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Motiva Enterprises LLC

Lead Process Engineer

Houston, TX, United States

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Job details

Apply by: Nov 17, 2026
Experience: 8+ years of relevant engineering experience in refining, petrochemical, chemical, or comparable industrial environments.
Posting language: English
Posted: Nov 9, 2026

Original job description

At Motiva, our employees’ energy, passion, and dedication to excellence are what make us who we are and what allows us to generate energy that makes a house a home, gets us from point A to point B, and enables our health and wellbeing. We invest in every aspect of our employees’ lives because, at Motiva, our people matter.

Headquartered in Houston, Texas, Motiva refines, distributes and markets petroleum products throughout the Americas. The company’s Port Arthur Manufacturing Complex in Port Arthur, TX, is comprised of North America’s largest refinery with a total throughput of 720,000 barrels per day, the largest base oil plant in the western hemisphere, and an integrated chemical plant. Under exclusive long-term brand licenses with Shell and Phillips 66 (for the 76® brand), Motiva’s commercial operations supply more than 12 billion gallons of fuel to customers annually. Motiva is wholly owned by Aramco, one of the world’s largest integrated energy and chemicals companies.

Position Overview:

The Lead Process Engineer provides process engineering leadership across the development and execution of large, complex capital projects. The role leads process engineering scope, ensures process design integrity, drives optimization and risk management, and provides technical direction from concept selection through detailed design, construction, commissioning, and start-up.

Responsibilities:

Lead process engineering across concept selection, front-end engineering, detailed design, procurement, construction support, commissioning, and start-up.
Serve as the process engineering technical lead for assigned projects and ensure design integrity, operability, safety, and alignment with project objectives.
Establish process design basis, engineering requirements, technical priorities, and discipline execution expectations.
Lead optimization of product yield and quality, equipment sizing, catalyst performance, energy efficiency, chemical consumption, emissions, alarm philosophy, and project economics.
Review and approve process simulations, heat and material balances, PFDs, P&IDs, control narratives, operating philosophies, equipment process specifications, and other critical deliverables.
Lead process engineering participation in HAZOPs and project risk identification and mitigation activities.
Provide technical oversight and quality assurance for EPC contractor, licensor, vendor, and internal process engineering work.
Resolve complex process design issues and provide technical recommendations for major project decisions.
Ensure appropriate interfaces among Process, Process Safety, Mechanical, I&C, Electrical, Environmental, Operations, and Project Management.
Provide process engineering leadership through construction, commissioning, performance testing, start-up, and operational handover.
Mentor process engineers and provide technical guidance across the project organization.
Lead lessons learned and identify opportunities to improve process engineering standards and project execution.

Experience and Qualifications:

Required Education and Experience

Bachelor’s degree in Chemical Engineering or a related discipline.
8+ years of relevant engineering experience in refining, petrochemical, chemical, or comparable industrial environments.
Extensive process engineering experience in refining, petrochemical, chemical, or comparable industrial facilities.
Demonstrated experience leading process engineering scope for major capital projects, including front-end engineering and detailed design.
Expertise in process design, simulation, process safety, and engineering risk management.
Proven ability to lead technical scope and influence decisions across multidisciplinary project teams.

Preferred Education and Experience

Professional Engineer license.
Experience working with or for engineering contracting companies.
Advanced experience with Aspen HYSYS, SimSci, PI System, or similar tools.
Experience supporting commissioning, performance testing, and start-up of large capital projects.
Working knowledge of API, ASME, and OSHA Process Safety Management requirements.

We reserve the right to amend or withdraw Motiva jobs at any time, including prior to the closing date. Depending on qualifications, the successful candidate may be offered a position at a more appropriate level and/or grade.

Applicants for regular U.S. positions must be authorized to work in the United States for Motiva Enterprises LLC without the need for sponsorship of an immigration authorization or visa (for example, TN, H-1B, or other employment-based immigration authorization or visa).

Motiva participates in E-Verify.

All qualified applicants will receive consideration for employment without regard to race, color, sex, national origin, age, religion, disability, sexual orientation, gender identity, protected veteran status, citizenship, genetic information, or other protected status under federal, state, or local laws.

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More about this job

Skills

Process engineering
Leadership
Design process
Risk management
Procurement
Energy efficiency
Quality assurance
Project management
Chemical engineering
P.Eng.

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