Demo

Sr. Principal Technologist - Software

asteralabs
San Jose, CA Full Time
POSTED ON 12/27/2025
AVAILABLE BEFORE 1/26/2026

Astera Labs (NASDAQ: ALAB) provides rack-scale AI infrastructure through purpose-built connectivity solutions grounded in open standards. 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, 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. Discover more at www.asteralabs.com.

Job Description

Are you passionate about pushing the boundaries of AI software, and AI system management architecture? Do you thrive when pitching cutting-edge technology solutions to customers and industry partners? We are seeking a creative customer facing Technologist to help facilitate Astera’s development of our COSMOS software solutions. In this role, you will play a pivotal role in driving the architecture and definition of future products by leveraging your expertise in software architecture, SOC architecture, PCIe/CXL/Ethernet/UALink technologies, system management, and AI hardware-software co-design. You will have the opportunity to directly engage with customers, influence product features and roadmap, and help drive innovation to better solve our customers challenges in hyperscale data centers

This role is fully in person, in San Jose, CA. Some travel may be required.

Basic qualifications

  • BS in Computer Science, or Electrical/Computer engineering, MS or PhD preferred.
  • ≥10 years' experience with software architecture developing datacenter software solutions for AI systems and switches
  • Experience working in a customer-facing role with the ability to articulate technical concepts, influence decision-making, and build business cases for new software products, features, or services
  • Ability to dig deeply into technical challenges and use cases
  • Software architect for full stack silicon-based solutions including FW development, drivers, SDK, and application development
  • Experience with Linux kernel and driver development/debug
  • Experience with AI system software and management stacks including GPU drivers and collective libraries
  • Strong understanding of datacenter system and rack management solutions using industry standards from DMTF, OpenBMC, OCP (e.g. SAI), and the Linux Foundation.
  • Strong understanding of “full stack” solutions from silicon to application integration
  • Excellent communication and interpersonal skills with the ability to collaborate effectively with internal teams and external partners.
  • Demonstrated leadership capabilities with a track record of driving technical initiatives and delivering results in a fast-paced environment.
  • Willingness to travel occasionally for customer meetings and industry events.

Preferred experience

  • Expertise in PCIe, CXL, UALink, and/or Ethernet management interfaces
  • Expertise in switch, fabric, and device management
  • Experience in product integration with BIOS, kernel, OS, tooling, and BMCs
  • Experience with benchmarking and performance optimization
  • Existing engagement and robust network within industry organizations such as PCI-SIG, OCP, DMTF, CXL, IEEE, etc.
  • Deep experience driving silicon definition based on customer requirements and managing product exploration internally.

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.

Salary.com Estimation for Sr. Principal Technologist - Software in San Jose, CA
$124,074 to $156,524
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