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 the largest and fastest growing global energy job board and energy hub. We have an audience reach of over 7 million energy professionals, 400,000+ monthly advertised global energy and engineering jobs, and work with the leading energy companies worldwide.

We focus on the oil & gas, renewables, engineering, power, and nuclear markets as well as emerging technologies in EV, battery, and fusion. We are committed to ensuring that we offer the most exciting career opportunities from around the world for our jobseekers.

Role overview

We are looking for an experienced Precommissioning & commissioning system engineer to manage system based execution during the precommissioning and commissioning phases of a large LNG facility. The role focuses on system ownership from mechanical completion through precommissioning, commissioning, startup support, and handover to operations.

This position is site based and suited to engineers with proven EPC commissioning experience.

Key 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

Mandatory requirements (strict)

Education

Experience

• 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

Technical skills

• Strong understanding of commissioning workflows and system handover
• Ability to read and interpret:
  P&IDs, cause & effect diagrams
  electrical single line diagrams
  instrument loop diagrams
• Experience with commissioning databases and system dossiers

Professional skills

• Strong coordination and interface management skills
• Practical, hands on problem solver
• Comfortable working in high pressure, multicultural site environments

Ideal background

• EPC contractor commissioning experience
• LNG precommissioning and commissioning phase exposure
• Middle East project experience (preferred)