Senior Reservoir Engineer

12-Month Contract
On-site at Spring Campus

ExxonMobil has been a leader in the energy sector for over 140 years. As ExxonMobil adapts to meet the increasing global demand for oil natural gas and refined products it is committed to playing a pivotal role in energy transition. ExxonMobils mission to fuel the world safely and responsibly has never been more important.

Together Raise and ExxonMobil are building teams that are rising to meet the worlds growing energy needs through the ExxonMobil Contingent Communitywhere skilled workers and unique contract opportunities meet.

Raise is taking applications for current openings like this one while building a diverse group of talent for future openings. When you apply for this role youll also be considered for upcoming positions that align with your skills and qualifications.

Note: Successful applicants will be employees of Raise Limited working at ExxonMobil facilities with both ExxonMobil employees and other contractors.

Overview

ExxonMobil is seeking a Reservoir Engineer to support Enhanced Oil Recovery (EOR) and Carbon Capture Utilization and Storage (CCUS) initiatives based out of its Spring Texas campus with remote work available. This is a one-year assignment focused on reservoir performance management technical evaluation and optimization of hydrocarbon recovery and CO₂ storage assets. The role centers on analytical reservoir engineering dynamic simulation modeling and forecasting to guide field development and investment decisions. It requires close partnership with geology drilling production facilities and commercial teams to maximize reservoir value and support ExxonMobils long-term asset development strategy.

Responsibilities

• Manage reservoir performance and lead technical evaluations of EOR assets to maximize hydrocarbon recovery CO₂ storage capacity and overall project value.
• Perform analytical reservoir engineering studies including material balance analysis decline curve analysis (DCA) pressure transient analysis (PTA) and production performance evaluations.
• Develop calibrate and maintain dynamic reservoir simulation models to support forecasting and strategic decision-making.
• Evaluate injection and production patterns to optimize reservoir sweep efficiency and improve field performance.
• Generate reservoir and economic forecasts to support asset management development planning and investment decisions.
• Assess field development opportunities and provide technical support for well interventions production enhancement and conformance improvement initiatives.
• Deliver technical recommendations to optimize production and injection strategies while balancing operational and economic objectives.
• Partner with geology drilling production facilities and commercial teams to develop integrated reservoir management solutions.
• Support storage containment assessments abandonment evaluations reserves estimation and regulatory compliance requirements.
• Contribute to annual reserves and volume certification processes technical documentation and audit support activities.

Qualifications

• Demonstrated experience in reservoir engineering including material balance analysis decline curve analysis (DCA) and pressure transient analysis (PTA).
• Hands-on experience supporting Enhanced Oil Recovery (EOR) assets and CO₂ storage or CCUS projects.
• Proficiency in dynamic reservoir simulation and modeling to support forecasting and decision-making.
• Experience evaluating injection and production patterns to optimize sweep efficiency and field performance.
• Familiarity with reserves estimation annual volume certification and regulatory compliance processes.
• Strong cross-functional collaboration skills with experience partnering across geology drilling production facilities and commercial teams.

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Raise is an established hiring firm with over 65 years of experience. We believe strongly in making the world a better place through work which is why were a certified B Corporation and donate 10% of our profits to charity.

We strive to build teams that reflect the diversity of the communities we work in. We encourage all qualified applicants to apply including people from traditionally underrepresented groups such as women visible minorities Indigenous peoples people identifying as LGBTQ2SI veterans and people with visible/nonvisible disabilities.

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