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Astera Labs • San Jose, California, United States
Role & seniority: Principal / Senior Principal Post-Silicon Validation Engineer
Stack/tools: Post-silicon validation; PCIe, Ethernet, CXL, NVLink, UALink; COSMOS software; Python (object-oriented, dev-ops with git); high-speed lab tools (BERT, oscilloscope, VNA); C/C++; embedded FW knowledge; CAD tools (Cadence, Altium); MATLAB, Keysight ADS, PLTS; I2C, SPI; IEEE 802.3x; NRZ/PAM-4
Define comprehensive post-silicon validation plans; automate IC- and board-level testing
Design experiments to identify root causes of unexpected behavior; analyze/report validation results vs specifications
Collaborate with internal stakeholders; quantify performance margins; ensure production-ready designs
≥10 years in SoC/silicon validation for server/storage/networking; strong problem-solving; independent, tech-lead capability
Experience debugging/bring-up of complex SoCs with high-speed interfaces (PCIe, Ethernet)
Knowledge of high-speed design blocks (PLL, CTLE, DFE, Tx EQ, PAM4); Python scripting; lab equipment proficiency
System testing, margin analysis, optimization of high-speed links; PCIe/Ethernet Electrical Compliance familiarity
Signal integrity experience (PCIe/Ethernet, CEM/NVMe); C/C++ for embedded FW; IEEE 802.3x; PLC tools for data analysis; schematic/PCB tools; MATLAB/ADS/PLTS
Location & work type: Not specified; salary base range USD 203,000 – 250,000; location dependent on
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.
Strong python scripting and coding ability: knowledge of object-oriented programming and basic dev ops using git for source control and collaboration Proficiency using high-speed lab equipment such as BERT, Oscilloscope, and VNA