ATE Hardware Design - Principal Engineer

We are seeking a highly experienced and driven Principal Engineer to lead the end-to-end design, development, integration, and validation of advanced ATE test hardware. This senior technical role combines deep hands-on expertise with cross-functional influence to deliver robust, high-performance test solutions that enable successful new-product introduction and high-volume manufacturing. Key Responsibilities Own the complete ATE test hardware development lifecycle, from requirements definition and architecture through design, verification, validation, release, and production support. Design and review complex test hardware, including load boards, probe cards, sockets, and related interfaces for wafer sort and final test applications. Lead schematic, stack-up, component-placement, routing, and design reviews, with particular focus on signal integrity, power integrity, manufacturability, reliability, and first-time-right execution. Perform or guide SI/PI analysis, design simulation, hardware bring-up, debugging, root-cause analysis, and corrective-action implementation. Partner closely with Business Line Test Engineering, Product Engineering, Operations, Quality, Procurement, and external manufacturing partners to ensure technical alignment, quality, cost, and schedule performance. Define and improve test hardware design methodologies, guidelines, validation strategies, and reusable best practices across projects and sites. Coordinate multiple hardware initiatives, manage technical risks and priorities, and support test hardware technology and supplier lifecycle planning.