Jobs · Quality Assurance · California

Principal Silicon Validation Engineer, SerDes/PAM4

Astera Labs · San Jose, CA · 4 mo ago
Quality Assurance$185k/yrFull-time

Basic Qualifications

  • Strong academic and technical background in Electrical or Computer Engineering. At minimum, a Bachelor’s is required, and a Master’s is preferred.
  • 8 + years' experience supporting or developing complex SoC/silicon products for Server, Storage, and/or Networking applications.
  • Professional attitude with the ability to prioritize a dynamic list of multiple tasks, to plan and prepare for internal meetings in advance, and to work with minimal guidance and supervision.
  • Entrepreneurial, open-minded behavior and can-do attitude. Think and act with the customer in mind!
  • Proven track record solving problems independently, executing validation plans for complex SoC designs.

Required Experience

  • Experience leading SoC Debug and development for high-speed interfaces such as PCIe5, PCIe6 or PAM4 802.3 Ethernet.
  • Familiarity with Electrical Compliance section of PCIe Base Spec and CEM Spec
  • Working knowledge of key, high-speed design blocks such as PLL’s, DFE, Tx EQ, CDR, etc and concepts such as PAM4
  • Experience in PRBS testing and optimization of high-speed PCIe data links over short, med, and long channels
  • Strong python scripting ability: knowledge of object-oriented programming and basic dev ops using git for source control and collaboration
  • Deep background in developing bench automation techniques, preferably using Python, with emphasis on execution efficiency, repeatability, and data analysis.
  • Proficiency using high-speed lab equipment such as BERT, Oscilloscope, and VNA

Preferred Experience

  • Familiarity with PCIe/CXL compliance standards and ability to drive electrical compliance testing at industry workshops
  • Hands-on experience with signal integrity, especially as it relates to PCIe testing, Channel Loss budgeting, and de-embedding
  • Familiarity with PCIe standards and both NRZ and PAM-4 signaling
  • Knowledge of simulation tools such as MATLAB, Keysight ADS, or PLTS for data analysis and modeling of electrical channel and signal integrity issues

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