Principal Structural Engineer at International Energy Services Limited

Incorporated in 1990, International Energy Services Limited (IESL) is a pan-African energy services company dedicated to delivering top-tier engineering and technical support services within the energy sector. Our operations extend beyond Nigeria to encompass other African countries, including Ghana, Mozambique, and Equatorial Guinea.

Our primary aim is to sustain our standing as a top three performer within our designated market segments. IESL has established enduring technical collaborations spanning more than 15 years with esteemed partners, Doris Engineering and STAT Marine. Furthermore, we have cultivated robust proficiency in supply chain management through strategic partnerships with various Original Equipment Manufacturers (OEMs). IESL proudly serves a comprehensive portfolio of International Oil Companies (IOCs).

We are recruiting to fill the position below:

Job Title: Principal Structural Engineer

Location: Lagos 
Employment Type: Contract

Key Responsibilities

• Carry out Offshore Structures, Hull, Risers & Mooring (OHRM) related design works using Shell specified software, and generate all Civil, Structural and relevant deliverables.
• Structural support sizing, design calculations and modification.
• Develop reports related to regulatory agencies such as Lloyd’s register.
• Reassessment of structural integrity of existing facilities using inspection data.
• Finite element analysis (FEA) using SACS, ANSYS/ABACUS for structural component design.
• Foundation and Geotechnical design for subsea equipment, flowline and riser systems and bottom-founded structures.
• Review AutoCAD structural drawings for all designs.
• Metocean data analysis and metocean design criteria reports.
• Weight estimates and weight management reports related to naval architecture scope.
• Global analysis of floating systems consisting of connected or linked multiple floaters.
• Ensure HSSEQ Compliance: Ensure all structural engineering, construction and installation activities comply with HSSEQ (Health, Safety, Security, Environment and Quality) standards and promote a safety-first culture on-site.
• Enforcing Shell and IOGP (International Oil and Gas Producers) HSE (Health Safety and Environment) policies and procedures at Company worksites.
• Participate in multi-disciplinary Detailed Engineering Design for the project.
• Review and provide input to technical specification documents, analysis reports, drawings and other detailed engineering documents for the Structural scope of the project.
• Manage technical queries during design, procurement, fabrication, and installation phases, including any applicable qualification and testing.
• Perform technical tasks assigned by the project Structural Lead such as structural analyses, calculations, design, verification or study activities.
• Interface with other Project Specialists and Designers.
• Co-ordinate and review technical activities.
• Apply knowledge of applicable industry codes and Shell requirements to ensure safe design and operations, working collaboratively with other disciplines.
• Collaborate effectively with engineering houses and other Community of Practice (CoP) Engineering disciplines within the Company.
• Provide engineering input on alternative design, construction and installation techniques proposed by the Contractor.
• Witness site activities including Site Receipt Inspection, Factory Acceptance Test, and confirm compliance with the approved procedure.
• Manage the HSSE performance of contractors during installation to ensure HSSE targets are met or exceeded. Act as the HSE champion for Offshore Installation activities, ensuring Company’s team is highly visible and providing proactive HSE leadership to achieve Goal Zero.
• Reviewing construction and installation procedures and method statements for the project.
• Reviewing installation analysis for risers, jumpers, spool pieces and topsides equipment to validate installation methods and tools, including heavy offshore lifting plans.
• Liaising with the Quality Assurance discipline to ensure alignment between QA/QC requirements and technical specifications.
• Liaise with Company’s Lifting and Hoisting SME (Subject Matter Expert) to review lift plan, rigging register and support safe lifting operations.
• Responsible for safe, timely and efficient execution and drive progress of work scope based on project schedule.
• Work with Contractor to ensure quality issues are properly identified, documented, reported and timely dispositioned.
• Author and deliver daily, weekly, and monthly status, progress, and site reports.
• Liaise with internal stakeholders i.e., Quality, HSE, project control, engineering disciplines, planning, etc. to ensure adequate support for project execution.
• Log and track lessons Learned during the detailed design and manufacturing activities within the Package.

Experience & Qualification Required

• Minimum of bachelor’s degree in civil/structural Engineering, or equivalent, with professional registration.
• Minimum of 15 years work experience with at least 10 years relevant experience directly related to oil and gas offshore structures within an upstream Deepwater or similar environment.
• Experience in design, construction and installation activities on FPSOs in deepwater environment.
• COREN Registered Professional Engineer.
• Thorough knowledge of oil field engineering construction methods including its practice and procedures.
• Strong understanding of project-specific requirements, design analysis, and technical documentation.
• Familiar with codes standards regulations and practices applicable to the design and construction of offshore structures/production facilities, including API, AISC, AWS, BS, EU, DNV, LR, etc.
• Proficient in use of SACS, ANSYS and other FEA analysis software.
• Proficient in Orcaflex, Abaqus, or Pipelay software.
• Good understanding and application of relevant Industry standards and codes (DNV, API, ASME, etc.).
• Knowledge in use of MS Office tools or similar software.
• Ability to communicate, work, interface, interact and influence effectively within a multi-disciplinary team of professionals located globally.
• Knowledge of personal and process safety.

Application Closing Date
3rd September, 2025.

How to Apply
Interested and qualified applicants should send their CV to: recruitment@ieslglobal.com using the job title as subject of the mail.