Senior Firmware Engineer

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 .

Job Description:

The mission of this role is to architect and develop firmware and microcontroller subsystems for Astera Labs’ SoC and systems products. Firmware is responsible for implementing the major differentiating features of Astera Labs’ products. As such, firmware is considered equally important to the hardware, and the firmware team is often customer-facing accordingly to ensure the needs of the customer are fully comprehended.

Basic Qualifications:

• Strong academic and technical background in electrical engineering. At a minimum, a Bachelor’s in EE or Computer Science is required.


• Minimum 2 years’ experience supporting or developing complex SoC/silicon products for Server, Storage, and/or Networking applications.


• Experience developing firmware to execute in on-chip microcontrollers as well as C-language software development kits (SDKs) to execute on system host CPUs and embedded microprocessors.


• Experience working with logic designers to implement and test HW-SW interfaces on complex SoCs.


• Professional attitude with the ability to prioritize a dynamic list of multiple tasks, and to work with minimal guidance and supervision.


• Entrepreneurial, open-minded behavior and can-do attitude. Think and act fast with the customer in mind!


• Authorized to work in Canada and start immediately.

Required Experience:

• High level of proficiency in C (preferred) or C++, including development of C-based SDKs and firmware.


• Proficient in Python for scripting.


• Ability to design, implement, and write unit-level tests.


• Working knowledge of software build environments, gcc/make.


• Experience with developer workflows, SCM (preferably git), code reviews, CI.


• Hands-on experience with Server, Storage, and/or Networking equipment.


• Familiarity with SoC interfaces to common IP blocks such as PCIe Switches, PCIe Controllers, DDR Controllers, NVME Controllers, on-chip memory interfaces, and other similar interfaces.

Preferred Experience:

• Experience developing firmware to execute on-chip microcontrollers as well as C-language SDKs.


• RTOS Development or enablement experience.


• Experience with PCIe/CXL firmware development and lab debug is an asset.


• Experience developing firmware/software for CXL-Type3 Memory Controllers is an asset.


• Experience developing firmware for PCIe or Ethernet Switch products is an asset.

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.