Operate metrology tools such as CD-SEM, overlay, thin film, and defect inspection systems to monitor process parameters and collect data. Assist in setting up measurement programs and adjusting parameters; perform preliminary analysis and report anomalies. Support measurement experiments during process development and participate in process window analysis (e.g., DOF, ADI FEM). Process Optimization & Technical Improvement Assist process engineers in new product introduction and process verification; monitor process stability and yield performance. Support inline monitoring mechanisms and quality improvement projects Collaborate with process, quality, and equipment teams to resolve metrology and process-related issues. Assist in driving process improvement projects and participate in team discussions and technical exchanges.