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 Development 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. Repsol’s student employment program offers the following advantages. 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. About the Role The Development Engineering Intern will support our Facilities and Process Engineering teams in the design, optimization, and execution of surface facilities and infrastructure supporting upstream oil and gas development. This role offers hands‑on exposure to project engineering, process modeling, facility design, production optimization, and field development planning. Interns will work alongside experienced Development Engineers on real projects involving cost estimation, process simulations, equipment sizing, data analysis, and project execution for oil, gas, and water handling systems. Key Responsibilities Facilities & Process Engineering Assist in the design, modeling, and optimization of surface facilities, including: Oil, gas, and water separation equipment Storage, treating, and measurement systems Compression, dehydration, and artificial lift support systems Perform basic process simulations (e.g., heat/mass balance, fluid flow, equipment performance) using software tools such as Aspen HYSYS, ProMax, or similar. Support equipment sizing calculations and development of preliminary PFDs and P&IDs. Project Engineering & Execution Help prepare project scopes of work, cost estimates, bid packages, and project schedules. Participate in project reviews, contractor meetings, and field site visits. Conduct data gathering and field verification to support engineering and construction activities. Assist with project documentation, including MOCs, construction packages, and as‑built drawings. Field Development Support Support development planning activities such as facility debottlenecking studies, infrastructure assessments, and economic analyses. Analyze production, pressure, and facility performance data to identify optimization opportunities. Support cross‑functional collaboration with Production, Drilling & Completions, Land, HSE, and Operations. Required Qualifications 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. Currently pursuing a Bachelor’s or Master’s degree in Mechanical, Chemical, Petroleum Engineering, or a related engineering discipline. Students with an expected graduation 2028-2029 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. Proficiency with Microsoft Excel and other engineering calculation tools. Ability to communicate technical information clearly to engineers and field personnel. Strong interest in data analysis, business analytics, problem-solving, and critical thinking. Ability to work with data and derive meaningful insights. Preferred Qualifications Coursework or project experience in: Thermodynamics, fluid mechanics, heat transfer Process design and controls Facility and equipment design Project management or engineering economics Experience with simulation tools such as HYSYS, ProMax, or PIPEPHASE. Previous internship or field experience in oil and gas, energy, or industrial facilities. Working knowledge of P&IDs, PFDs, and equipment datasheets. What You Will Gain Exposure to real engineering challenges within active oil & gas assets. Experience collaborating with multidisciplinary teams. Field experience observing operations and construction activities. Mentorship from experienced Development, Facilities, and Process Engineers. Opportunities to contribute to meaningful projects that impact production, efficiency, and safety. Internship Details: Position will be based out of our office in The Woodlands, TX. Interns are expected onsite Monday-Friday, with the exception of 9/80's. The 9/80 schedule is optional per the manager's discretion, based on intern project scope and timeline. Non-local candidates may be considered but must arrange their own travel and temporary accommodations. A summer stipend will be provided to help offset out of pocket expenses. Students must be available for the full duration of the internship from May 17-Aug 6. Any personal time off must be approved by the supervisor as unpaid leave and should be noted with the recruiter as early as possible. Interns will receive an hourly wage but are not eligible for benefits or paid time off. Interns will be compensated for observed company holidays. Repsol is an Equal Opportunity Employer – Gender/Disability/Ethnicity/Veteran #LI-CR1 If you do not find any vacancy that fits your profile, leave us your CV through the following link: 75337 ¡Únete a nuestro equipo!/ Join our team! (Evergreen) (Open) At Repsol, more than 24,000 people work with full energy to help build the future. We are a global multi-energy company undergoing a profound transformation, where talent, curiosity and a drive to move forward are at the core of who we are. Here, you will find challenging projects, diverse and international teams, and the opportunity to be part of a real energy transition, driven by innovation, technology and people. We believe in an inclusive, flexible and collaborative environment where every idea counts and every person makes a difference. This is an exciting time for us: if you are inspired by challenges, driven by purpose and eager to grow in a project with real impact, this is the place for you. Now more than ever, we need energy like yours. #joinus Get to know us better Repsol worldwide Get to know our team Caring for the world

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