Careers at John Zink

John Zink is a Koch Engineered Solutions (KES) business that cultivates a dynamic environment for professional growth and transformation, guided by the principles of Principled Based Management™. As the industry leader in combustion and emission control solutions, our team tackles global, high-impact projects, embracing opportunities to challenge the status quo and drive continuous improvement. By leveraging the vast resources and expertise across our broader KES network, John Zink offers unparalleled opportunities for career development, enhancing both personal success and the success of our partners.

The John Zink Difference

Industry Leadership
As the leading global combustion and emission control partner, John Zink employees work on projects that shape industry standards and make a real impact on environmental sustainability, while our commitment to innovation and excellence positions us as the go-to partner for projects worldwide.


Career Development
Our structured roles with clear responsibilities encourage autonomy and personal growth, allowing employees to tailor their careers to their strengths and interests. We provide extensive professional development opportunities, mentorship and personalized growth plans to help you achieve your fullest potential.


Great Benefits with Balance
Enjoy a workplace that values your health, happiness, and success. We offer competitive pay, comprehensive insurance, a 401(k) with matching, and paid time off. With flexible work arrangements and parental leave, we support your work-life balance and well-being.

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A Universal Place to Thrive

Help us change the world from our company headquarters in Tulsa, Oklahoma – a community voted one of the best places to live in America. Or, make a real-world impact from any of our offices, manufacturing facilities and service centers spread across North America, Europe, Asia-Pacific and the Middle East. With our global locations and capabilities, a career at John Zink can take you anywhere.


Part of Koch Engineered Solutions

Being part of KES and Koch Inc. strengthens our capabilities and opens up a world of opportunities for our employees, providing access to a wealth of resources, diverse expertise, and opportunities for collaboration and professional development. This affiliation means you can work on groundbreaking projects and initiatives and continuously learn from industry leaders.

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Come Make a Difference

At John Zink, your success is driven by your contributions and the value you create. If you’re looking for a place where your career path is determined by your own ambition and work ethic, we’re always looking for contribution-motivated individuals ready to make an impact.