To assure that the technical proficiency of internal auditors is appropriate for the audit engagements...

To assure that the technical proficiency of internal auditors is appropriate for the audit engagements to be performed, a chief audit executive should consider the scope of work and level of responsibility when establishing criteria for education and experience in filling internal audit positions. This approach helps align the skills and competencies of the audit staff with the specific requirements of the audit engagements, ensuring effective performance and adherence to professional standards.

IIA Standards for the Professional Practice of Internal Auditing