LNG Precommissioning & Commissioning System Engineer

Employment; Oman; On-site; OMR 60,000 - 100,000; Full time

Job summary

Energy Jobline is seeking an experienced Precommissioning & commissioning system engineer for a large LNG facility. The role focuses on system ownership from mechanical completion through precommissioning, commissioning, startup support, and handover to operations.

This site-based position requires proven EPC commissioning experience on LNG projects. Ideal candidates will have hands-on precommissioning and commissioning on EPC projects, with strong ability to read diagrams and manage system

Qualifications

• Minimum 8 years of oil & gas or LNG project experience.
• Hands on precommissioning and commissioning experience on EPC projects.
• Proven system based commissioning role from construction to startup.
• Site experience on large scale LNG or gas processing facilities.
• Candidates without direct site commissioning experience will not be considered.

Responsibilities

• Act as system engineer for assigned process and/or utility systems.
• Define system boundaries, subsystems, and turnover packages.
• Plan and execute precommissioning activities including flushing, blowing, drying, leak testing, pressure testing, instrument loop checks and functional testing, electrical continuity, IR testing, and energisation readiness.
• Verify mechanical completion (MC) and manage punch list clearance.
• Execute commissioning activities in line with approved procedures.
• Support startup, live testing, and initial operation of systems.
• Coordinate closely with construction, engineering, operations, HSE, and QA/QC teams.
• Prepare and review commissioning procedures, test records, and system dossiers.
• Report system progress, constraints, and risks to the commissioning manager.
• Ensure all activities comply with HSE requirements, permits, and SIMOPS controls.

Skills

P&IDs

Cause & effect diagrams

Electrical single line diagrams

Instrument loop diagrams

Commissioning databases

System dossiers

Tools

Data management systems

Job description

Energy Jobline is seeking an experienced Precommissioning & commissioning system engineer for a large LNG facility. The role focuses on system ownership from mechanical completion through precommissioning, commissioning, startup support, and handover to operations.

This site-based position requires proven EPC commissioning experience on LNG projects. Ideal candidates will have hands-on precommissioning and commissioning on EPC projects, with strong ability to read diagrams and manage system