Senior Principal Validation Engineer

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About this role

Senior Principal Validation Engineer San Jose, CA Astera Labs (NASDAQ: ALAB) provides rack-scale AI infrastructure through purpose-built connectivity solutions. By collaborating with hyperscalers and ecosystem partners, Astera Labs enables organizations to unlock the full potential of modern AI. Astera Labs' Intelligent Connectivity Platform integrates CXL®, Ethernet, NVLink, PCIe®, and UALink™ semiconductor-based technologies with the company's COSMOS software suite to unify diverse components into cohesive, flexible systems that deliver end-to-end scale-up, and scale-out connectivity. The company's custom connectivity solutions business complements its standards-based portfolio, enabling customers to deploy tailored architectures to meet their unique infrastructure requirements. Discover more at www.asteralabs.com . Overview: As a Senior Principal Validation Engineer , you will join a cutting-edge mixed-signal design team and lead the end-to-end post‑silicon validation and characterization effort. You will own the development and execution of comprehensive validation plans, design and implement test methodologies, and drive hands‑on lab work to verify silicon against specification and performance targets. You will collaborate closely with design, firmware, and system teams to translate architectural goals into measurable test strategies, build automated test frameworks, and analyze complex analog and digital interactions. Your work will include defining test requirements, creating characterization flows, debugging silicon anomalies, and delivering clear, data‑driven recommendations that influence product direction. This role requires deep technical expertise in mixed‑signal systems, strong problem‑solving skills, and the ability to mentor engineers across disciplines. You will be expected to champion best practices for validation, optimize test coverage and throughput, and ensure that products meet reliability, yield, and performance objectives

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