Sr. Economic Optimization Engineer

Exxon Mobil Corporation; Baytown (TX); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Pension Plan

Savings Plan

Workplace Flexibility

Medical, dental, and vision

Wellbeing programs

Disability Plan

Job summary

Exxon Mobil Corporation in Baytown is seeking an Economist to guide refinery and chemicals production planning and economic optimization. You will provide strategic insights to improve site profitability through analysis, coordination, and long-term planning, collaborating across Refining, Olefins, Chemicals, and Supply & Trading.

The role emphasizes formal economic modeling, leadership, and cross-functional teamwork in a global operations context.

Qualifications

• Bachelor’s degree in Engineering, Economics, Mathematics or related field preferred.
• Knowledge of Chemicals or Refining plant operations, process flows and product economics.
• Experience with economic LP modeling software used for Production Plans.

Responsibilities

• Provide economic operating signals for Baytown area and optimize manufacturing operations.
• Identify and drive near-term opportunities while communicating long-term risks and challenges.
• Collaborate with Refining, Olefins, Chemical Plants and stakeholders to align economic strategies and circuit models.
• Complete monthly Run Plan assessments to highlight profitability drivers and key items for management alignment.
• Generate economic and PIMS analysis to support turnarounds, major projects and capacity reviews.
• Provide technical leadership and mentorship to strengthen economics capabilities across the organization.

Skills

Economic analysis

Manufacturing economics

PIMS modeling

Cross-functional collaboration

Education

Bachelor's degree or higher

Tools

Aspen Unified Planning

Aspen PIMS

Job description

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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.

What role you will play on our team

Join the Baytown Economics team and play a key role in guiding refinery and chemicals production planning and economic optimization. As an Economist, you will provide strategic insight to enhance site profitability through economic analysis, coordination, and business planning. You will collaborate across Refining, Olefins, Chemicals, Supply & Trading, and corporate stakeholders to identify opportunities, provide economic operating signals, and support long-term decision making. This job is within ExxonMobil Global Operations with opportunities to collaborate across global teams, central headquarters, and other manufacturing sites. Operations can be both challenging and rewarding, and we are looking for motivated individuals interested in long‑term careers.

What you will do

• Provide overall guidance on economic operating signals for the Baytown area and support optimization of integrated manufacturing operations.
• Identify, evaluate, and drive near‑term business opportunities while communicating longer‑term opportunities, risks, and strategic challenges.
• Collaborate with Refinery, Olefins Plant, Chemical Plant, and business stakeholders to promote consistency in economic strategies and circuit model optimization. This includes influencing maintenance timing and pairings with Operations teams to maximize margin.
• Complete monthly 90‑Day Run Plan assessments to highlight profitability drivers, economic signposts, and key operational focus areas. Share this with upline management to align on the key profitability items.
• Generate economic and PIMS analysis to support turnarounds, major projects, capacity exception reviews, and investment opportunities.
• Provide technical leadership, mentorship, and guidance to peers while strengthening economics capabilities across the organization.

About you

Skills and Qualifications

• Bachelor’s degree in Engineering, Economics, Mathematics, or a related discipline is preferred - applicant must demonstrate a solid understanding of Manufacturing Processes and information systems
• Knowledgeable of Chemicals or Refining plant operations, process flows, and product economics with target 6‑15 years site experience
• Demonstrated capability with Aspen Unified Planning, Aspen PIMS, or equivalent economic LP modeling software used to develop Production Plans for manufacturing sites

Preferred Qualifications

• Proven ability to identify, evaluate, and drive business opportunities that improve profitability and operational performance.
• Experience supporting annual business planning, turnaround evaluations, capital project economics, or related economic optimization activities.
• Knowledge of Supply and Trading practices and/or project development processes is preferred.
• In addition to strong technical background in process flows and financial close, successful candidates will demonstrate innovative thinking, strong initiative, and exemplary communication skills with the ability to interact effectively with peers, across organizational boundaries, and in diverse and globally dispersed teams
• Demonstrated ability to handle multiple priorities and stakeholders and be able to influence and promote change to achieve desired results with no direct authority

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.

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

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.

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