Principal Reservoir Engineer

Category; Oman; On-site; OMR 46,000 - 69,000; Full time

Job summary

Shell Oman Upstream seeks a Principal Reservoir Engineer to provide technical leadership in reservoir engineering and tight gas expertise, ensuring performance and safety across assets.

You will mentor teams, define workflows, calibrate models, and deliver forecasts with uncertainty ranges, while engaging JV partners and regulators to align asset strategy.

Qualifications

• Degree in Petroleum Engineering; Master’s preferred.
• 20+ years of reservoir engineering experience.
• Certified Reservoir Engineering TA2 (mandatory).
• Experience in JV environments and complex asset portfolios.

Responsibilities

• Provide technical authority for reservoir engineering and tight gas.
• Lead development of fit-for-purpose workflows, tools and practices.
• Deliver hydrocarbon resource estimation, forecasting and uncertainty analyses.
• Ensure model calibration and robust formation pressure predictions.
• Coordinate with JV partners, regulators and internal technical authorities.

Job description

Industry Delivery Platform Analytics & Vendor Operations

Job Family Group: Petroleum Engineering

Worker Type: Regular

Job description

Oman

Job Family Group: Petroleum Engineering

Worker Type: Regular

Posting Start Date: June 15, 2026

Business Unit: Upstream

Experience Level: Experienced Professionals

Job Description: This role involves developing, directing, and applying advanced technical expertise in petrophysics to support the design, implementation, and optimization of reservoir evaluation processes.

As a Principal Reservoir Engineer, the position provides strategic leadership and technical authority in ensuring that products, technologies, and workflows meet defined performance standards and operational objectives.

Key Accountabilities:

• Technical Authority – Reservoir Engineering & Tight Gas
  • Serve as tight gas SME, providing expert guidance on reservoir characterization, stimulation, and production forecasting
  • Act as Technical Authority (TA2) for reservoir engineering, ensuring adherence to Shell standards and technical integrity
  • Define and deploy fit-for-purpose workflows, tools, and best practices across assets
  • Provide expert input into well design, fracture diagnostics, and production surveillance
  • Drive technology deployment and innovation, leveraging global learnings
  • Define and assure Well & Reservoir Management and surveillance and data acquisition requirements to support development and safe operations
• Reservoir Engineering Delivery & Assurance:
  • Hydrocarbon resource estimation, classification, and reporting in line with corporate and regulatory standards
  • Integrated production and injection forecasts with clear uncertainty ranges
  • High-quality reservoir simulation modelling and analytical evaluations
  • Ensure calibration of models and volumes to actual field performance
  • Deliver robust formation pressure predictions, pore pressure management, and reservoir risk assessments
  • Ensure technical quality through formal peer reviews, assurance processes, and compliance with standards
• HSSE & Risk Management: Accountable for HSSE-critical reservoir engineering activities, i.e.
  • Pore pressure prediction, H₂S prediction and associated risk management
  • Ensure compliance with safety standards, and Life-Saving Rules
• Strategic Planning & Portfolio Stewardship:
  • Contribute to and influence asset development strategies and long-term portfolio plans
  • Support decision-making and investment cases with robust technical inputs
  • Align subsurface outcomes with portfolio value delivery and business objectives
  • Support JV governance and stakeholder engagements
  • Support the Portfolio Growth opportunities in Oil and Gas assets under the ambit of Shell Oman
• Integration & Stakeholder Management:
  • Lead integration across subsurface, wells, facilities, and operations
  • Act as a key interface with JV partners, regulators, and internal technical authorities
  • Build strong alignment between asset teams and corporate functions
• Leadership & Capability Development:
  • Lead, coach, and develop reservoir engineering talent and tight gas capability
  • Provide guidance on competency development, succession planning, and resource deployment
  • Foster a culture of technical excellence, assurance, and continuous improvement
  • Promote knowledge sharing and external engagement

Skills & Competencies

• Strong Reservoir Engineering Skills with demonstratable expertise to Mastery level competencies in :
  • Reservoir performance evaluation and forecasting with reference to tight gas and conventional oil and gas development related to multiple recovery mechanisms.
  • Resource estimation and reserves reporting
  • Reservoir Simulation Modelling and Uncertainty Management
  • Evaluate/manage impact of key subsurface uncertainties
  • Reservoir Engineering HSE Critical activities such as Managing Pore Pressure and H2S prediction
  • Production Forecasting: generating production (and injection) forecasts for all fluids produced and injected with uncertainty ranges, using the appropriate tools and techniques

Experience & Qualifications:

• Degree in Petroleum Engineering or related discipline (Master’s preferred)
• 20+ years experience in Reservoir Engineering
• Demonstrated expertise in tight gas / unconventional reservoirs
• Experience in JV environments and complex asset portfolios
• Certified Reservoir Engineering TA2 (mandatory)

Shell is an Equal Opportunity Employer.

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