Transportation & Installation Lead (Pre-commissioning & De-commissioning)

Role overview

Pipeline pre-commissioning and de-commissioning

• Lead pre-commissioning activities covering flooding, cleaning, gauging, hydrostatic testing, inline inspection, dewatering, drying, and nitrogen purging.
• Lead offshore de-commissioning of existing live pipelines, including isolation, depressurization, flushing, cleaning, and subsea pipeline removal.
• Manage the Contractor’s complete scope from engineering planning through offshore execution and closeout.
• Review and approve Contractor philosophies, execution strategies, and method statements.
• Review calculations for hydrotest pressure and duration, fill volumes, pig train configuration, dewatering flow rates, drying criteria, nitrogen requirements, and temporary equipment.
• Support definition of de-commissioning boundaries, pipeline status and contents, and isolation requirements.

Offshore coordination and execution

• Coordinate with Contractors, Offshore Operations, VMT, diving, ROV, marine, and HSE teams.
• Ensure activities comply with SIMOPS, HSE, environmental, and marine requirements.
• Lead and monitor marine vessel mobilization; ensure quality execution onboard vessels and JUBs.
• Manage punch lists, technical queries, site queries, and non-conformances.
• Provide offshore technical guidance and troubleshooting; support changes, deviations, unexpected conditions, recovery plans, and Management of Change.
• Ensure safe subsea de-commissioning using technical plugs and other tools.

Qualifications and experience

• Bachelor’s degree in Mechanical Engineering or Subsea Engineering.
• At least 8 years of offshore installation experience on vessels in Transportation & Installation activities, including at least 1 year in a supervisory role.
• At least 5 years as a Field Engineer or Site Supervisor onboard installation vessels, with relevant subsea de-commissioning experience.
• Extensive knowledge of subsea pipeline pre-commissioning and de-commissioning, pipeline pigging, subsea isolation plugs, and de-commissioning tools.
• Extensive experience in pre-commissioning vessel supervision.
• Strong knowledge of DNV-ST-F101, ASME B31.4, ASME B31.8, API, and ISO pipeline/offshore standards.
• Experience in submarine pipeline de-commissioning, including technical isolation plugs for safe isolation and abandonment.
• Major operator or LNG company experience and knowledge of LNG company PTW systems are desirable.