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You will join the Upstream business unit that develops a competitive and unique portfolio in the sector, with a carbon intensity well below the industry average. It comprises projects at different stages of maturity, from exploration to production. In addition to promising assets in Namibia and São Tomé and Príncipe, the portfolio includes one of the largest oil and natural gas discoveries of recent decades: in the pre-salt Santos basin in Brazil.
Job Responsibility:
Compressively and independently manage reservoir engineering discipline scopes across multiple assets, with business focus
Own and deliver reservoir engineering studies for assigned assets across the asset life cycle
Build, maintain, and quality-control dynamic reservoir models and associated forecasts
Provide clear, structured, and decision-oriented recommendations to Asset Teams and management
Act as technical authority for reservoir engineering studies within assigned assets
Ensure technical consistency, robustness, and full traceability of assumptions, methodologies, and results
Proactively identify value opportunities (production acceleration, recovery improvement, risk reduction)
Support mentoring and technical development of junior reservoir engineers
Support new business opportunities screening, review, and technical assurance
Act as a key integration pivot of critical decision making disciplines and scopes
Lead and/or support R&D initiatives
Requirements:
Strong reservoir engineering fundamentals
Advanced dynamic simulation capability (history matching and forecasting) using Eclipse and Intersect
Proven experience influencing well testing, well completion, development concepts, well phasing, and production strategies
Reservoir engineering studies execution, including integration of well test data into forecasts and simulations
Reserves and Resources classification expertise
Uncertainty framing and scenario-based decision support
Ability to translate complex technical work into clear business implications