Job Description

Engineer, Pre-com & commissioning – GEP & SURF

(Third Party Contractor)

Jakarta, Indonesia

Role Purpose:

A Pre-commissioning & Commissioning Engineer is responsible for planning, coordinating, and executing all activities required to prepare a subsea system for safe startup and operation. This includes mechanical completion verification, testing, cleaning, and system handover to operations.

Responsibilities include but are not limited to the following:

1. Engineering & Planning

• Develop/review pre-commissioning and commissioning procedures for subsea systems (Gas Export Pipeline, Flowlines, Subsea Xmas Trees, PLETs, manifolds, umbilicals)
• Review design documents (P&IDs, Isometrics, alignment sheets, datasheets).
• Define method statements for:
• Flooding, cleaning, gauging
• Hydrostatic testing
• Dewatering and drying
• Prepare commissioning dossiers and system boundaries.

2. Pre-commissioning Activities

Plan/Execute/supervise/monitor/manage:

• Pipeline/Flowline cleaning (pigging, flushing)
• Gauging to confirm internal diameter integrity
• Hydrotest (strength & leak test)
• Test water sourcing, treatment, and disposal
• Chemical dosing (corrosion inhibitor, oxygen scavenger)
• Ensure compliance with specifications and codes (e.g., SNI, DNV, API).

3. Dewatering & Drying

Plan/Execute/supervise/monitor/manage:

• Dewatering using air or nitrogen pigging
• Drying to required dew point (e.g., -20°C or lower depending spec)
• Moisture content
• Dew point measurement
• Prepare pipeline for hydrocarbon introduction.

4. Commissioning Activities

Plan/Execute/supervise/monitor/manage:

• Leak testing
• Nitrogen purging / inerting
• Final system reinstatement

Interface with:

• Topside / FPSO / onshore facilities
• Support first hydrocarbon introduction.

5. Offshore Execution

Work onboard:

• Lay vessels
• Construction vessels
• FPSO
• Supervise subcontractors and vendors.
• Ensure execution aligns with project schedule and safety standards.

6. Documentation & Handover

Prepare:

• Test reports
• Punch lists
• System completion certificates (RFSU / RFO)
• Compile commissioning dossiers for handover to operations team.
• Ensure all QA/QC documentation is complete and approved.

7. HSSE Compliance

Implement HSSE procedures during all activities.

Conduct:

• Risk assessments (HAZID, JSA)
• Toolbox talks
• Ensure safe handling of:
• High-pressure systems
• Chemicals
• Nitrogen operations

Qualifications:

• Bachelor's/Master degree in:
• Mechanical Engineering
• Offshore / Ocean Engineering
• Petroleum Engineering
• Civil Engineering

Experience:

• Minimum 10 yrs solid experience years in pre-commissioning & commissioning of subsea system in oil & gas.
• Minimum 10 yrs solid experience in deepwater projects.

Knowledge & Skills:

• Strong knowledge of:
• Subsea architecture (Gas Export Pipeline, Flowlines, Subsea Xmas Trees, PLETs, manifolds, umbilicals) & materials
• Pigging operations
• Hydrotesting standards
• Familiar with codes:
• SNI
• DNV-ST-N001
• API standards
• Other Oil & Gas international standards

Soft Skills

• Strong coordination & leadership offshore
• Problem-solving under pressure
• Effective communication with multi-disciplinary teams

If you are interested in joining our team, click 'Apply for Position' on this webpage.

DISCLAIMER:

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