Reservoir Engineer at Renaissance Africa Energy Company Limited

Job Purpose

• The Reservoir Engineer will work within a dynamic, high‑performing, multi‑disciplinary team, providing technical expertise across one of the following areas, depending on role assignment:

Studies:

• Apply sound scientific and engineering principles tdeliver reservoir insights, dynamic modelling, and Field Development Planning for onshore and shallow‑water assets in Nigeria. 
• The role focuses on understanding and predicting reservoir performance, generating production forecasts and resource volume estimates tsupport investment decision‑making, financial planning, and regulatory reporting.

Operations:

• Provide Reservoir Engineering support for the delivery of top‑quartile well proposals, well execution activities (new wells, workovers, and abandonment), and the structured capture and documentation of learnings from delivered well projects. 
• The role alsprovides Reservoir Engineering discipline support Field Management teams across the wider Asset organisation, particularly in WRFM and hydrocarbon resource management activities.

Responsibilities

Studies Reservoir Engineer:

• Analyse production and pressure data tevaluate reservoir behaviour and performance trends; contribute tmaterial balance and decline curve analyses.
• Build, update, and run dynamic reservoir simulation models, including sensitivity analyses tevaluate development scenarios and key uncertainties.
• Support hydrocarbons in place and reserves estimation in line with industry standards, contributing treserves documentation, reporting, and audit processes.
• Provide high quality Reservoir Engineering input tField Development Planning (FDP) studies, including concept screening, well placement, development strategy definition, and production forecasting.
• Support well performance analysis and identify optimisation opportunities in collaboration with production and operations teams.
• Gather, validate, and manage reservoir and production data, ensuring integrity, traceability, and consistency for studies and modelling.
• Prepare clear, concise technical reports, presentations, and study documentation, effectively communicating assumptions, results, and uncertainties.
• Present discipline and integrated work tTechnical Authorities and, where required, regulatory bodies.
• Work closely with Geoscience, Petroleum Engineering, Wells, Facilities, and Operations teams tdeliver integrated subsurface studies.
• Support probabilistic assessments and scenarievaluations (P10/P50/P90) tinform risk based decision making.
• Ensure DEP compliance and documented assurance of Pore Pressure Prediction estimates for new wells and all well entry activities, including abandonment.

Operations Reservoir Engineer:

• Build, maintain, and quality assure integrated static and dynamic reservoir models tsupport reserves estimation and development planning.
• Generate production forecasts and quantify uncertainties tsupport investment decisions and resource maturation.
• Provide Reservoir Engineering input across pre and post DG3 stages, supporting concept selection, development optimisation, and execution readiness.
• Contribute tField Development Plans (FDPs), including phased development strategies and regulatory submissions.
• Analyse reservoir and well performance using surveillance data, simulation, and analytical techniques (e.g. material balance).
• Identify, mature, and implement opportunities timprove recovery, production efficiency, and overall asset value.
• Deliver technical recommendations on well placement, spacing, and trajectories, aligned with reservoir management objectives.
• Provide Reservoir Engineering input tdrilling, completion, intervention, and workover activities.
• Work within multi disciplinary teams (Geoscience, Wells, Facilities, Operations) tdeliver integrated subsurface and development outcomes.
• Ensure alignment between subsurface understanding and surface facility constraints.
• Ensure compliance with Design Engineering Practices (DEPs), company standards, and applicable regulatory requirements.
• Support pore pressure prediction and well entry assurance activities.
• Coordinate Technical Assurance reviews and ensure timely close out of actions with Technical Authorities (TA1/TA2).
• Ensure high quality data management, validation, and governance for reservoir and production datasets.
• Leverage digital tools and workflows tenhance modelling, forecasting, and decision making.

Job Dimensions:

Studies Reservoir Engineer:

• Delivery of approximately 20–30 dynamic reservoir models per year in support of Field Development Plans.
• Well planning input for 10–20 new drill and sidetrack wells annually.

Operations Reservoir Engineer:

• Support delivery of approximately: 
• 7–10 new drill wells per year
• 3–4 workovers per year
• 3–4 abandonment wells per year.

Support across three major Asset clusters (Field Management Teams) comprising: 

• 30 active fields (over 60 discovered fields)
• 380 wells (producing and shut in with potential)
• 180 reservoirs.

Operational support for approximately: 

• 2+1 rigs/HWU
• 5 intervention units.

Supervisory Level: Individual Contributor 

Requirements

• Minimum of Bachelor's Degree in Petroleum Engineering or related discipline with at least 8 years relevant work experience.
• Strong grounding in core Reservoir Engineering principles, including reservoir performance analysis, reserves estimation, and reservoir simulation, with a solid understanding of related subsurface disciplines. 
• Proven experience in reservoir modelling, production forecasting, and integrated Field Development Planning, with demonstrated ability tidentify and mature opportunities that enhance recovery, production sustainability, and overall asset value. 
• Proficiency in reservoir engineering and productivity software tools. Experience with industry standard applications such as Petrel ECLIPSE, OFM, MBAL, and PVTp is an advantage. 
• Strong analytical and problem-solving skills, with the ability tinterpret complex reservoir and production data tsupport technical studies and decision making.

The successful candidate should demonstrate:

• Good understanding of related Petroleum Engineering and Geoscience disciplines, including Production Geology (PG), Petrophysics (PP), Production Technology (PT), and Geophysics (GPH).
• Good understanding of Subsurface HSE Critical Uncertainties and Design Engineering Practices (DEPs) as they relate Field Development Planning (FDP), Well Proposal delivery, and well execution activities.
• Skilled level competence in communication, technical reporting, and collaborative teamwork.
• Proven interpersonal, influencing, and stakeholder management skills, with the ability tengage effectively across disciplines.
• Ability toperate confidently in complex and uncertain environments, demonstrating adaptability and sound judgement.