Job Openings Engineer, Pre-com & commissioning – GEP & SURF

About the job Engineer, Pre-com & commissioning – GEP & SURF

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:

Please be aware that Mubadala Energy will never request payment during the hiring process. Legitimate job openings can be found on our official website or through our job portal at https://www.careers-page.com/mubadalaenergy

All official communications will originate from an @mubadalaenergy.com email address, so please verify the identity of any recruiters you may encounter.
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By applying for this position at Mubadala Energy, you expressly consent to the collection, use, and sharing of your personal information for recruitment and employment purposes in accordance with the Mubadala Energy Data Privacy Policy and the country‑specific Personal Data Protection Act.


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