Zelco Engineering Services Ltd. is an engineering service company providing support to the extractive industry including oil and gas and mining sectors. Zelco boasts of expertise gathered from global hands-on experience both from operator and main contractor perspective. Our network of both local and international engineers puts us up as a viable choice.


The work is varied and may include some or all the responsibilities mentioned below:

  • Mechanical design and structural analysis of pressure vessels and piping systems.
  • Preparation of conceptual and detail design packages, including optioneering, design development, concept evaluation.
  • Design by rule scoping calculations including calculation of pressure thickness, nozzle reinforcement, etc.
  • Equipment sizing, selection (including material selection) and procurement.
  • Piping, pipe support and piping layout design.
  • Production of manufacturing packages, coordination with manufacturer/contractor, review of vendor drawings/documents.
  • Preparing conceptual and detailed equipment & piping layouts, piping isometrics.
  • Production of deliverables such as design definition and substantiation documents, detailed equipment specifications, pipe material specifications, system performance test specifications.
  • Design of pipe supports & spring supports, performing flexibility analysis.
  • Operational design support, failure investigations and condition assessment.
  • Liaising with all stakeholders and responsible for all technical issues related to their area of specialisation; Co-ordination with other discipline specialists where areas interface or overlap exist.
  • Witness pre-commissioning/commissioning activities by the contractor/vendor and produce/review all relevant documentation.


Candidate should possess the following qualifications, skills and experience.

  • Degree in Mechanical/Chemical or relevant engineering.
  • Above 7 years of experience in Power, Oil & Gas Mining or other highly regulated industrial environment preferred.
  • Design experience in piping, pipe support and pipe layout.
  • Experience in mechanical design and assessment.
  • Proficiency in static, dynamic and thermal stress analysis.
  • Exposure to piping fabrication, installation, testing.
  • Demonstrable knowledge of design projects, or relevant experience/knowledge of process plant operations is desirable.
  • Experienced with analysis software such as Abaqus, CAESAR II, Autopipe, Pipestress, Abaqus, STAAD or RSTAB. Proficiency in software tools like CAEPIPE, AutoCAD; knowledge of PDS, PDMS and other equipment design platforms highly desirable.
  • A good understanding and experience working on specification of equipment such as pumps, valves, steam traps etc.
  • Knowledge of material selection.
  • Understanding of other relevant engineering disciplines.
  • Familiar with international design codes and standards (such as: ASME BPVC Section III, RCC-M, ASME B31.1,BS EN 13480 and BS EN13445) and recommended practices pertaining to mechanical design, fabrication, installation, inspection, testing, quality assurance and quality control etc.
  • Ability to work independently or as part of team, flexible attitude to the type of work and the level of responsibility accepted.
  • Proven computer aptitude, and expertise in MS office.
  • Experience or exposure to project management principles desirable.
  • Ability to understand and define client’s requirements, plan & schedule deliverables, timelines.
  • Proven strong problem solving, organizational and interpersonal skills.
  • Excellent written and verbal communication and presentation skills with a proven ability to write accurate, detailed and concise technical reports (e.g. design substantiations, basis of analysis, safety case support references).

How To Apply

Interested applicants should:

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