ISO Lead Auditors evaluate an organization or company's processes and provide guidance to help the company meet the requirements of the ISO Standards. For example, the ISO auditor can help identify issues with processes, make recommendations for improvement and train employees in new systems.

Conduct audits and reviews of a high degree of complexity, including assessing risks; evaluating internal control design and effectiveness; developing and executing audit programs, work plans, resource budgets; and performing fieldwork, testing and data analysis.