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Senior Internal Auditor

AON

Chicago, IL, United States Full-time June 03, 2026
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Opportunity Description

The Internal Audit Department reports directly to the Audit Committee of Aon plc’s Board of Directors. The global department has approximately 70 team members located in Chicago, London, Amsterdam, and Krakow. The department’s primary mission is to add value to the organization by providing management assurance and advisory assessments with a focus on evaluating the adequacy of Aon’s internal control environment and to assess compliance with corporate policy and designated laws and regulations.
The Senior Auditor is a developing audit professional who is primarily responsible for participating in audit projects of Aon business units to evaluate the adequacy of internal controls in both design and application. The Senior Auditor is also responsible for performing advisory project work, such as assisting in corporate investigations, ad-hoc special projects and Sarbanes-Oxley 302 and 404 compliance activities.
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