Principal CAD Designer at International Energy Services Limited (IESL)


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 CAD Designer


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Location: Bonny Island, Rivers

Job Purpose / Objective

  • Manages the activities of TEA Drawing Office; including update of 2D/3D models for PDRs & SECs.
  • Ensure that all field verification works are carried out in a safe and efficient way
  • Manages the outputs of the various disciplines to ensure compliance to NLNG Asset Information.
  • Management procedures, standards and formats.

Duties & Responsibilities

  • Plan the implementation and close out of:
    • As built redlined PDR and SEC
    • Upgrading of documents,
    • Drafting / design request from NLNG departments and sections.
    • Supervises in the conversion to native files of NLNG Documents types and incorporate plant change information resulting from project activities using AutoCAD, MicroStation, GTXRaster CAD and Microsoft Office software,
  • Produce technical drawings and documentation on AutoCAD to support NLNG activities as required from projects and discipline in accordance with NLNG Asset Information Management procedures and applicable standards.
  • Coordinate in the preparation of technical designs for the draft works assigned the drawing office.
  • Review drawings to ensure alignment with NLNG’s approved procedures, standards, templates and formats.
  • Initiate improvements on NLNG CAD activities.
  • Incorporate as-built information on assigned drawings and related drawings in a controlled manner and upload into NLNG EDMS within the specified duration.
  • Maintain proper electronic filing system including revision control for all documents and drawings in hand.
  • Transfer non-standard file formats into the standardized formats ensuring uniform and complete information
  • Manage the filing system for all CADed drawings on NLNG live link in accordance to the file naming convention
  • Collate all reports from various disciplines for tasks assigned to the drawing office in an accurate and timely fashion.
  • Keep abreast changes to procedures, work instructions and control systems related to the function of drawing office and cascade to direct reports
  • Carry out all other activities assigned by Supervisor and Line Head.

Job Requirements

  • HND/B.Sc. or its equivalent in the relevant Engineering discipline is required for the job.


  • 12 years post graduate experience in the field of CAD and Design works, with a minimum of 6 years experienced on a similar position in the oil and gas sector.
  • Experience shall also include computer use of Microsoft Office as well as CAD specific software (AutoCAD, GTXRaster CAD, MicroStation, etc.

Application Closing Date
27th January, 2022.

How to Apply
Interested and qualified candidates should:
Click here to apply online

Click here for more information (PDF)


  • The Curriculum Vitae must be properly titled and uploaded (e.g CV_Data Analyst_Chukwu Abiola Ahmed)
  • Relevant Credentials, Professional and membership Certificates, where applicable, must be uploaded as a single PDF file
  • Application for more than 2 positions will be automatically disqualified.
  • Only applications received via the IESL online portal shall be considered.
  • Only Shortlisted Candidates will be contacted.
  • Any false information provided during or after the application process will lead to outright disqualification of such candidate(s).
  • If you have any challenge with the application portal, please email: [email protected] for support only.


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