xAI
Network Engineer, High-Speed Interconnects (ML Infrastructure)
$180K–$440K
Palo Alto, CA · Full-time · Posted Feb 4, 2026
- Experience
- 8+ years
- Education
- Master’s degree or Ph.D. in electrical engineering, photonics, or physics
About the job
Designs, validates, and operates copper and optical interconnects for large-scale AI training and inference clusters.
What you'll do
- Design, validate, and productize high-speed connectivity solutions for AI clusters.
- Evaluate and bring up new interconnect products and technologies with vendors.
- Analyze production failures and develop monitoring, diagnostics, and qualification automation.
What they ask for
- 8+ years of experience designing, deploying, and operating high-speed copper and optical interconnects.
- Master’s degree or Ph.D. in electrical engineering, photonics, or physics.
Nice to have
- Experience in module design or a hyperscale datacenter environment.
- Knowledge of PAM4 SerDes, optical link analysis, transceiver components, and CPO.
Pay
$180,000 - $440,000 USD (base salary)
Tools
PAM4, SerDes, FEC, Retimers, TIAs, Drivers, OIF CMIS, IEEE
AI focus
Builds and optimizes interconnects for large-scale AI training and inference clusters, including networks used to train Grok.
Model-written summary · the original posting is authoritative