SENIOR MECHANICAL DESIGN ENGINEER

MAIN FUNCTIONS

• Develop, review, and approve mechanical engineering designs for oil & gas, petrochemical, industrial, and infrastructure projects.
• Prepare mechanical design calculations, equipment specifications, datasheets, layouts, and technical documentation in accordance with project requirements.
• Design and engineer mechanical systems, equipment, piping interfaces, and associated facilities based on approved project specifications and applicable codes and standards.
• Review mechanical design inputs, project specifications, client requirements, process data, and engineering deliverables to establish design criteria.
• Develop and review equipment layouts, general arrangements, mechanical drawings, piping arrangements, and installation details.
• Perform mechanical calculations including equipment sizing, pressure and temperature requirements, loads, stresses, hydraulic considerations, and other design parameters as applicable.
• Prepare and review technical specifications and datasheets for static equipment, rotating equipment, packages, tanks, vessels, pumps, compressors, heat exchangers, and other mechanical systems.
• Review vendor drawings, calculations, data sheets, and technical submissions to verify compliance with project requirements.
• Coordinate mechanical design activities with Process, Piping, Civil/Structural, Electrical, Instrumentation, Materials, and other engineering disciplines.
• Identify and resolve interdisciplinary design clashes, interface issues, and constructability constraints.
• Conduct design reviews, technical evaluations, value engineering studies, and constructability assessments.
• Ensure mechanical designs comply with applicable codes, standards, regulations, and client specifications, including ASME, API, ASTM, ISO, and relevant project standards.
• Provide technical guidance and mentoring to junior and intermediate mechanical engineers and designers.
• Lead or participate in technical meetings with clients, contractors, vendors, and multidisciplinary engineering teams.
• Review engineering calculations, drawings, specifications, material requisitions, purchase requisitions, and other mechanical deliverables for technical accuracy.
• Provide engineering support during procurement, fabrication, construction, installation, testing, commissioning, and start-up activities.
• Respond to technical queries, Requests for Information (RFIs), site queries, and requests for design clarification.
• Investigate design-related problems and develop technically sound and cost-effective solutions.
• Participate in HAZID, HAZOP, design reviews, SIL-related activities where applicable, risk assessments, and other project technical reviews.
• Ensure all engineering deliverables are produced in accordance with approved project schedules, quality requirements, document control procedures, and engineering standards.
• Monitor design progress and coordinate deliverables to ensure engineering milestones are achieved.
• Review as-built documentation and incorporate approved field changes into final engineering deliverables.
• Support preparation of technical reports, engineering studies, design basis documents, calculations, and project specifications.
• Identify opportunities to improve equipment reliability, maintainability, safety, constructability, and lifecycle cost.
• Ensure engineering activities comply with company HSE policies and applicable statutory and regulatory requirements.
• Perform other duties as assigned by the Lead Mechanical Engineer or Engineering Manager.

QUALIFICATIONS & EXPERIENCE

• Bachelor’s degree in Mechanical Engineering or a closely related engineering discipline.
• Typically 8–12 years of relevant mechanical engineering/design experience, preferably within oil & gas, petrochemical, energy, or major industrial projects.
• Proven experience delivering mechanical engineering and design packages for complex projects.
• Strong knowledge of mechanical equipment design, equipment specification, layouts, mechanical systems, and engineering calculations.
• Experience with static and rotating equipment, including pressure vessels, heat exchangers, pumps, compressors, tanks, and packaged equipment.
• Strong understanding of mechanical design codes and standards, including ASME, API, ASTM, ISO, and applicable client/company standards.
• Experience reviewing vendor documentation, equipment datasheets, drawings, calculations, and technical bids.
• Ability to interpret and produce mechanical drawings, equipment layouts, general arrangements, and design documentation.
• Experience working within multidisciplinary engineering teams and coordinating mechanical interfaces with piping, process, civil/structural, electrical, and instrumentation disciplines.
• Strong understanding of constructability, fabrication, installation, commissioning, and maintenance requirements.
• Proficiency in relevant engineering and design software such as AutoCAD, SolidWorks, Plant 3D, Navisworks, or equivalent tools, depending on project requirements.
• Strong analytical, technical writing, problem-solving, communication, and leadership skills.
• Ability to review and approve technical deliverables and provide mentorship to less-experienced engineers.
• Professional engineering registration or membership with a recognized engineering institution is an advantage.

Pay: ₦200,000.00 - ₦300,000.00 per day

Work Location: In person