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Subsea Operations Engineer

Job in Greater London, London, Greater London, W1B, England, UK
Listing for: IOTA GROUP
Full Time position
Listed on 2026-08-08
Job specializations:
  • Engineering
    Oil & Gas, Systems Engineer
Salary/Wage Range or Industry Benchmark: 120000 - 150000 GBP Yearly GBP 120000.00 150000.00 YEAR
Job Description & How to Apply Below
Location: Greater London

Our client is a global multi-energy company operating large-scale refining and petrochemical facilities. It transforms crude oil into fuels and essential industrial products through highly integrated and technologically advanced operations. The organisation is recognized for its strong HSE culture, operational excellence, and commitment to reducing environmental impact. Joining the company means contributing to complex international projects within a high-performance industrial environment.

Context

and environment

The Absheron Conventional Gas & Condensates field is located offshore Azerbaijan Republic in the Caspian Sea in 500 meters depth, at about 100km southeast of Baku, 25km north-east of Shah Deniz field and 34km south of Oil Rocks production and processing facilities. The project aims at supplying natural gas for both domestic market via Sangachal main facilities (condensate) and for international export market via the South Caucasus Pipeline (SCP).

Accountabilities
  • Throughout the project phases, develop, issue, update and implement the FOPS Subsea philosophy/strategy for all the facilities encompassed within the Project, according to the Project objectives.
  • To define and propose actions to be implemented to apply these strategies.
  • To define all required FOPS contracts/procedure/tools that are required to be implemented during project phase and before RFSU.
  • Ensure that Inspection strategy is implemented in anticipation to the First Gas and subsequent operations.

To co-ordinate these actions with other Project activities.

Our client is a global multi-energy company operating large-scale refining and petrochemical facilities. It transforms crude oil into fuels and essential industrial products through highly integrated and technologically advanced operations. The organisation is recognized for its strong HSE culture, operational excellence, and commitment to reducing environmental impact. Joining the company means contributing to complex international projects within a high-performance industrial environment.

Context

and environment

The Absheron Conventional Gas & Condensates field is located offshore Azerbaijan Republic in the Caspian Sea in 500 meters depth, at about 100km southeast of Baku, 25km north-east of Shah Deniz field and 34km south of Oil Rocks production and processing facilities. The project aims at supplying natural gas for both domestic market via Sangachal main facilities (condensate) and for international export market via the South Caucasus Pipeline (SCP).

Accountabilities
  • Throughout the project phases, develop, issue, update and implement the FOPS Subsea philosophy/strategy for all the facilities encompassed within the Project, according to the Project objectives.
  • To define and propose actions to be implemented to apply these strategies.
  • To define all required FOPS contracts/procedure/tools that are required to be implemented during project phase and before RFSU.
  • Ensure that Inspection strategy is implemented in anticipation to the First Gas and subsequent operations.

To co-ordinate these actions with other Project activities.

Job Description Activities

The job holder responsibilities are:

  • Acting as FOPS Technical Authority for all Subsea Production system issues.
  • Ensure the FOPS requirements are implemented in the design of all subsea equipment.
  • Participate in the design reviews of subsea equipment.
  • Participate in Factory Acceptance Testing and System Integration Testing (SIT) to confirm that multi-vendor subsea components physically fit and communicate together.
  • Prepare Subsea Operating and Emergency Operating Procedures:
    Write clear step-by-step procedures for well start-ups, SAPL activiteis, shutdowns, chemical flushes, and SCSSV operations.
  • Supports the Maintenance team for the subsea equipment maintenance engineering.
  • Acting as CPY representative during offshore operations.
  • Map Subsea Asset Hierarchy:
    Develop the structural framework (Inspection and Monitoring Programs, IMR) for all subsea architecture, including trees, manifolds, templates, flowlines, and umbilical.
  • Establish Subsea Reliability Strategies:
    Run sessions explicitly focused on deepwater failure modes, high-pressure/high-temperature (HPHT) challenges, and marine growth.
  • Support Flow Assurance Strategy in the development of operational guidelines to manage hydrate formation, wax deposition, and scale buildup inside the subsea network.
  • Create Subsea Control System Protocols:
    Build the operating and troubleshooting procedures for the Subsea Control Modules (SCM).
  • Develop ROV Intervention Tooling Plans:
    Ensure all subsea equipment is designed with standard ROV interfaces and verify that specialized ROV tools are sourced and ready for future repairs.
  • Optimize Subsea Spare Parts Inventory:
    Identify critical, long-lead subsea spares that must be manufactured and stored onshore.
  • Review Umbilical and Flowline Preservation:
    Oversee the fluid filling, pressurization, and monitoring of umbilical and pipelines while they await final commissioning on the…
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