Keywords: Senior Mechanical Engineer, mechanical design, system chassis architecture, rack-mounted systems, server hardware, data center hardware, electronics enclosures, sheet-metal chassis, sheet-metal fabrication, structural frames, board-level mounting, card cages, cable management, PEM hardware, tolerance stack-up analysis, EMI grounding, Design for Manufacturability (DFM), Design for Assembly (DFA), CAD modeling, SolidWorks, Creo, NX, prototype development, EVT, DVT, PVT, reliability engineering, FMEA, root-cause analysis, shock testing, vibration testing, thermal cycling, liquid cooling, cold plates, manifolds, airflow management, thermal integration, ANSYS Mechanical, Icepak, Flotherm, structural analysis, thermal analysis, high-density electronics, cross-functional collaboration, manufacturing engineering, ODM collaboration, supplier management, concept-to-production, hardware validation, system integration, production ramp. Requirements for a Senior Mechanical Engineer - Chassis include: Lead the mechanical architecture and design of rack-mounted computing systems, including sheet-metal chassis, electronics enclosures, structural frames, and board-level mounting structures.