POSITION SUMMARY: The QA Auditor is responsible for performing spot audits on Threading Lines for Premium (VAM), Semi-Premium (Atlas Bradford), and API connections, as well as upstream processes including Heat Treatment, Inspection, Cut-Off, and Hydrotesting operations, when required, at Vallourec STAR Houston. This role works closely with Production and Quality teams to promote continuous improvement initiatives, contain quality issues, and support root cause analysis, containment and corrective actions.