Subsea Interface Engineer

Location Paramaribo, KPF Shore Base and Offshore Rig Sites, Suriname

Start DateEnd of December 2026 / January 2027

Contract Duration 2 Years

Rotation28 Days ON / 28 Days OFF (4/4)

Working Hours 12 Hours per Day, 7 Days per Week during rotation

The Subsea Interface Engineer is responsible for coordinating and managing all technical and operational interfaces between Completion equipment, Subsea Production Systems (SPS), drilling rig systems and offshore installation vessels for the GranMorgu development offshore Suriname.

The position provides engineering support throughout subsea equipment design, preparation, integration testing and offshore installation, ensuring that all interfaces are properly defined, verified and operationally ready.

The scope focuses particularly on Tubing Heads (TH), Permanent Guide Bases (PGB), Christmas Trees (XT), Wellheads (WH), SWIMS and associated installation equipment and tooling.

The Subsea Interface Engineer acts as a key technical interface between Drilling & Wells, SPS, Field Operations, Rig Contractors, installation vessels and specialized service companies.

The role contributes directly to the safe and timely execution of subsea completion operations, including equipment integration, installation readiness, offshore supervision and first-well execution.

Subsea Interface Engineering & Management

• Define and manage technical and operational interfaces between Drilling & Wells, SPS, Completion, Rig Contractors and offshore installation vessels.
• Establish and maintain clear battery limits between Completion and SPS equipment.
• Coordinate interfaces involving:
  • Tubing Heads (TH).
  • Permanent Guide Bases (PGB).
  • Christmas Trees (XT).
  • Wellheads (WH).
  • SWIMS.
  • Subsea installation equipment and tooling.
• Ensure compatibility between Completion equipment, SPS systems and rig equipment.
• Review engineering documentation, technical specifications and interface requirements.
• Identify interface gaps, incompatibilities and potential operational constraints.
• Coordinate resolution of technical queries and interface issues with Contractors and COMPANY technical disciplines.
• Maintain traceability of interface actions, deviations and outstanding technical matters.
• Monitor critical interface deliverables and escalate unresolved issues.

Subsea Equipment Integration & Testing

• Coordinate technical integration activities involving Completion, SPS and Rig equipment.
• Participate in engineering and design reviews.
• Review and support:
  • Factory Acceptance Tests (FAT).
  • Extended Factory Acceptance Tests (EFAT).
  • System Integration Tests (SIT).
  • Equipment fit-up tests.
  • Stack-up testing.
• Verify mechanical and operational compatibility between subsea components and installation tooling.
• Review integration testing procedures and technical acceptance criteria.
• Monitor testing results and identify outstanding technical issues.
• Coordinate the resolution of technical punch-list items.
• Ensure all critical interfaces are validated before offshore mobilization.
• Capture lessons learned from equipment integration and testing activities.

Subsea Installation Engineering

• Support engineering preparation for subsea installation operations.
• Coordinate technical requirements associated with PGB, TH, XT and SWIMS activities.
• Coordinate the engineering and required supplies for XT deployment from a dedicated installation vessel.
• Review installation procedures and operational methodologies.
• Verify compatibility between subsea equipment and offshore installation systems.
• Assess rig and vessel capabilities against planned operations.
• Review ROV interfaces, lifting arrangements and deployment requirements.
• Identify potential installation constraints and propose mitigation measures.
• Ensure engineering deliverables support safe and efficient offshore execution.

Wellhead Integrity & CAMO Assessments

• Review and lead Critical Activity Mode of Operation (CAMO) assessments associated with subsea and completion operations.
• Review Wellhead fatigue analyses relevant to planned activities.
• Assess operational constraints affecting Wellhead and Completion equipment.
• Identify safety-critical equipment interfaces and associated risks.
• Coordinate technical discussions with Drilling & Wells, SPS and Rig Contractors.
• Ensure relevant engineering assessments are completed before offshore execution.

Operational Readiness & Offshore Execution

• Ensure operational readiness of subsea interfaces, equipment, procedures and documentation.
• Verify that all critical technical issues have been resolved before offshore operations.
• Support readiness reviews involving Drilling & Wells, SPS and offshore installation teams.
• Provide offshore technical support and supervision for:
  • Christmas Tree installation.
  • SWIMS recovery.
  • PGB installation for the first wells.
  • Tubing Head installation for the first wells.
• Support resolution of technical issues encountered during offshore operations.
• Coordinate with Rig Contractors, installation vessels and service companies.
• Ensure offshore activities are performed in accordance with approved procedures and project requirements.
• Capture operational feedback and integrate lessons learned into subsequent well activities.

SIMOPS & Operational Risk Management

• Prepare and coordinate Subsea Simultaneous Operations (SIMOPS) dossiers.
• Liaise with Drilling & Wells, SPS, Field Operations, HSE and installation contractors.
• Identify operational interfaces involving multiple offshore activities.
• Assess hazards associated with concurrent operations.
• Ensure appropriate safeguards and mitigation measures are established.
• Participate in Technical Risk Assessments (TRA) and operational safety reviews.
• Verify that safety-critical interfaces are adequately addressed before execution.
• Support coordination between rig and vessel operations.

