John Zink Hamworthy Combustion, is a subsidiary of Koch Chemical Technology Group, LLC (KCTG). Together with its parent, Koch Industries, Inc. and affiliated companies, KCTG comprises one of the largest private companies in the world. John Zink Hamworthy Combustion strives to provide employees with an environment ripe with learning, challenging work and the opportunity to grow the company and personal career goals. For a list of current job opportunities in the U.S. go to and search for positions within the company.  For best results, please search by LOCATION. For a list of current job opportunities outside of the U.S. go to John Zink Hamworthy Combustion rewards employees for innovative thinking, profitable contributions and entrepreneurial behavior. In fact, our management philosophy enables employees to gain additional responsibilities and decision rights based on abilities and contributions, rather than title or tenure. We encourage employees to add value in new and revolutionary ways. Career opportunities are driven by the way each employee’s unique blend of capabilities complement and enhance our various business strategies. The development process provides employees with constructive feedback to better understand the values, beliefs, skills and knowledge required to effectively and efficiently contribute to the success of our company.

Equal Opportunity Employer. Minority/Female/Disabled/Veteran Contact: For questions about U.S. jobs. Please note, in the US all applications must be made online. Contact: For questions about Europe jobs.