JZ Summer 2027 Technical Sales Engineer Intern

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John Zink, a Koch Engineered Solutions company, is looking for Technical Sales Engineer Interns to join our team for Summer 2027
. This position is located in Tulsa, OK.

John Zink Company, LLC is a global leader in combustion and environmental solutions for industrial, energy, and process markets. With a rich history that spans over 90 years, John Zink has established itself as a trusted provider of innovative technologies and systems that help customers optimize processes, reduce emissions, and improve operational efficiency.

• Assist with proposal process from Request for Quotation (RFQ) stage to project handover including conducting feasibility studies, bid review meetings, and providing development support for new projects.
• Provide technical support during the bidding phase.
• Perform basic sizing of complete systems involving various equipment using in-house process design simulation software.
• Conduct feasibility studies and provide independent engineering services to clients including design reviews, technical due diligence, and project planning.
• Contribute to commercial processes through hands-on experience with CRM systems and business activities.
• Own and drive a special project that requires working cross-functionally with internal stakeholders to develop creative solutions that best meet customer needs.

• Currently pursuing a Bachelor's or Master's degree in Chemical Engineering, Mechanical Engineering, or related STEM field
• Eligible for full time employment on or before Summer 2028
• Legal authorization to work permanently in the United States for any employer without requiring a visa transfer or visa sponsorship

• Experience working in customer- or client-facing environments (e.g., retail, service industry, or campus organizations)
• Previous internship or other hands-on experience in a professional or technical setting

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.

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.

As a Koch Engineered Solutions company, John Zink is a global leader in emissions control and a pioneer in modern 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.

• medical
• dental
• vision
• flexible spending and health savings accounts
• life insurance
• ADD
• disability
• retirement
• paid vacation/time off
• educational assistance
• infertility assistance
• paid parental leave
• adoption assistance

Specific eligibility criteria is set by the applicable Summary Plan Description, policy or guideline and benefits may vary by geographic region.

Additionally, everyone has individual work and personal needs. We seek to enable the best work environment that helps you and the business work together to produce superior results.

Equal Opportunity Employer, including disability and protected veteran status. Except where prohibited by state law, some offers of employment are conditioned upon successfully passing a drug test. This employer uses E-Verify.

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