Engineer, Pre-com & commissioning – GEP & SURF

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

Engineer, Pre-com & commissioning – GEP & SURF

(Third Party Contractor)

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:
- 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.

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)
- Dew point measurement
- Prepare pipeline for hydrocarbon introduction.

Plan/Execute/supervise/monitor/manage:
- Leak testing

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 certificat

📌 Engineer, Pre-com (Asia)
🏢 Mubadala Energy
📍 Asia