Network Engineer - ML Infrastructure (High-Speed Interconnects)
xAI · Palo Alto, CA
CHECKED 14H AGO
Frontier labonsitesenior$180k–$440k
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