Principal Product Application Engineer - Leo

Responsibilities

• Lead customer engagements for Leo CXL Smart Memory Controllers, including firmware bring-up, feature enablement, and issue triage.
• Develop, validate, and debug C and Python firmware, test scripts, automation frameworks, and diagnostic tools.
• Drive requirements and technical discussions for DDR4/DDR5 interfaces, initialization, training, RAS features, and performance tuning.
• Serve as the primary firmware technical contact for hyperscaler and OEM accounts and drive issue resolution and feature demonstrations.
• Implement CXL, PCIe, and JEDEC DDR specification requirements in firmware solutions.
• Collaborate with firmware, hardware, systems, and product management teams on firmware releases and customer collateral.
• Create application notes, release notes, design guides, and other customer-facing documentation.
• Represent the Leo team in customer technical reviews, design-in engagements, and industry forums.

Requirements

• Bachelor’s degree in Electrical Engineering, Computer Science, or a related technical field is required; a master’s degree is preferred.
• 8+ years of experience in firmware development, product applications engineering, or a related role supporting complex SoC or silicon products for server, storage, or networking applications.
• High proficiency in C for embedded firmware development in RTOS environments.
• Working knowledge of CXL 1.1, 2.0, or 3.0, including memory expansion, pooling, and sharing.
• Proficiency in Python for scripting, test automation, and diagnostic tooling.
• Deep hands-on knowledge of DDR4 and/or DDR5 DRAM interfaces, including initialization, training algorithms, timing margins, and ECC/RAS features.
• Experience bringing up, debugging, and validating memory or I/O subsystems on server platforms.
• Strong debugging and root-cause analysis skills for complex embedded systems.
• Familiarity with SoC interfaces including DDR controllers, PCIe controllers, and on-chip memory subsystems.
• Experience with SCM, preferably Git, code reviews, and CI/CD pipelines.
• Preferred experience includes PCIe endpoint firmware, PCIe protocol layers and enumeration, MSI/MSI-X, SR-IOV, error handling, PCIe/CXL protocol analyzers, BERT, and lab debug equipment.
• Preferred experience includes BIOS/BMC/OS interactions with PCIe/CXL devices, MMIO/RAS concepts, server memory performance tuning, and customer-facing or field applications work in semiconductor or systems companies.
• Must be authorized to work in the US and available to start immediately.

Benefits

• The position is required onsite in San Jose, California.
• The role offers the opportunity to work directly with hyperscalers and OEM partners on complex AI infrastructure and semiconductor products.