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Refinery Engineer Jobs in Texas (NOW HIRING)

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Refinery Engineer information

See Texas salary details

$55.4K

$104K

$189.1K

How much do refinery engineer jobs pay per year?

As of Aug 26, 2026, the average yearly pay for refinery engineer in Texas is $104,002.00, according to ZipRecruiter salary data. Most workers in this role earn between $75,000.00 and $123,400.00 per year, depending on experience, location, and employer.

What is a refinery engineer?

Refinery Engineers are professionals who design, operate, and optimize processes in oil refineries to convert crude oil into usable products such as gasoline, diesel, and jet fuel. They are responsible for ensuring the efficiency, safety, and environmental compliance of refinery operations. Their duties often include troubleshooting equipment, improving process performance, and implementing new technologies to maximize output and minimize waste. Refinery Engineers typically have a background in chemical or process engineering and work closely with other engineers, operators, and maintenance personnel.

What are the key skills and qualifications needed to thrive as a refinery engineer?

To thrive as a Refinery Engineer, you need a solid background in chemical or mechanical engineering, process optimization, and safety standards, typically supported by a relevant engineering degree. Familiarity with process simulation software (such as Aspen HYSYS), industry regulations, and certifications like Professional Engineer (PE) licensure are commonly expected. Strong problem-solving, teamwork, and effective communication skills set outstanding engineers apart in managing complex operations. These abilities are crucial for ensuring safe, efficient, and cost-effective refinery performance in a highly regulated industry.

What are some typical challenges refinery engineers face when working on process optimization projects?

Refinery Engineers often encounter challenges such as balancing process efficiency with safety and environmental regulations, integrating new technologies with legacy systems, and troubleshooting complex process issues. Coordinating with multidisciplinary teams—like operations, maintenance, and environmental compliance—is essential to ensure changes are practical and sustainable. Adaptability and strong communication skills are key, as process optimization projects can involve shifting priorities and tight deadlines.

What is the difference between Refinery Engineer vs Process Engineer?

AspectRefinery EngineerProcess Engineer
CredentialsBachelor's in Chemical, Mechanical, or Petroleum Engineering; Professional Engineer (PE) license often preferredBachelor's in Chemical, Mechanical, or Industrial Engineering; PE license optional
Work EnvironmentRefineries, petrochemical plants, industrial facilitiesManufacturing plants, chemical processing facilities, industrial settings
Industry UsagePrimarily in oil refining and petrochemical industriesBroader across manufacturing, chemical, and process industries

Refinery Engineers focus specifically on oil refining processes, safety, and optimization within refineries, while Process Engineers work across various industries to improve manufacturing processes. Both roles require similar technical skills and credentials but differ mainly in industry focus and work environment.

What does a refinery engineer do?

A refinery engineer designs, develops, and oversees the processes used to convert crude oil into usable products like gasoline, diesel, and jet fuel. They monitor equipment, optimize operations for safety and efficiency, and ensure compliance with environmental regulations, often using control systems and requiring technical certifications. Their work environment is typically a refinery or chemical plant, and they may work shifts to maintain continuous operations.

What job categories do people searching Refinery Engineer jobs in Texas look for?

The top searched job categories for Refinery Engineer jobs in Texas are:

What cities in Texas are hiring for Refinery Engineer jobs?

Cities in Texas with the most Refinery Engineer job openings:

Infographic showing various Refinery Engineer job openings in Texas as of August 2026, with employment types broken down into 94% Full Time, 3% Part Time, and 3% Contract. Highlights an 85% Physical, 6% Hybrid, and 9% Remote job distribution, with an average salary of $104,002 per year, or $50 per hour.

2027 University Intern - Refining Engineer

Sweeny, TX • On-site


Phillips 66
Oil and Gas Extraction • 10K+ employees

7.4

Company rating: 7.4 out of 10

Based on 89 frontline employees who took The Breakroom Quiz

49th of 87 rated oil and gas companies

People enjoy working here

Good employer

Recommended by students


$2.5K - $3.4K/wk

Internship

Posted 13 days ago


Job description

As a 2027 University Intern - Refining Engineer, you will gain hands-on experience through meaningful projects that help build your technical and professional skills at Phillips 66. Our Refining operations are comprised of global refining, marketing and transportation of petroleum products and related specialty businesses. Through its refining business segment, Phillips 66 is upgrading crude oil and other feedstocks into higher-value petroleum products including clean-burning gasoline, ultra-low-sulfur diesel, jet fuel, lubricants, petroleum coke and other specialty products while maintaining a high regard for safety and environmental limitations.

