Astera Labs

Product Applications Engineer (NCG 2026)

Astera Labs
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3 months ago
San Jose, CA, USAEntry Level
H1B sponsor

Base Salary

$140k - $150k/yr

Responsibilities

  • Assist with customer engagements for Leo CXL Smart Memory Controllers, including bring-up support, feature enablement, and issue triage on customer platforms.
  • Develop, validate, and debug firmware in C and Python across Leo PCIe/CXL and DDR memory subsystems.
  • Support end-to-end validation of DDR4/DDR5 DRAM interfaces, including initialization, training, RAS features, and performance tuning.
  • Develop and maintain Python-based test scripts, automation frameworks, and diagnostic tools for validation and customer debugging.
  • Collaborate with firmware engineering, hardware, systems, and product management teams to deliver firmware releases and customer collateral.
  • Create technical documentation including application notes, release notes, design guides, and customer-facing collateral.
  • Provide technical guidance to customers, address design challenges, and communicate product and process improvement feedback internally.

Requirements

  • Bachelor's degree in Electrical Engineering, Computer Science, or a related technical field.
  • Proficiency in C for embedded firmware development in RTOS environments.
  • Proficiency in Python for scripting, test automation, and diagnostic tooling.
  • Knowledge of firmware bring-up, debugging, and validation for memory or I/O subsystems on server platforms.
  • Strong debugging skills for triaging and root-causing issues in complex embedded systems.
  • Familiarity with SoC interfaces, including DDR controllers, PCIe controllers, and on-chip memory subsystems.
  • Knowledge of developer workflows including source code management, preferably Git, code reviews, and CI/CD pipelines.
  • Technical writing skills for application notes and other internal and customer-facing documentation.
  • Working knowledge of CXL 1.1, 2.0, or 3.0, including memory expansion, pooling, and sharing concepts, is preferred.
  • Experience with PCIe endpoint firmware, PCIe protocol layers, enumeration, MSI/MSI-X, SR-IOV, and error handling is preferred.
  • Knowledge of DDR4 and/or DDR5 interfaces, initialization, training, timing margins, and ECC/RAS features is preferred.
  • Hands-on experience with PCIe/CXL protocol analyzers, BERT, and other laboratory debug equipment is preferred.
  • Familiarity with BIOS, BMC, and operating-system interactions with PCIe/CXL devices and MMIO/RAS concepts is preferred.
  • Experience with server memory performance tuning is preferred.
  • Prior customer-facing or field applications experience in a semiconductor or systems company is a strong plus.
  • Must be authorized to work in the United States and available to start immediately.

Benefits

  • Required onsite work in San Jose, California.

Tech Stack

Categories

EmbeddedSolutions Engineering
Astera Labs

About Astera Labs

1,001-5,000 employees

Astera Labs builds semiconductor-based connectivity solutions and software that link CPUs, GPUs, memory, and storage for AI and cloud data centers, integrating CXL, PCIe, Ethernet, NVLink, and UALink. It offers standards-based and custom connectivity products alongside its COSMOS software suite, serving hyperscalers and server OEMs. Founded in 2017 and headquartered in San Jose, it is a public company listed on Nasdaq under the ticker ALAB.

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