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Principal Design Engineer - Mechanical / Piping at International Energy Services Limited (IESL)

Posted on Thu 08th May, 2025 - hotnigerianjobs.com --- (0 comments)


International Energy Services Limited (IESL), established in 1990, is a specialist, multidisciplinary, energy services company that provides integrated, client-focused and cost-effective services in the oil and gas industry.

We are recruiting to fill the position below:

Job Title: Principal Design Engineer - Mechanical / Piping

Location: Port Harcourt, Rivers
Employment Type: Full-Time

Job Summary

  • The Principal Design Engineer - Mechanical / Piping will lead and manage the design and engineering of mechanical and piping systems for oil and gas projects.
  • This includes responsibility for engineering integrity, adherence to applicable codes and standards, and coordination of multi-disciplinary inputs.
  • The role plays a critical part in delivering safe, efficient, and cost-effective solutions across FEED, EPC, and brownfield modification projects.

Responsibilities
Design Engineering Leadership:

  • Lead the mechanical / piping design team across conceptual, FEED, detailed engineering, and EPC phases.
  • Prepare and review engineering deliverables including:
    • Piping and Instrumentation Diagrams (P&IDs)
    • General Arrangement (GA) drawings
    • Isometrics and support details
    • Equipment layout and datasheets
    • Line lists, valve lists, and tie-in schedules
  • Conduct pipe stress analysis, pressure drop calculations, and thermal expansion analysis using CAESAR II or equivalent tools.
  • Ensure proper selection of materials, valves, piping components, and supports in line with process requirements and Nigerian/International codes (ASME, API, ISO, NACE, etc.).

Standards & Compliance:
Ensure all designs are compliant with:

  • Nigerian Oil & Gas Industry Content Development (NOGICD) guidelines
  • Department of Petroleum Resources (DPR) regulations
  • Relevant international codes and standards (ASME B31.3, API 610 / 650, etc.)
  • Client-specific specifications and quality procedures

Project Coordination & Execution:

  • Coordinate with process, civil / structural, instrumentation, and electrical teams for integrated project delivery.
  • Interface with vendors and third-party contractors to ensure engineering specifications are met.
  • Participate in design reviews, model reviews (3D), HAZOPs, and constructability assessments.
  • Ensure timely delivery of engineering documents and support project controls in schedule and cost tracking.

Team Leadership & Mentorship:

  • Supervise and mentor junior engineers and designers.
  • Allocate design tasks and ensure quality, accuracy, and completeness of deliverables.
  • Conduct internal technical audits and peer reviews.
  • Promote HSE best practices in all engineering activities.

Client & Stakeholder Management:

  • Serve as the primary technical contact for clients on mechanical / piping scope.
  • Attend client meetings, provide technical presentations, and support project proposals or bidding efforts.
  • Prepare and submit technical reports, method statements, and design philosophies.

Qualification / Experience

  • Education: B.Eng / B.Sc. Degree in Mechanical Engineering from an accredited university (M.Sc. Degree an advantage).
  • Professional Certification: COREN registration is mandatory; membership of NSE, ASME, or API is a plus.
  • Experience: Minimum 8 years of relevant experience in oil and gas design engineering, with at least 5 years in a lead or principal engineering role on major projects in Nigeria or West Africa.

Software Proficiency:

  • CAESAR II (Pipe Stress)
  • AutoCAD / Plant 3D / PDMS / E3D / Navisworks
  • Microsoft Office, Bluebeam or other markup tools.

Skills & Competencies:

  • Strong understanding of oil & gas field development, pipelines, FPSOs, flow stations, refineries, and modular skids.
  • Deep expertise in mechanical equipment design and piping layout best practices.
  • Leadership and team-building skills with a focus on mentorship.
  • Excellent written and verbal communication.
  • Strong analytical and problem-solving ability.
  • Ability to work in multi-cultural, multi-disciplinary project teams.
  • Willingness to travel to site locations and project offices as required.

Application Closing Date
16th May, 2025.

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


  

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