Astera Labs

Senior Firmware Engineer – CXL

Santa Clara, CA
This job is closed! Check out or

Astera Labs is a global leader in purpose-built connectivity solutions that unlock the full potential of cloud and AI infrastructure. Our Intelligent Connectivity Platform integrates PCIe, CXL and Ethernet semiconductor-based solutions based on a software-defined architecture that is both scalable and customizable. Inspired by trusted partnerships with hyperscalers and the data center ecosystem, we are an innovation leader of products that are flexible, interoperable, and reliable. We are headquartered in the heart of California’s Silicon Valley, with R&D centers and offices in Taiwan, China, Vancouver and Toronto, Canada, and Haifa, Israel. 

Job Description:

As an Astera Labs Senior Firmware Engineer, you will be designing and developing Firmware for validation and productization of CXL Memory devices and other future looking memory technologies for Astera Labs.

Basic qualifications:

  • Bachelors in Electrical Engineering / Electronics / Computer Science or related fields.

Required experience:

  • Strong Firmware development skills in C within Embedded environments.
  • Good understanding of CXL or PCIe features defined in standards and specifications.
  • Experienced in implementing CXL or PCIe end point capabilities.
  • Good knowledge in PCIe enumeration, MSI, MSI-X, SR-IOV and PCIe error handling.
  • Currently based locally or open to relocation.

Preferred experience:

  • Familiarity with CXL 1.1/2.0/3.0 Memory Pooling and Sharing.
  • Experienced in using PCIe Analyzer, familiarity with BIOS, BMC configuration.
  • Good understanding of BIOS/PCIe device/OS interactions, MMIO and RAS concepts.
  • Experienced in debugging customer issues related to PCIe on CPU platforms.



We know that creativity and innovation happen more often when teams include diverse ideas, backgrounds, and experiences, and we actively encourage everyone with relevant experience to apply, including people of color, LGBTQ+ and non-binary people, veterans, parents, and individuals with disabilities.

There are more than 50,000 engineering jobs:

Subscribe to membership and unlock all jobs

Engineering Jobs

50,000+ jobs from 4,500+ well-funded companies

Updated Daily

New jobs are added every day as companies post them

Refined Search

Use filters like skill, location, etc to narrow results

Become a member

🎉 12 people have signed up in the past 7 days.

Overall, over 80% of customers chose to renew their subscriptions after the initial sign-up.

Cancel anytime / Money-back guarantee