven expertise with major PLC vendors such as:
  • Emerson
  • Schneider
  • Siemens
  • ABB
  • Honeywell
  • Rockwell
  • Foxboro
• Strong experience with:
  • ICSS / DCS / SIS integration
  • Industrial communication protocols (Profibus, Modbus, Ethernet/IP)
  • ESD and F&G systems
  • LNG process operations
  • Commissioning execution and troubleshooting

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