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Senior Process Engineer, Thermal Oxidizer

John Zink
Tulsa, OK Full Time
POSTED ON 4/1/2025
AVAILABLE BEFORE 6/5/2025
Your Job

John Zink, a Koch Engineering Solutions company, is looking to add a Process Engineer to our Product and Technology team. This role acts as the lifecycle owner of technical solutions in Thermal Oxidizer and Regenerative Thermal Oxidizer (RTO) systems. This role is based in Tulsa, OK. Relocation assistance may be provided.

The individual is expected to work closely with the commercial and project execution teams to ensure equipment performance requirements are achieved. The role requires an individual who understands value creation by providing creative, innovative, and engineered-to-order solutions for our customers, while also optimizing the risk and economic profiles. Ideally, the person in this role will understand the needs of our customers based on previous experience and be able to leverage that experience to provide meaningful guidance and insight for our customers and our company.

What You Will Do

  • Provide engineered solutions for TO/RTO and related systems to commercial teams by performing detailed design calculations for proposals. It is expected for commercial and process teams to work closely together in determining a solution that balances performance risk and competitiveness while satisfying the customer requirements.
  • Support project execution team by performing detailed design calculations for orders including equipment definition, performance predictions, control methodology, and contributing to the development of design standards and operating manuals.
  • Participate as a member of the global Combustion Systems team. Training and support are available through the team and knowledge sharing is expected to continuously improve our technical capabilities.
  • Proactively investigate and resolve technical issues or warranty claims involving process design.
  • Participate in process and mechanical standardization efforts. Adapt to new technology and drive transformation of legacy products and services.
  • Participate in technology development and innovation projects when such projects are assigned. Identify needs of our customers and champion solution-based efforts.
  • Travel up to 20% of time for events such as: sales meetings, HAZOPs/PHAs, equipment startup, consultation / troubleshooting, seminars, conferences, etc.
  • Develop professional relationships with combustion SMEs (Subject Matter Expert) from industry professionals and customers.
  • Learn about the company’s culture (Principle Based Management) and continuously improve its application in daily work.


The Experience You Will Bring

Requirements (Basic Qualifications):

  • Minimum of a bachelor's degree in chemical engineering or equivalent engineering degree.
  • Demonstrated experience in process design, optimization, risk analysis, and implementing process improvements.
  • Experience in process engineering in the refining, petrochemical, or similar industries.
  • Ability to travel 20%


What Will Put You Ahead

  • 5 years in Thermal Oxidizer systems applications, design, operation, and/or development experience.
  • 5 years in Regenerative Thermal Oxidizer (RTO) systems applications, design, operation, and/or development experience.
  • Roles supporting fired combustion equipment, combustion control, or related areas.
  • Process engineering role within refinery and chemical plant operations with fired equipment experience.
  • Master’s degree (or greater) in engineering.
  • Professional Engineer license.
  • Demonstrated expertise in troubleshooting and resolving complex technical issues, including root cause analysis and the application of structured problem-solving techniques.


At Koch companies, we are entrepreneurs. This means we openly challenge the status quo, find new ways to create value and get rewarded for our individual contributions. Any compensation range provided for a role is an estimate determined by available market data. The actual amount may be higher or lower than the range provided considering each candidate's knowledge, skills, abilities, and geographic location. If you have questions, please speak to your recruiter about the flexibility and detail of our compensation philosophy.

Hiring Philosophy

All Koch companies value diversity of thought, perspectives, aptitudes, experiences, and backgrounds. We are Military Ready and Second Chance employers. Learn more about our hiring philosophy here.

Who We Are

As a Koch Engineered Solutions company, John Zink Hamworthy Combustion (JZHC) is a global leader in emissions control and a pioneer in modern Smart Combustion™solutions. Our research and development facilities make up the largest testing complex of its kind. Additionally, our worldwide service organization is the largest, most technically advanced team of its kind. We provide solutions to capture emissions, destroy pollutants, manage waste and heat vital processes to help industries operate more cleanly and efficiently.

At Koch, employees are empowered to do what they do best to make life better. Learn how our business philosophy helps employees unleash their potential while creating value for themselves and the company.

Our Benefits

Our goal is for each employee, and their families, to live fulfilling and healthy lives. We provide essential resources and support to build and maintain physical, financial, and emotional strength - focusing on overall wellbeing so you can focus on what matters most. Our benefits plan includes - medical, dental, vision, flexible spending and health savings accounts, life insurance, ADD, disability, retirement, paid vacation/time off, educational assistance, and may also include infertility assistance, paid parental leave and adoption assistance. Specific eligibility criteria is set by the applicable Summary Plan Description, policy or guideline and benefits may vary by geographic region. If you have questions on what benefits apply to you, please speak to your recruiter.

Equal Opportunities

Equal Opportunity Employer, including disability and protected veteran status. Except where prohibited by state law, all offers of employment are conditioned upon successfully passing a drug test. This employer uses E-Verify. Please visit the following website for additional information: http://www.kochcareers.com/doc/Everify.pdf

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