Summer internship activities may include the following:

  • Orientation, training events, field trips, social activities, weekly seminars and opportunities to meet and interact with functional business leaders and executives.
  • Participating in continuous coaching conversations with your manager, who will provide direction throughout your internship.
  • Provided with an assigned mentor for further guidance and to help you with the technical challenges of your role and give assistance in navigating through the day-to-day questions regarding working in the corporate world.
  • Giving a presentation at the end of the summer to senior business leaders and key stakeholders. This is an opportunity for you to demonstrate what you learned in your internship and provide insight on your experience.

Potential internship locations include: Linden, NJ; Lake Charles, LA; Roxana, IL; Ferndale, WA; Rodeo, CA; Borger, TX; Ponca City, OK; Sweeny, TX.

What You'll Do

An Engineering summer internship with Phillips 66 Refining will allow you opportunities to make contributions that support our Refining organizations:

  • Projects are chosen to provide a clear view of what an engineering professional does within Phillips 66. Areas of focus may include optimization of an existing process, improving energy efficiency, handling key logistics, improving equipment reliability, monitoring emissions or completing permit applications, optimizing the use of equipment by finding and eliminating defects, using sophisticated modeling and data analysis software tools. Each project will address an area of importance to the business.
  • Work side-by-side with experienced engineers and network with other interns.
  • An introduction to company practices, procedures and technical tools, technical training classes, participating in technical networks, and on-the-job training.

What You'll Bring - Required

  • Legally authorized to work in the job posting country
  • Currently enrolled in a Bachelor's or Master's degree program in Chemical Engineering, Mechanical Engineering, Electrical Engineering, Materials Science/Corrosion, Metallurgical Engineering, Civil Engineering, or equivalent field of study
  • Greater than 30 hours of earned college credit
  • Graduation date of August 2027 or later
  • Available for a minimum of eleven continuous weeks
  • Must be able, with or without reasonable accommodation, to maintain face daily so that a respirator/face mask can seal properly (some examples include being free of facial hair or clean shaven)
  • Willing and able to obtain a Transportation Worker Identification Card (TWIC)

What Makes You Stand Out - Preferred

  • A minimum cumulative GPA of 3.0 on a 4.0 scale
  • Previous internship with Phillips 66
  • Previous internship or co-op participant in related industry
  • Willing to work in any of our operating locations
  • Valid driver's license

Compensation Range 

This position has a pay range of $2,564 - $3,418 bi-weekly, dependent on a candidate's degree type and expected graduation date.

To apply and be considered:

  • Apply online by going to careers.phillips66.com. and complete the entire application process
  • Attach an electronic copy of your resume
  • Answer all prescreening questions and provide your eSignature

This position will be subject to a post-offer background check, which could include criminal history screening, in accordance with applicable federal, state, and local laws. We are committed to fair hiring practices and comply with all relevant regulations, including 'Ban the Box' and Fair Chance laws. All qualified applicants will be considered regardless of criminal history, and any background check will be conducted only after a conditional offer of employment has been made.

Candidates for regular U.S. positions must be a U.S. citizen or national, or an alien admitted as permanent resident, refugee, asylee or temporary resident under 8 U.S.C. 1160(a)(1). Individuals with temporary visas such as E, F-1, H-1, H-2, L, B, J, or TN or who need sponsorship for work authorization now or in the future, are not eligible for hire.

About Phillips 66

Providing Energy. Improving Lives. We are excited about the future of energy. Our advantaged and nimble company is full of seasoned leadership and talented teams making responsible choices to adapt and explore the opportunities the changing market brings. We do this while living out our values of safety, honor and commitment; improving lives by providing access to the energy which is essential to a high standard of living and health throughout the world. Our employees, suppliers and partners share this vision to provide energy and improve lives. Our hard work, and teamwork, keeps energy flowing. At Phillips 66, we know that now, more than ever, is the time to try new things.

Phillips 66 is an EEO and Affirmative Action Employer of Women/Minorities/Veterans/Individuals with Disabilities



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