x.ai · 3 months ago
AI/HPC Network Development Engineer - Networking
Palo Alto, CA, US
Full-time
Onsite
Senior Level, Lead/Staff
10+ years expxAI is dedicated to creating AI systems that enhance humanity's understanding of the universe. The AI/HPC Network Development Engineer will focus on optimizing network performance and availability for large scale AI training and inference workloads, while also contributing to the design of backend and front-end networks.
Artificial Intelligence (AI)InternetSchedulingSoftwareVirtual Assistant
Responsibilities
Develop at hyper scale while optimizing performance and availability
Spend most of your days deep inside NCCL, building metric dashboards and tweaking configurations
Help design the next iteration of backend and front-end networks
Participate in a team on-call rotation and help on other scaling and maintenance efforts
Qualification
Required
A minimum of 10 years designing and operating large scale networks with 5 years in the ethernet AI/HPC space
Deep understanding of congestion control on ethernet with Infiniband an added bonus
Deep understanding of AI training and inference workloads and how they operate on the network. As part of this you are able to use and debug NCCL and potentially commit to the library
Expertise in creating a portfolio of metrics for performance and operations to optimize the fleet for training and inference traffic
Experience with Python to automate away repetitive tasks and facilitate your daily job working with and analyzing large sets of data
Benefits
Equity
Comprehensive medical coverage
Vision coverage
Dental coverage
Access to a 401(k) retirement plan
Short & long-term disability insurance
Life insurance
Various other discounts and perks
Company
x.ai
x.ai is a tool that helps you and your team share ideal availability and schedule meetings.
201-500 employees
H1B Sponsorship
x.ai has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (35)
2024 (9)
2023 (2)
Funding
Current Stage
Growth StageTotal Funding
$44.29MKey Investors
Pegasus Tech VenturesTwo Sigma VenturesFirstMark
2021-06-03Acquired
2017-08-14Series B· $10M
2016-04-07Series B· $23M
Recent News
bloomberglaw.com
2025-09-25
2025-08-13
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