Senior Reservoir Engineer

TotalEnergies Group; København; On-site; DKK 828,000 - 1,104,000; Full time

Benefits offered by this job

Pension contribution

Employee share ownership program

Wellbeing and insurance benefits

Flexible working practices

Training and development opportunities

Job summary

TotalEnergies in Copenhagen is seeking a Senior Reservoir Engineer to drive high-value subsurface studies, reserves evaluations, and development projects within a diverse asset portfolio. You will lead simulations, forecast production, and collaborate with geoscience teams to deliver practical, value-driven solutions.

The role requires 10–15 years of experience, a strong command of reservoir modelling, and the ability to mentor junior engineers while communicating complex concepts clearly to

Qualifications

• Master's degree, PhD or equivalent qualification in Reservoir Engineering, Petroleum Engineering or a related discipline.
• ≈10–15 years of reservoir engineering experience.
• Strong experience in reservoir simulation and dynamic reservoir modelling.
• Proven ability to work autonomously within reservoir engineering activities.
• Experience participating in integrated subsurface studies and field development projects.
• Operational experience within asset teams, affiliates or integrated geoscience and reservoir studies.
• Strong communication, influencing and stakeholder management skills.
• Experience mentoring and coaching less experienced engineers.
• Professional fluency in English.

Responsibilities

• Validate and interpret reservoir data to support field and discovery evaluations.
• Coordinate specialist studies required for the construction and maintenance of reservoir simulation models.
• Perform reservoir simulations and dynamic reservoir analyses in partnership with geologists and geophysicists.
• Develop production forecasts, reserves evaluations and uncertainty assessments for development scenarios.
• Identify opportunities for reservoir optimisation, field redevelopment and future appraisal programmes.
• Support integrated asset studies and contribute to decision-making on field development projects.
• Apply advanced reservoir engineering methodologies and simulation techniques when required.
• Present technical recommendations and study outcomes to stakeholders and governance forums.
• Mentor and coach junior reservoir engineers and contribute to capability development across the organisation.
• Promote strong HSE behaviours and continuous improvement in all activities.

Skills

Subsurface problem solving

Strong communication

Stakeholder management

Mentoring

Team collaboration

Education

Master's degree / PhD in Reservoir Engineering or related

Tools

Reservoir simulation software

Job description

At TotalEnergies, we believe that our people are our greatest strength. Joining us means becoming part of a diverse global organization where expertise, innovation, and collaboration drive our success. We offer opportunities to develop your skills, grow your career, and contribute to the energy transition while benefiting from a competitive and comprehensive total rewards package.

Are you passionate about reservoir engineering and eager to influence the development of complex oil and gas assets?

If yes, then this position at TotalEnergies in Copenhagen could be your next career move.

We are looking for a Senior Reservoir Engineer to join our Reservoir Engineering team. In this role, you will contribute to high-value subsurface studies, reservoir management activities, reserves evaluations and development projects across a diverse international asset portfolio.

You will work in a multidisciplinary environment alongside geologists, geophysicists, drilling and wells professionals, production engineers and development teams, helping to deliver innovative and fit-for-purpose technical solutions that support both business performance and long-term value creation.

Key Responsibilities

As a Senior Reservoir Engineer, you will:

• Validate and interpret reservoir data to support field and discovery evaluations.
• Coordinate specialist studies required for the construction and maintenance of reservoir simulation models.
• Perform reservoir simulations and dynamic reservoir analyses in partnership with geologists and geophysicists.
• Develop production forecasts, reserves evaluations and uncertainty assessments for development scenarios.
• Identify opportunities for reservoir optimisation, field redevelopment and future appraisal programmes.
• Support integrated asset studies and contribute to decision-making on field development projects.
• Apply advanced reservoir engineering methodologies and simulation techniques when required.
• Present technical recommendations and study outcomes to stakeholders and governance forums.
• Mentor and coach junior reservoir engineers and contribute to capability development across the organisation.
• Promote strong HSE behaviours and continuous improvement in all activities.

Who We Are Looking For

You thrive in a technically challenging and collaborative environment. You enjoy solving complex subsurface problems, influencing multidisciplinary teams and delivering practical solutions that create business value.

We are looking for a strong team player who demonstrates curiosity, initiative and the ability to communicate complex technical concepts clearly to a broad range of stakeholders.

Your Background

We expect that you have:

• A master's degree, PhD or equivalent qualification in Reservoir Engineering, Petroleum Engineering or a related discipline.
• Approximately 10 to 15 years of reservoir engineering experience.
• Strong experience in reservoir simulation and dynamic reservoir modelling.
• Proven ability to work autonomously within reservoir engineering activities.
• Experience participating in integrated subsurface studies and field development projects.
• Operational experience within asset teams, affiliates or integrated geoscience and reservoir studies.
• Strong communication, influencing and stakeholder management skills.
• Experience mentoring and coaching less experienced engineers.
• Professional fluency in English.

Total Rewards Package

As part of our commitment to fair and transparent remuneration practices, the base salary range for this position is DKK 828.000 - 1.104.000 annually, reflecting the expected level and scope of the role.

In addition to the base salary, we offer an annual performance-based bonus, pension contribution, employee share ownership program participation, wellbeing and insurance benefits, flexible working practices, training and development opportunities.

The final salary offer will be determined based on objective criteria such as qualifications, relevant experience, competencies, role scope, responsibilities, organizational needs, and market alignment.

About TotalEnergies in Denmark

TotalEnergies has been active in Denmark for more than 50 years and is one of the country's leading energy companies. With approximately 1,000 employees across Copenhagen, Esbjerg and offshore locations, we play a significant role in Denmark's energy supply while supporting the transition towards lower-carbon energy solutions.

Contact

For questions regarding this position, please contact Talent Developer Gulmaral Bokayeva at [e-mail]