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Senior Firmware Engineer - PCIe/CXL Memory Solutions

Astera Labs - San Jose, California, United States

Posted May 9, 2026

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About this role

Senior Firmware Engineer - PCIe/CXL Memory Solutions San Jose, California, United States 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 . Astera Labs is seeking experienced Senior Firmware Engineer PCIe/CXL Memory Solution to lead the design and development of embedded firmware for cutting-edge PCIe/CXL memory expansion products tailored for AI and Cloud infrastructure. This role is pivotal in enabling next-generation memory devices that power high-performance computing platforms. This position will be required onsite. Required Experience: - Bachelor's degree in Electrical Engineering, Computer Science, or a related technical field. - 5+ years of hands-on experience in embedded firmware development using C. - Deep expertise in low-level firmware for hardware bring-up, traffic enablement, and RAS (Reliability, Availability, Serviceability) feature implementation. - Proven track record working with high-speed interfaces and protocols such as PCIe, CXL, DDR, and I2C. - Hands on experience in CPU to Device, Device to Device flows like MMIO, DMA, PCIe P2P. Key Responsibilities & Skills: - Firmware development, bring-up, and validation of PCIe/CXL/DDR interfaces at

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