Administrative Assistant

Want to build a brighter, bolder future and cultivate your career? Join Ecolab’s team and help create a world in which we all thrive.   

Ecolab is seeking an Administrative Assistant III to join our team in Naperville, IL. As an Administrative Assistant III, you’ll be at the heart of a dynamic team, supporting senior leaders and helping drive business success. You’ll bring structure, clarity, and energy to every task—whether it’s coordinating meetings, managing calendars, or supporting HR, finance, and customer-facing processes. This is your opportunity to grow your career while helping others thrive. 

How You’ll Make an Impact: 

• Perform general administrative duties in support of individuals, teams, and business processes 

• Develop, compile, and analyze basic information for inclusion in reports or presentation materials 

• Prepare charts, graphs, and tables to support business insights and decision-making 

• Coordinate meeting logistics, including reserving conference rooms, setting up equipment, and preparing materials 

• Manage calendars across time zones and ensure leaders are where they need to be, when they need to be there 

• Support financial processes such as corporate card reconciliation, invoice tracking, and budget planning 

• Arrange domestic and international travel, including visa processing 

• Provide HR-related support for hiring, onboarding, promotions, transfers, and terminations 

• Assist with processing legal contracts and maintaining accurate customer master data 

• Compile and edit presentation content from multiple sources and distribute reports to stakeholders 

• Maintain agendas, action item lists, and program plans, escalating issues when needed 

• Respond to routine correspondence following established procedures 

• Create and manage SharePoint sites and shared drives to keep teams organized 

• Communicate proactively to meet internal and external client needs 

• Maintain key relationships with customers and internal departments to understand and support customer expectations 

• Assist with customer issue resolution, including invoice discrepancies, reporting, and service concerns 

• Provide back-up support to other administrative team members as needed 

• Organize and maintain office systems, supplies, and equipment 

 Position Details: 

• Location: Naperville, IL

• Business/Division/Leader Supported:  GBS+ Platform

• Work week and Shift: Mon - Fri, 8AM - 5PM

 What is Unique About This Role: 

• You’ll support senior leadership in a fast-paced, high-impact environment 

• You’ll be a trusted partner in both day-to-day operations and strategic initiatives 

 Minimum Qualifications: 

• High school diploma or equivalent 

• Four years of administrative experience 

• Immigration sponsorship is not available for this position 

 Preferred Qualifications: 

• Bachelor’s degree <