Senior Reservoir Engineer

NES Fircroft; Aberdeen City; Hybrid; GBP 70,000 - 110,000; Full time

Benefits offered by this job

Accommodation

Market-leading benefits packages

Job summary

NES Fircroft is seeking a Senior Reservoir Engineer to join the UK Subsurface team from Aberdeen on a hybrid basis. The role focuses on delivering production enhancement and resource additions across multiple non-operated assets, supported by robust subsurface work and stakeholder engagement.

You will mentor junior staff, contribute to production forecasts, and align technical work with joint venture partners and operators to maximise asset value.

Qualifications

• MSc in Reservoir Engineering or related discipline.
• Fully developed reservoir engineering skillset.
• Proven expertise delivering complex reservoir projects with uncertainty analysis.
• Strong ability to influence technical and business decisions in multidisciplinary and JV environments.
• Proficiency with industry-standard reservoir engineering software.

Responsibilities

• Provide subsurface decision support for non-operated assets, framing key decisions and uncertainties.
• Develop and maintain an independent technical position through integrated subsurface evaluation.
• Influence operators and co-venturers to maximise asset value.
• Define and deliver reservoir engineering work programmes across multiple assets.
• Maintain production forecasts in line with mid- and long-term plans.
• Mentor junior staff and share best practices.

Skills

Reservoir engineering

Uncertainty analysis

Reservoir simulation

Field development

Influence and communication

Education

MSc in Reservoir Engineering

Tools

Reservoir simulation software

Job description

Senior Reservoir Engineer

Location: Aberdeen (Hybrid)

Department: Subsurface

Purpose of the Role

• Reservoir Engineer within the UKBU Operated by Others (OBO) multidisciplinary subsurface team.
• Deliver opportunities for production enhancement and resource additions by influencing operators and joint venture partners, underpinned by robust subsurface technical work.
• Responsible for multiple assets across the OBO portfolio.

Key Responsibilities Areas of Accountability

• Provide subsurface decision support for non-operated assets, framing key decisions, identifying critical uncertainties, and providing clear recommendations to management.
• Provide independent technical assurance and challenge of operator evaluations, focusing on uncertainties and assumptions material to value and decision quality.
• Develop and maintain an independent technical position through integrated subsurface evaluation.
• Build technical alignment between the company, operators, and co-venturers to enable effective decision-making and maximise asset value.
• Define and deliver reservoir engineering work programmes in support of business strategy across multiple assets.
• Identify, mature, and influence operators to deliver opportunities for production enhancement and resource growth.
• Maintain production forecasts in support of mid and long-term business plans.
• Mentor junior staff.
• Interface with and leverage technical expertise to influence subsurface team priorities and work programmes.
• Represent the company at external joint venture workshops, subsurface workgroups, and technical committee meetings.

Daily Activities

• Develop technical recommendations to support subsurface, asset, and investment decisions.
• Generate production forecasts to support key business decisions using appropriate techniques, including analogue analysis, decline curve analysis (DCA), material balance, and simulation models.
• Review, challenge, and assure operator reservoir engineering evaluations and recommendations.
• Analyse and integrate production, pressure, fluid, and surveillance data to identify opportunities, risks, and key uncertainties.
• Evaluate production enhancement and new well opportunities.
• Perform reserves assessments.
• Monitor and support specialists and contractors managing reservoir engineering projects.
• Provide reservoir engineering input to internal and external business approvals, partner engagements, and technical committee meetings.
• Share technical knowledge and best practices across teams.
• Participate in the emergency response rota if required by the position.

Skills, Qualifications & Experience Technical Experience

• Fully developed reservoir engineering skillset.
• Proven expertise in delivering complex reservoir engineering projects incorporating uncertainty analysis.
• Recognised specialist in multiple reservoir engineering disciplines, with a strong understanding of how technology supports business objectives.
• Expertise in reservoir engineering disciplines including:
  • Field development
  • Reservoir simulation
  • Material balance
  • Pressure transient analysis
  • Fluid properties
  • Decline curve analysis
  • Reserves evaluation
• Demonstrated ability to identify, develop, execute, and evaluate business opportunities.
• Experience conducting technical reviews and assurance of subsurface evaluations.
• Strong track record of influencing technical and business decisions within multidisciplinary and joint venture environments.
• Ability to integrate subsurface, wells, facilities, operational, commercial, and economic considerations into technical recommendations.
• Sound working knowledge of industry-standard reservoir engineering software packages.

Qualifications

• MSc in Reservoir Engineering or a related discipline.

Personal Attributes

• Communicates ideas clearly, credibly, and persuasively with a focus on achieving desired outcomes.
• Actively listens and collaborates effectively while considering alternative perspectives.
• Demonstrates a commitment to developing others through coaching, mentoring, and constructive feedback.
• Takes ownership of individual and team success.
• Builds strong multidisciplinary relationships and promotes collaboration.
• Uses technical expertise to achieve results while coordinating with stakeholders across different functions.
• Adapts effectively to change and embraces new ways of working.
• Anticipates and proactively manages potential conflicts.
• Solves complex problems by balancing competing priorities and identifying innovative solutions.
• Consistently delivers high-quality work within agreed timelines.
• Promotes a positive, collaborative, and inclusive team culture.
• Demonstrates awareness of HSE standards, company policies, and business management systems.
• Acts in accordance with company values, business principles, and ethical standards.

With over 90 years' combined experience, NES Fircroft (NES) is proud to be the world's leading engineering staffing provider spanning the Oil & Gas, Power & Renewables, Chemicals, Construction & Infrastructure, Life Sciences, Mining andManufacturingsectors worldwide. With more than 80 offices in 45 countries, we are able to provide our clients with the engineering and technical expertise they need, wherever and whenever it is needed. We offer contractors far more than a traditional recruitment service, supporting with everything from securing visas and work permits, to providing market-leading benefits packages and accommodation, ensuring they are safely and compliantly able to support our clients.