Lightning AI
Senior Network Engineer - InfiniBand / UFM
$170K–$210K
New York, New York, United States +7 · Remote · Senior · Full-time · Posted Jul 20, 2026
- Location
- New York, New York, United States
Remote
San Francisco, California, United States
Seattle, Washington, United States
New York, New York, United States
Remote
San Francisco, California, United States
Seattle, Washington, United States - Experience
- 7+ years in large-scale data center networking.
- Visa sponsorship
- The company is not able to provide visa sponsorship for this position at this time.
About the job
Designs, deploys, automates, and operates high-performance InfiniBand networking for large-scale GPU clusters supporting AI training and inference.
What you'll do
- Build and maintain InfiniBand fabrics and administer UFM, including monitoring, provisioning, and fabric health.
- Troubleshoot and optimize network performance, reliability, and capacity for distributed AI workloads.
- Automate network provisioning and collaborate with infrastructure teams on scalable AI Factory environments.
What they ask for
- 7+ years of experience in large-scale data center networking.
- Experience deploying, operating, and troubleshooting InfiniBand environments.
- Strong understanding of Layer 2 and Layer 3 networking, including BGP, EVPN, VXLAN, and spine-leaf architectures.
- Strong Linux administration experience and experience with network automation using Python, Ansible, Terraform, or similar tools.
Nice to have
- Experience with Netris, Terraform, or similar infrastructure tooling.
- Experience with multi-region backbone design, bare-metal provisioning, or HPC/GPU-dense infrastructure.
Pay
$170,000 — $210,000 USD (base salary)
Tools
NVIDIA Unified Fabric Manager (UFM), NVIDIA Quantum, NCCL, RoCEv2, Linux, Python, Ansible, Terraform
AI focus
Builds and operates networking infrastructure for large-scale AI training and inference; troubleshoots fabric performance affecting distributed AI workloads.
Model-written summary · the original posting is authoritative