Process 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: Process Engineer

Location: Lagos 
Employment Type: Contract

Key Responsibilities
Baseline Study & Data Analysis:

• Gather, validate, and analyze production and process data across facilities.
• Conduct comprehensive baseline studies to identify production losses and constraints.
• Evaluate facility performance including separation, treating, compression, and utilities systems.

Process Simulation & Modelling:

• Develop, review, and update process simulation models.
• Perform hydraulic analysis and flow assurance studies for pipelines and flowlines.
• Validate system capacities and identify bottlenecks.

Production Optimization & Debottlenecking:

• Identify opportunities to improve throughput and production efficiency.
• Perform debottlenecking studies on separators, compressors, heaters, and treating systems.
• Optimize process systems including crude treatment, gas handling, and produced water management.

Field Support & Site Activities:

• Participate in site visits to validate field data and assess operational constraints.
• Provide technical input for feasibility of proposed solutions.
• Prepare site visit reports with findings and recommendations.

Engineering Design & Deliverables:

• Develop key engineering deliverables including:
• Process Flow Diagrams (PFDs)
• Piping & Instrumentation Diagrams (P&IDs)
• Utility Flow Diagrams (UFDs)
• Process simulations and hydraulic studies
• Prepare line sizing calculations, equipment lists, and tie-in schedules.
• Support development of complete engineering packages for selected opportunities.

Multi-Disciplinary Coordination:

• Collaborate with mechanical, instrumentation, piping, and electrical teams.
• Contribute to Basis of Design, HAZOP, and other engineering reviews.
• Support integrated engineering deliverables and project execution plans.

Performance Tracking & Reporting:

• Support development of production performance tracking frameworks.
• Maintain updated facility capacity models and constraint maps.
• Provide regular progress and technical reports.

Requirements & Qualifications:
Educational Qualification:

• Bachelor’s Degree in Chemical Engineering or related discipline

Experience:

• Minimum of 5–10 years in oil & gas process engineering
• Strong experience in production optimization and process simulation

Certifications:

• COREN registration or relevant process engineering certification

Technical Competencies:

• Process simulation tools (HYSYS, Aspen Plus, Pipe Phase)
• Hydraulic and flow assurance analysis
• Process design and debottlenecking
• Knowledge of oil & gas production systems
• Familiarity with API, ASME, and industry standards

Application Closing Date
20th May, 2026.

How to Apply
Interested and qualified candidates should send their CV to: recruitment@ieslglobal.com using the Job Title as the subject of the email.