Field Operations & Well Ramp-Up Support

• Provide technical support to Field Operations during subsea completion preparation.
• Support the development of annulus bleed-off procedures during well ramp-up.
• Coordinate relevant interfaces between Completion, SPS and Field Operations teams.
• Review technical documentation supporting operational readiness.
• Ensure operational requirements are reflected in engineering and installation procedures.

Contractor & Multidisciplinary Coordination

• Act as COMPANY's technical focal point for subsea interfaces.
• Coordinate activities involving:
  • Drilling & Wells.
  • Completion Engineering.
  • Subsea Production Systems (SPS).
  • Field Operations.
  • Rig Contractors.
  • Offshore Installation Vessels.
  • ROV Service Providers.
  • HSE and Marine Operations Teams.
  • Specialized Subsea Service Companies.
• Organize and participate in technical interface meetings.
• Monitor Contractor progress on critical interface deliverables.
• Coordinate resolution of engineering and operational discrepancies.
• Ensure effective communication between multidisciplinary project teams.
• Escalate critical issues affecting equipment readiness or project schedules.

Technical Documentation & Reporting

• Review engineering studies, technical procedures and interface documentation.
• Maintain accurate records of interface actions and outstanding issues.
• Monitor technical queries, deviations and punch-list closure.
• Track integration testing status and equipment readiness.
• Prepare technical reports and progress updates.
• Support readiness assessments and offshore execution reviews.
• Capture lessons learned and contribute to continuous improvement.

• Demonstrate strong commitment to COMPANY HSE requirements and procedures.
• Apply COMPANY Rules, Golden Rules and applicable HSE management principles.
• Promote high HSEQ standards during engineering, testing and offshore operations.
• Identify safety-critical interfaces between SPS, Completion, Rig and installation systems.
• Participate in risk assessments and operational safety reviews.
• Ensure appropriate mitigation measures are implemented for identified hazards.
• Report unsafe conditions, technical anomalies and potentially hazardous situations.
• Promote a proactive safety culture across multidisciplinary teams.
• Ensure compliance with approved procedures during offshore execution.

Education

Engineering Degree or equivalent qualification, preferably in:

• Mechanical Engineering.
• Subsea Engineering.
• Petroleum Engineering.
• Related Engineering disciplines.

• Significant experience in subsea, drilling and/or completion engineering within offshore Oil & Gas developments.
• Demonstrated experience with subsea production and completion equipment.
• Strong technical knowledge of:
  • Wellheads.
  • Tubing Heads.
  • Permanent Guide Bases.
  • Christmas Trees.
  • Subsea installation equipment and tooling.
• Proven experience managing technical interfaces between SPS, Completion, Drilling Rigs and offshore installation vessels.
• Practical experience in FAT, EFAT, SIT, fit-up and stack-up testing.
• Experience managing technical punch lists and integration testing activities.
• Good understanding of subsea installation operations and ROV interfaces.
• Knowledge of offshore lifting and deployment operations.
• Experience preparing and reviewing operational procedures, TRA, CAMO and SIMOPS dossiers.
• Experience reviewing engineering studies and resolving technical interface issues.
• Previous offshore supervision experience during subsea installation operations is highly advantageous.
• Familiarity with COMPANY engineering specifications, drilling and wells referentials and HSE requirements.

The RFQ does not specify a mandatory minimum number of years of experience.

• Subsea Interface Engineering.
• SPS / Completion Interfaces.
• Drilling Rig Interfaces.
• Subsea Equipment Integration.
• Wellhead Systems.
• Tubing Head (TH).
• Permanent Guide Base (PGB).
• Christmas Tree (XT).
• SWIMS.
• Completion Equipment.
• FAT / EFAT / SIT.
• Fit-Up & Stack-Up Testing.
• Technical Punch-List Management.
• Subsea Installation Engineering.
• XT Deployment.
• ROV Operations.
• Offshore Lifting & Deployment.
• Wellhead Fatigue Analysis Review.
• Critical Activity Mode of Operation (CAMO).
• Technical Risk Assessment (TRA).
• SIMOPS.
• Operational Readiness.
• Offshore Installation Supervision.
• Annulus Bleed-Off Procedures.
• Contractor Interface Management.
• Technical Documentation Review.
• HSE Risk Management.

• Strong technical coordination and interface management capabilities.
• Excellent communication and interpersonal skills.
• Autonomous, rigorous and proactive approach.
• Strong analytical and problem-solving abilities.
• Ability to anticipate technical and operational risks.
• Effective prioritization and organizational skills.
• Ability to work with multiple Contractors and engineering disciplines.
• Strong commitment to operational safety and technical integrity.
• Ability to operate in a multicultural project environment.
• Willingness to support offshore operations and demanding project schedules.

• English: Fluent, written and spoken, mandatory.
• French: Advantageous.
• Dutch: Advantageous.

• Major offshore Oil & Gas development in Suriname - GranMorgu Project, Block 58.
• Multidisciplinary subsea development involving drilling, completion and SPS activities.
• Close coordination between drilling rigs, dedicated installation vessels and subsea equipment suppliers.
• Engineering, integration testing and offshore execution activities.
• Focus on the installation and integration of Wellheads, Tubing Heads, Permanent Guide Bases and Christmas Trees.
• Operations conducted between COMPANY offices in Paramaribo, the TFMC base at KPF and offshore rig sites.
• Rotational assignment involving both onshore engineering coordination and offshore operational support.