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Network Engineer - ML Infrastructure (High-Speed Interconnects)

xAI · Palo Alto, CA

CHECKED 14H AGO

Frontier labonsitesenior$180k–$440k
Apply on the lab’s site ↗

At a glance

Highlights

  • Design network fabric powering large-scale AI training and inference clusters.
  • Build connectivity solutions for AI clusters at 100k+ GPU scale.
  • Explore next-gen interconnects to improve network economics and reliability.

What they offer

  • equity
  • medical coverage
  • vision coverage
  • dental coverage
  • 401(k) retirement plan
  • short-term disability insurance
  • long-term disability insurance
  • life insurance

Ideal candidate

Hands-on engineer with deep interconnect experience who thrives in fast-paced, ambiguous environments. Curious, driven problem-solver excited to bridge physics and large-scale AI systems for impact.

Requirements

  • At least 8+ years of hands-on experience in designing, deploying and operating high-speed copper and optical interconnects
  • Master's or PhD degree in Electrical Engineering, Photonics or Physics
  • Deep knowledge of PAM4 SerDes performance, equalization, jitter, crosstalk
  • Solid operational understanding of FEC, Retimers, TIAs and Drivers
  • Deep knowledge of optical link budget analysis and performance metrics including TDECQ, OMA, Tcode, stressed receiver sensitivity
  • Expertise in transceiver components including CW lasers, SiPh PICs, EML, DSP, passive subassemblies, their failure modes and characterization
  • Knowledge of thermal, mechanical, power, signal integrity constraints in dense hardware
  • Knowledge of SiPh design process, yield improvement and reliability testing
  • Familiarity with CPO technologies and challenges/risk areas
  • Familiarity with subcomponent supply chains and global manufacturers, ODMs and CMs
  • Strong problem-solving skills and ability to thrive in a fast-paced, ambiguous setting

Lab profile

About xAI

Builds AI systems to understand the universe and advance human knowledge.

Known for

  • Engineering excellence focus
  • Large-scale data center operations
More about xAI →
Apply on the lab’s site ↗