Jr. Reservoir Engineer

, Poland Job Family Group: Information and Data Worker Type: Regular Posting Start Date: July 1, 2026 Business Unit: Projects and Technology Experience Level: Experienced Professionals The annual base salary range for this position: zł84,000.00 - zł124,800.00 Individual pay will be based on various factors such as relevant work experience, education, certifications, skill level, seniority, and internal equity. Job Description: What’s the role You will be supporting the Reservoir Engineering team within the Well, Reservoir, and Facility Management (WRFM) community. In collaboration with various subsurface and reservoir engineers across assets, you will primarily focus on streamlining and documentation of the data management process. You will play an essential role in enabling accurate and timely data extraction for review processes and support assets in capturing critical fluid, pressure, and reservoir property data, while helping manage key subsurface uncertainties. With a foundational understanding of reservoir performance analysis and hydrocarbon volumes, you will contribute to improving how reservoirs are understood and managed while developing your technical expertise in a collaborative and dynamic environment. What you’ll be doing As a Jr. Reservoir Engineer, you will support asset teams by ensuring accurate data management, enabling effective analysis, and contributing to key reporting processes. This role is essential in driving high-quality subsurface insights, supporting reserves evaluation, and enhancing production forecasting using industry-standard tools. This role will focus on the following principal accountabilities: Work closely with Assets & Reservoir Engineer in maintaining and providing necessary access and data for various reservoir studies and reviews Understand and provide support on necessary reports and workflows during the annual reporting cycles (internal and external) Support Reserves Reporting, Subsurface Benchmarking, and Portfolio Analysis Integrate subsurface data types such as production, and pressures to present meaningful insights using industry-standard data visualization tools; perform quality checks and connect with relevant stakeholders for verification/rectification Support Assets with Reserves estimation and classification, Decline Curve Analysis (DCA) based Production Forecasting, Well Test interpretation, and MBAL Modelling Participate in the reservoir engineering network and share key achievements and challenges Be a team player and assist other colleagues in reservoir engineering workflows as required What you bring The ideal candidate should demonstrate a strong potential in reservoir and subsurface data management and analysis. Qualifications & Skills: University degree in Geoscience, Reservoir Engineering, Petroleum Engineering, or similar Fresher or early career talents with 1-2 years of experience in any one of these areas - Field Development Planning, Reservoir Studies, Production Forecasting, Subsurface Benchmarking, Annual Reserves Reporting Basic understanding of various data types such as production, injection, fluid, pressure, and reservoir properties Data management, analysis, integration and visualization skills with working knowledge in Python, VBA/Power Query, Spotfire, PowerBI would be an advantage Understanding of end-to-end Upstream Asset Development Practical knowledge of Continuous Improvement methods to drive process simplification Willing to relocate to Poland; hybrid model (minimum of 3 days on-site) What we offer You bring your skills and experience to Shell and in return you work with talented, committed people on one of the most important challenges facing our planet. You’ll have the opportunity to develop the skills you need to grow in an environment where we value honesty, integrity, and respect for one another. You’ll be able to balance your priorities as you become the best version of yourself. Progress as a person as we work on the energy transition together. Continuously grow the transferable skills you need to get ahead. Work at the forefront of technology, trends, and practices. Collaborate with experienced colleagues with unique expertise. Achieve your balance in a values-led culture that encourages you to be the best version of yourself. Benefit from flexible working hours, and the possibility of remote/mobile working. Perform at your best with a competitive starting salary and annual performance related salary increase – our pay and benefits packages are considered to be among the best in the world. Take advantage of paid parental leave, including for non-birthing parents. Join an organisation working to become one of the most diverse and inclusive in the world. We strongly encourage applicants of all genders, ages, ethnicities, cultures, abilities, sexual orientation, and life experiences to apply. Grow as you progress through diverse career opportunities in national and international teams. Gain access to a wide range of trai