2026USH Reservoir Technology Development Engineer

Exxon Mobil; Spring (TX); On-site; USD 140,000 - 220,000; Full time

Benefits offered by this job

Pension Plan

Savings plan

Workplace flexibility

Medical-dental-vision plans

Job summary

ExxonMobil seeks a Reservoir Engineer - Advanced to deliver independent reservoir support across asset development and operations for both new and mature fields. You will apply advanced reservoir engineering concepts, customize workflows, and mentor junior engineers.

The role operates within Technology Development and requires collaboration with cross-functional teams to identify unmet needs in reservoir simulation and address them through innovative solutions.

Qualifications

• Ph.D. in Petroleum Engineering required or similar terminal degree.
• Proficiency in computational methods for reservoir simulation and fluid mechanics problems.
• Experience with PDE-based modeling and multi-disciplinary teamwork.

Responsibilities

• Apply reservoir engineering, computational, and data science methods to advance reservoir performance.
• Develop innovations for upstream and low-carbon business applications.
• Role based at the ExxonMobil campus in Spring, TX and collaborate with stakeholders.

Skills

Computational methods

PDE

Teamwork & leadership

Data science

Education

Ph.D. in Petroleum Engineering

Tools

INTERSECT / Petrel RE

Python

Job description

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Location: Spring, TX, US, 77389

Company Name: ExxonMobil

About us

For well over a century, ExxonMobil has been at the heart of creating and growing a modern world. We embrace the power and promise of technology, pushing the boundaries of what's possible. For billions around the world, lives are better and last longer because of the innovative problem solving and reliable energy we provide. And when it comes to developing industrial solutions to reduce carbon emissions, ExxonMobil is truly the leader.

We don't stop at "good enough." We are committed to doing what's right, even if it's difficult or unpopular. We hold ourselves to high standards, challenge what's possible and invest in innovation to meet society's critical needs.

Real change begins with bold questions, drive, and ambition. Here, your talent, determination and contributions shape how far you'll go and the impact you'll make along the way.

Our future success depends on exceptional people. We invest in developing talent through meaningful work, challenging assignments, mentorship, and experiences that help build the next generation of leaders.

Our Culture

We are uniquely ExxonMobil. Integrity, care, excellence, resilience and courage, these core values determine how we work every day. At ExxonMobil, our values aren't just words— they're how we show up, focused on delivering the right answer, the right way, every day.

Job Role Description

The Reservoir Engineer - Advanced delivers independent and integrated reservoir support to all stages of asset development and operations for new and mature fields, including project technical support and technology deployment. This role is expected to apply advanced reservoir engineering concepts, customize workflows, and mentor junior engineers.

What You Will Do

Key Responsibilities:

As a Reservoir Engineer in Technology Development, you will:

• Apply your reservoir engineering, computational, and data science skills to innovate and advance our understanding and ability to predict reservoir performance.
• Develop innovations that will be implemented across our upstream and low-carbon businesses to support our strategic goals.
• This role is based at the ExxonMobil campus in Spring, Texas.

Primary Duties

• Collaborate with ExxonMobil business units, subject matter experts, and other stakeholders to identify unmet needs in reservoir simulation capabilities.
• Work with team members to develop and mature solutions addressing these needs.
• Support the commercialization of solutions through IT and other channels.
• Serve as a subject matter expert (SME) in reservoir simulation technology, advising business unit staff on advanced applications.
• Engage with external entities such as university consortia and professional conferences.

What We Look For

Qualifications and Skills

Required:

• Ph.D. in Petroleum Engineering (less than 3 years from graduation).
• Proficiency in computational and data science methods for solving reservoir simulation and fluid mechanics problems.
• Experience with computational methods for solving partial differential equations (PDE).
• Demonstrated ability to work in multi-disciplinary teams, with strong teamwork, communication, and leadership skills.

Preferred:

• Experience with machine learning (ML) or artificial intelligence (AI).
• Proficiency in Python or other software prototyping languages.
• Experience with INTERSECT / Petrel RE.
• Familiarity with uncertainty quantification, assisted history matching, reduced-order modeling, or surrogate modeling.

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.

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

Alternate Location:

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

Job Segment: Thermal Engineering, Developer, Engineer, Technical Support, Engineering, Technology