Conduct functional tests of high-quality aluminum wheels according to testing specifications and sample orders in consultation with the Technical Project Manager, Plan and execute endurance and impact tests independently according to customer requirements, Analyze, assess, and document test results in the PLM system, Act as a contact person for colleagues in technical departments and OEM customers regarding tests and load determination, Regularly exchange information with internal colleagues and OEM customers regarding test results, testing procedures, or other testing topics, and support the further development of testing methods, Understand and be familiar with the current testing requirements of customers, Ensure the functionality of testing machines (e.g., organize maintenance, calibrations, and counter-tests at the customer), Participate in cross-departmental and cross-location projects within the RONAL GROUP