Administrative Assistant III – Senior Support Role

About the role

Ecolab is looking for an Administrative Assistant III to provide high‑level support to senior leaders. In this fast‑paced environment you will coordinate meetings, manage calendars across time zones, and assist with HR, finance, and customer‑facing processes.

Key responsibilities

• Perform general administrative duties for individuals, teams, and business processes.
• Prepare charts, graphs, and tables for reports and presentations.
• Coordinate meeting logistics, reserve rooms, set up equipment, and prepare materials.
• Manage calendars, arrange domestic and international travel, and handle visa processing.
• Support financial processes such as corporate‑card reconciliation, invoice tracking, and budget planning.
• Provide HR support for hiring, onboarding, promotions, transfers, and terminations.
• Assist with legal contract processing and maintain accurate customer master data.
• Create and manage SharePoint sites and shared drives to keep teams organized.

Required profile

• High school diploma or equivalent.
• Four years of administrative experience.
• Strong verbal and written communication with a customer‑service focus.
• Excellent organizational skills and attention to detail.

Required skills

• Intermediate proficiency in Microsoft Outlook, Excel, and PowerPoint.
• Experience with SharePoint site creation and management.

What we offer

• Opportunity to work with senior leadership in a high‑impact environment.
• Career growth within a global, purpose‑driven company.