Tool Proficiency: Experience with HFSS/CSA, Altium Designer (Altium 3‑D Viewer + integrated FEM), Mentor Xpedition ( Ansys HFSS & CST Studio Suite), SolidWorks PDM, Git‑based version control for PCB data, and PLM/ALM systems. Materials Expertise: Practical knowledge of advanced PCB substrates and finishes (Rogers, Taconic, Isola, Nelco, Duroid, PTFE, ceramic, flexible‑rigid laminates) and the impact of material properties on loss, dielectric constant, thermal expansion, and reliability.