Senior Optimization Engineer, Carbon Capture & Sequestration

ExxonMobil; Spring (TX); On-site; USD 110,000 - 170,000; Full time

Benefits offered by this job

Health benefits

Flexible work options

Retirement plan

Job summary

ExxonMobil is seeking an optimization engineer for the CCS100 team in the Houston area to advance core optimization models within our products. You will translate business requirements into model constraints and continuously iterate for realistic results, collaborating with analysts and data scientists.

You will drive simulations, validate strategies, and tune optimization parameters to deliver scalable, efficient solutions for energy technologies and emissions reductions.

Qualifications

• Degree in engineering, operations research, applied mathematics, or a related field.
• 3+ years of experience in optimization or mathematical modeling; able to work independently.
• Demonstrated Python programming experience.
• Strong written and verbal communication; ability to explain complex ideas to varied audiences.
• Demonstrated ability to learn and adapt in a rapidly changing business environment.
• Strong analytical and problem-solving skills.

Responsibilities

• Understand system constraints and translate them into model constraints and objectives.
• Collaborate with data scientists to develop surrogate models for nonlinear CCS system components.
• Update models to incorporate multiple timescales.
• Build optimization diagnostic tools to support self-service debugging of inputs.
• Conduct simulations and experiments to validate optimization models and strategies.
• Tune Gurobi optimization parameters to improve performance.
• Simplify solution algorithms to improve sustainability of models.
• Apply models to real business problems and present results to stakeholders.

Skills

Python

Optimization

Communication

Analytics

Adaptability

Education

Engineering degree

Operations Research

Applied mathematics

Tools

Gurobi

GurobiPy

Job description

About Us

At ExxonMobil, our vision is to lead in energy innovations that advance modern living while reducing emissions. 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.

About

Learn more about what we do in Houston here.

What Role You Will Play In Our Team

• As the optimization engineer for the CCS100 team, you will be responsible for the CCS optimization models at the core of our products. This includes the development, improvements and maintenance on the models.
• Lead in translating new requirements from the business into model constraints and objectives. Rapidly iterate on model updates to help the team achieve realistic results.
• Provide technical optimization support to the analysts using the product. Help debug infeasibilities and explain unexpected behavior

What You Will Do

• Work with business to understand the system constraints and incorporate them into the model. Ask detailed follow up questions to discover the real system constraints
• Work with the data scientists on the team to develop and improve surrogate models for the non-linear parts of the CCS system
• Update of existing models to incorporate multiple timescales
• Build out optimization diagnostic tools to support self service debugging of model inputs
• Conduct simulations and experiments to validate optimization models and strategies
• Tuning of the Gurobi optimization parameters to improve model performance
• Simplification of solution algorithms to improve model sustainability
• Apply your model to real business problems and present results to stakeholders

About You

Skills and Qualifications

• Degree in engineering, operations research, applied mathematics, or a related field with a focus on numerical optimization
• 3+ years of combined experience in technical roles working on optimization or mathematical modeling. Must be able to work on the optimization models independently with limited coaching and technical support
• Demonstrated python programming experience
• Good structured communication with ability to present complex ideas to a non-technical audience or describe detailed designs to a technical audience
• Demonstrated ability to learn & adapt in a rapidly changing business environment
• Strong analytical and problem-solving skills

Preferred Qualifications/Experience

• Experience with the Gurobipy package
• Experience in working within software development teams where optimization models are part of the product

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:

• 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 are subject exclusively to the terms of each plan’s governing documents and may be changed from time to time without notice, subject to applicable law.

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Equal Opportunity Employer

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.

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