This ISO/IEC 17025 internal auditor training course introduces participants to ISO 19011, the guideline for auditing management systems as applied to ISO/IEC 17025:2017. Participants will learn core auditing principles and develop practical skills for performing higher-value internal audits. The course includes hands-on exercises covering audit program planning, implementation, and maintenance, with a strong focus on auditing methods, questioning techniques, and record sampling to support laboratory compliance and continual improvement.