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Reservoir Engineer Advisor (Intermediate)


Job Location:

Spring, TX - USA

Hourly Salary: USD 150 - 164
Posted: 23 September 2026 (16 hours ago)
Application Deadline: 21 December 2026
Vacancies: 1 Vacancy

Job Summary

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 Simulation Reservoir Engineer to support the Guyana Enterprise business units Liza-Payara assets. This is a backfill role on a growing reservoir team created as the group takes on additional scope within the asset. The individual will join a team of 12 reservoir engineers reporting to the Reservoir Supervisor and receiving day-to-day technical direction from a Technical Team Lead with close collaboration alongside geoscience counterparts to build and maintain the simulation model. The role runs on an initial one-year contract with strong potential for extension based on performance and team fit and calls for a hands-on simulation expert who can also translate model outputs into economic evaluations.

Responsibilities

  • Perform detailed reservoir simulation studies in Petrel RE and Intersect to evaluate depletion schemes and investigate technical issues within the Liza-Payara assets representing roughly 70% of the role.
  • Translate simulation model outputs into economic evaluations including NPV IRR and other return metrics to support opportunity evaluation and infill well placement decisions representing roughly 30% of the role.
  • Provide guidance to support the Reservoir Leadership Team in achieving desired performance objectives and maintaining high technical standards.
  • Develop plans and programs as required by the Reservoir Management team and guide fellow reservoir engineers in implementing them.
  • Perform depletion plan assessments to support the company in asset acquisition evaluations cost allocation and opportunity evaluation.
  • Perform related studies necessary to support simulation work including PVT inflow/outflow relative permeability SCAL and other evaluations.
  • Lead and/or participate in peer reviews to help ensure high technical standards are maintained.
  • Support risk assessments and uncertainty analysis studies including value-of-information assessments for data acquisition plans.
  • Provide necessary input to drilling facilities and other groups as needed to support projects.
  • Mentor less experienced reservoir engineers in simulation and other studies.
  • Document results in a clear comprehensive format in both written and graphic form and provide timely updates to management and partners.
  • Develop and deliver technical presentations and share safety-related lessons learned across the project and company.

Qualifications

Required Qualifications

  • 5 years of hands-on experience in reservoir engineering within the oil and gas industry actively running simulations as an individual contributor rather than in a purely managerial capacity.
  • Demonstrated experience in reservoir simulation including performing and guiding detailed simulation studies.
  • Experience evaluating various depletion schemes and investigating technical issues using dynamic simulation models.
  • Recent hands-on proficiency in Petrel RE and Intersect ideally within the last 1 to 1.5 years.
  • Experience translating reservoir simulation outputs into economic evaluations such as NPV IRR and other return metrics tied to infill well placement and opportunity evaluation.
  • University degree in Engineering or equivalent.
  • Exceptional knowledge of reservoir engineering fundamentals and technical skills.
  • Ability to identify issues and solutions and conduct reservoir evaluations independently.
  • Strong interpersonal and communication skills with the ability to communicate and influence across levels from senior management to individual contributors.
  • Working knowledge of reservoir management practices processes and expectations.
  • Ability to work effectively within an integrated cross-functional project team.
  • Proficient in Microsoft Office; fluent in reading writing and speaking English.

Preferred Qualifications

  • Prior ExxonMobil experience.

Looking for meaningful work We can help

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.

We have a dedicated webpage for accommodations where you can learn more about what we offer and request accommodation: order to submit candidates for roles our clients will sometimes require personal information to confirm the identity of applicants and their legal status to work. Raise will never ask you for personal or banking information unless you have been selected for a job. If you are ever unsure about the legitimacy of this or another job posting by Raise (or have any other questions) please contact us at 1 or

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Required Experience:

Unclear Seniority