Astera Labs · San Jose, CA
Skills: Python, CI/CD
Firmware Engineer Intern (SCO1) Astera Labs • San Jose, CA (On-site) • Internship About Astera Labs 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. Discover more at www.asteralabs.com . Role Overview Join the Firmware Engineering team behind Scorpio 1 , Astera Labs' first-generation scale-up fabric switch that sits at the heart of AI data center racks. As a Firmware Engineer Intern (SCO1), you'll work alongside the Compute Connectivity Engineering team to build and debug the embedded firmware that brings this silicon to life — from register-level device configuration through customer-facing diagnostics. This is hands-on work: the firmware you touch controls real link training, calibration, and PCIe behavior on hardware that ships to hyperscale customers. Astera Labs interns don't just observe — they contribute to real projects that ship, working side-by-side with senior firmware engineers and getting exposure to the full path from bring-up to production support. Key Responsibilities Write and debug embedded C/C++ firmware for the Scorpio 1 switch ASIC, including register configuration, state machines, and control-loop logic Support link training, SERDES configuration, and PCIe protocol-level debug alongside senior firmware engineers Contribute to calibration and diagnostics routines used during silicon bring-up and system validation Write Python scripts to automate test flows, parse hardware/debug logs, and analyze data from the lab Work with the system validation team to triage f…
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