Commissioning Subsea Engineer

Pubblicato il 09-11-2026 · IOTA Group · Milano

IOTA Group supports its clients in delivering major international projects across the energy, nuclear, mining, infrastructure and industrial sectors.

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Our client is a major international player in the Oil & Gas industry, involved in the development of large-scale LNG projects, including offshore gas production and onshore processing facilities. We are currently looking for an experienced

Commissioning Subsea Engineer

to join a major LNG project based in Milan, Italy. The successful candidate will oversee the commissioning of gas inlet and condensate facilities, as well as onshore subsea support equipment, ensuring safe execution, technical compliance and successful handover to Operations.
Job Description

As a

Commissioning Subsea Engineer , you will oversee the commissioning of the

Inlet and Condensate facilities

and

onshore subsea support equipment , from engineering preparation through execution and start-up.
Main Responsibilities:
Oversee the commissioning of

systems and subsystems

for the Inlet and Condensate facilities, ensuring proper handover to Operations.
Supervise the preparation and scheduling of

pre-commissioning and commissioning activities

to achieve safe and timely

Mechanical Completion (MC), Ready for Start-Up (RFSU) and Ready for Loading (RFL)

milestones.
Actively contribute to the development and review of

pre-commissioning and commissioning engineering deliverables

during the engineering phase.
Ensure contractors comply with

contractual requirements, project specifications and HSE standards .
Supervise commissioning activities on site and manage interfaces between

contractors, subcontractors and equipment vendors .
Coordinate with

Engineering, Contracting, Procurement, Construction and Operations

teams to ensure progress towards final RFSU.




Coordinate the witnessing of commissioning activities with Operations personnel and complete remaining commissioning activities following

hydrocarbon introduction under SIMOPS (Simultaneous Operations)

conditions.
Ensure the safe and efficient commissioning and handover of facilities to Operations.
Comply with and enforce

HSE requirements and the applicable code of conduct

at all times.
Qualifications

Master's degree or equivalent in

Process, Mechanical, Control or Subsea Engineering .
Minimum 15 years of experience

in onshore/offshore Oil & Gas projects.
At least 10 years of hands-on experience

in subsea equipment operations and subsea control systems, including manifolds, wells, umbilicals, SCS/SCM, MCS, HPU and EPU/TUTA.
Minimum

10 years of experience in commissioning or process systems , including at least

5 years in senior commissioning roles .
Proven experience in commissioning

gas inlet, slug catcher and condensate stabilisation systems

within LNG or gas-processing facilities.
Strong technical knowledge of

HIPPS, beach valves, subsea chemical injection, MEG systems and hydraulic power units (HPU) .
Solid background in

process and control engineering , including the ability to read and interpret P&IDs;, cause & effect matrices and control narratives.
Experience in developing and reviewing

commissioning procedures, test packs, punch lists, commissioning schedules and MC/RFSU/RFL dossiers .
Proven track record in achieving

Mechanical Completion (MC), Ready for Start-Up (RFSU) and Ready for Loading (RFL)

milestones.
Experience working under

SIMOPS conditions , particularly during hydrocarbon introduction.
Strong

communication, coordination and leadership skills , with the ability to manage multiple interfaces in multicultural and multi-site environments. xlwpduy
Ability to work under pressure and influence stakeholders through

sound technical arguments .
Fluent English (written and spoken) is required.
Additional Information

Starting Date:

04 January 2027
Duration of the Mission:

12 months
Position:

Residential

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