Reservoir Engineering Intern

We explore and discover the limitless possibilities of energy so we can all progress. We believe in the power of talent to shape the future. That's why we're looking for curious, bold individuals who are eager to grow and create new ways forward-people who want to join us in building a more sustainable, innovative, and inclusive world.

We strongly believe that diversity fuels creativity and innovation. That's why we welcome professionals who are ready to grow, learn, and bring their perspective to the energy challenges of today and tomorrow.

Here, you'll find a place to grow and unlock your full potential.

Repsol is seeking an engineering student to intern with the Reservoir Engineering Team during the summer of 2027.

Repsol is one of the top companies in the oil and gas industry. We are present across the entire value chain: exploration and production, transformation, development, and marketing of energy that is efficient, sustainable, and competitive for millions of people.

Repsol is committed to our internship program and helping students enhance their academic studies with real-world, hands‑on projects. As an intern, you'll work on real projects that deliver tangible benefits and measurable results. At the same time, you'll have the opportunity to learn about and help to solve some of the most important issues we face. You will experience genuine teamwork, and work alongside highly qualified and experienced colleagues, while you work on live projects and operations.

At the end of your internship, you will present your summer project to our staff.

• Mentoring by experienced professionals in your field.
• Increasing levels of challenge and responsibility as skill and industry knowledge grow.
• The opportunity to gain hands‑on experience and apply your academic knowledge.
• Exposure to different technical groups across the company.
• Technical and software training.

• The successful candidate will be assigned a project within an area of interest to be supervised by a senior member of the Reservoir Engineering Team.
• The role of the Unconventional Reservoir Engineer Intern is to support the Subsurface Development team in the evaluation of mid to long term strategic alternatives/ options to ensure the value of the Asset is maximized.
• Support the Subsurface Development Team to maintain an up to date, integrated geophysical and geological model of the subsurface.
• Support the Subsurface Development Team in utilizing this model, develop and characterize a complete inventory of capital investment opportunities ("drilling inventory") on Company lands.
• Support the Subsurface Development Team to provide G&G input to allow maintenance of an up-to-date assessment of resource potential.
• Support the Subsurface Development Team to characterize the capital investment inventory for input in strategic plans and budgets.
• Support the Subsurface Development Team in the calculation / determination of the annual reserve process including optimizing reserve additions, compliance with internal / external reserve auditors, and any related reserve reporting requirements.
• Support the Subsurface Development Team in the development of an annual capital program for the asset consistent with strategic plan for budget approval, and steward the capital budget over the year.
• Support the Subsurface Development Team in the ongoing analysis of the integrated schedule to optimize and enhance value of the Asset.
• Support the Subsurface Development Team in maintaining and updating an accurate and compliant assessment of reserves and resource position.
• Identify process improvement opportunities to ensure assets are resilient at any commodity price.
• Ability to effectively work within a multidiscipline team and matrix organization.
• Ability to establish a strong communication channel with the field personnel.
• Coordinate field visits with your supervisor.

• Fully authorized to work for any employer in the US without sponsorship now or in the future. Additionally, we are not authorized for employment under OPT/CPT/F1 visa programs.
• Successful completion of 2 years towards a Bachelor's (or higher) in an Engineering discipline - Petroleum and Geosciences preferred, but open to other engineering disciplines.
• Students with an expected graduation  are encouraged to apply (juniors or sophomores). May 2027 graduates may only be considered if enrolled in a post-graduate program.
• Must have cumulative and major GPA of 3.3 or higher, to be confirmed with transcript (unofficial transcript is acceptable).
• Must be available for a continuous 12-week period for the duration of the 2027 summer intern program, starting May 17th and ending on August 6th.
• Preference for candidates with some internship experience, ideally within oil & gas but not required.

• Strong interest in data analysis, business analytics, problem-solving, and c