Unconventional Reservoir Engineer (Experienced)


Houston, TX, US

Company:  ExxonMobil


About us


At ExxonMobil, our vision is to lead in energy innovations that advance modern living and a net-zero future. As one of the world’s largest publicly traded energy and chemical companies, we are powered by a unique and diverse workforce fueled by the pride in what we do and what we stand for.


The success of our Upstream, Product Solutions and Low Carbon Solutions businesses is the result of the talent, curiosity and drive of our people. They bring solutions every day to optimize our strategy in energy, chemicals, lubricants and lower-emissions technologies. 


We invite you to bring your ideas to ExxonMobil to help create sustainable solutions that improve quality of life and meet society’s evolving needs. Learn more about our What and our Why and how we can work together.

About Houston


ExxonMobil's state-of-the-art campus north of Houston serves as home to its Upstream, Product Solutions and Low Carbon Solutions businesses and their associated service groups. The facility opened in 2014 and accommodates more than 10,000 employees and visitors.

By bringing many global functional groups together, the campus provides employees with the tools and capabilities needed today, and in the future, to achieve business objectives and accelerate the discovery of new resources, technologies and products. It was designed to foster improved collaboration, creativity and innovation and enhance the company’s ability to attract, develop and retain the top talent in the industry

The campus is located in Spring, Texas, on 385 wooded acres immediately to the west of Interstate Highway 45 (I-45), at the intersection of I-45 and the Hardy Toll Road, approximately 25 miles from the cultural vibrancy of downtown Houston

The campus was constructed to the highest standards of energy efficiency and environmental stewardship. Its design incorporates extensive research into best practices in building and workplace design through extensive benchmarking of the world’s top academic, research, and corporate facilities


Learn more about what we do in Houston here.

What role you will play in our team


  • Unconventional reservoir engineers are exposed to many facets of our unconventional oil resource, starting with acreage acquisition, through to planning for and executing development, development optimization, and production surveillance

  • Provide reservoir engineering technical support and expertise to its Conventional Oil & Gas development projects and production operations

  • Work with multi-discipline teams to support optimal asset development and operation

  • Leverage fundamental reservoir engineering skills in reservoir description, surveillance, performance prediction, economics, development planning, opportunity generation and production optimization

  • Typically engineers are responsible for all operated / non-operated / industry work within an assigned work area

  • The position is located at ExxonMobil campus in Spring, Texas

What you will do


  • Collaborate with integrated development team to optimize the plan for development which includes the generation of full life cycle volumes forecasts, securing funding for individual wells, forming appraisal schedules and optimizing development for midstream facility capacity

  • Review all new / existing well results and craft experimentation to illuminate opportunities to further drive economic improvements in wells / development plan

  • Optimize drillwell execution plans (flowback, choke ramp schedule, data collection, etc.)

  • Document development plan, on a by well basis, as part of the annual reserves and resource assessment; communicate changes in expectations / data needs to broader development team

  • Work closely with mergers, acquisitions & divestments financial modelers to establish transactional values, and facilitate the purchase and trading of acreage  

About you

Skills and Qualifications


  • Bachelor’s degree in Engineering required - preferably Petroleum, Chemical, or Mechanical

  • A minimum of 5 years of experience in Reservoir Engineering

  • Demonstrated work experience in unconventional developments

  • Ability to complete decline curve analysis, develop drillwell locations, perform economic evaluations, and prepare area for reserve report review

  • Proficiency in Aries, Excel, Word, RTA analysis, Spotfire and other industry software

  • Candidates should be self-motivated and focused on achieving business results while working in a multi-disciplinary team. Demonstrated teamwork, communication and leadership skills are essential


Preferred Qualification/ Experience 


  • Demonstrated work experience with performing acquisition evaluations

  • Data analytics

  • Foundational reservoir engineering skills, such as competency in rock and fluid properties

  • Experience integrating advanced diagnostic and/or reservoir simulation work products into reservoir engineering analysis

  • General industry knowledge

Your Benefits


An ExxonMobil career is one designed to last. Our commitment to you runs deep: our employees grow personally and professionally, with benefits built on our core categories of health, security, finance, and life


We offer you: 


  • Pension Plan: Enrollment is automatic and at no cost to you. The basic benefit is a monthly annuity to be paid to you in retirement for the rest of your life

  • Savings Plan: You can contribute between 6% and 20% of your pay and are encouraged to enroll right away. If you contribute at least 6% to your savings plan, the Company will contribute a 7% match

  • Workplace Flexibility: We have several programs such as “Flex your Day”, providing ad-hoc flexibility around when and where you work, as well as longer-term programs such as leaves of absence and part-time work

  • Comprehensive medical, dental, and vision plans

  • Culture of Health: Programs and resources to support your wellbeing. 

  • Employee Health Advisory Program: Provides confidential professional counseling for you and your family, including tools and resources promoting mental health and resiliency at no additional cost to you

  • Disability Plan: Income replacement for when you cannot work due to illness or injury occurring on or off the job. Enrollment is automatic and at no cost to you


More information on our Company’s benefits can be found at www.exxonmobilfamily.com


Please note benefits may be changed from time to time without notice, subject to applicable law

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ExxonMobil is an Equal Opportunity Employer.  All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, sexual orientation, gender identity, national origin, citizenship status, protected veteran status, genetic information, or physical or mental disability.


Nothing herein is intended to override the corporate separateness of local entities. Working relationships discussed herein do not necessarily represent a reporting connection, but may reflect a functional guidance, stewardship, or service relationship. 


Exxon Mobil Corporation has numerous affiliates, many with names that include ExxonMobil, Exxon, Esso and Mobil. For convenience and simplicity, those terms and terms like corporation, company, our, we and its are sometimes used as abbreviated references to specific affiliates or affiliate groups. Abbreviated references describing global or regional operational organizations and global or regional business lines are also sometimes used for convenience and simplicity. Similarly, ExxonMobil has business relationships with thousands of customers, suppliers, governments, and others. For convenience and simplicity, words like venture, joint venture, partnership, co-venturer, and partner are used to indicate business relationships involving common activities and interests, and those words may not indicate precise legal relationships.

Nearest Major Market: Houston

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