Executive Administrative Assistant

Your Job

John Zink, a Koch Engineered Solutions (KES) company, is looking to add an Executive Administrative Assistant to our team in Tulsa, OK.

John Zink creates value by providing combustion and emission control solutions to industrial value chains, focusing on partnerships which yield mutual benefit.

As a team, we encourage openness, collaboration, and knowledge sharing to make John Zink a trusted and valued partner.

The Executive Administrative Assistant provides high-level administrative and operational support to senior leadership, enabling business outcomes and driving efficiency for global teams.

This is a great role for a detail-oriented, tech-savvy professional who thrives in a fast-paced, global & multicultural environment.

What You Will Do

• Coordinate complex calendars, meetings, and events (onsite/offsite), including logistics for global participants across multiple time zones.

• Facilitate strong communication and collaboration across the business, acting as a liaison and first point of contact for the team.

• Manage domestic and international travel arrangements, expense reports, and partner with capabilities such as IT, facilities, and HR.

• Organize and maintain effective communications, leveraging digital tools for document management and workflow automation.

• Execute tasks related to community relations and employee engagement, partnering with Public Affairs and other teams.

• Develop and maintain Power BI dashboards to track team KPIs, project progress, and resource allocation.

• Set up and manage SharePoint sites for document sharing, project collaboration, and knowledge management.

• Identify and implement process improvements to enhance team efficiency and productivity.

• Support large, diverse teams and adapt to the needs of colleagues in Europe, Asia, and the Middle East.

Who You Are (Basic Qualifications)

• Advanced proficiency in Microsoft Office Suite (Outlook, Word, PowerPoint, Excel, Teams).

• Demonstrated expertise in Power BI (dashboard/report creation and analysis).

• Skilled in SharePoint (document/resource management, workflow automation).

• Experience working with diverse cultures/teams across a multitude of time zones.

• Strong organizational skills, attention to detail, and ability to prioritize and execute efficiently.

• Proven history of discretion, careful communication, and handling confidential information.

• Experience planning and executing events and managing administrative projects.

• Creativity and initiative in making thoughtful suggestions for improvement.



* Must have legal authorization to work permanently in the United States for any employer without requiring a visa transfer or visa sponsorship

What Will Put You Ahead

• Experience working in an engineering or manufacturing environment.

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