Senior GPU Network Architect for AI Clusters

Blue Signal Search; Santa Clara (CA); On-site; USD 180,000 - 240,000; Full time

Job summary

Blue Signal Search is seeking a GPU Network Engineer to design and operate the high-performance networking backbone powering large AI training and inference workloads. You will work with experienced infra and compute teams to influence GPU cluster architecture and scalable data center fabrics.

The role emphasizes optimizing ultra-low latency communication, implementing modern data center fabrics, and automating provisioning and lifecycle management.

Qualifications

• Minimum of 5 years of experience supporting enterprise data center or HPC networking environments with direct GPU cluster networking experience.
• Hands-on experience with InfiniBand (NDR or XDR) and RoCEv2 networking technologies.
• Strong expertise designing and supporting east west networking for GPU or AI infrastructure.
• Experience with CLOS architectures, ECMP routing, EVPN, and VXLAN.
• Hands-on administration of Arista EOS, Juniper Junos, and NVIDIA or Mellanox networking platforms.
• Experience using NetBox, Netconf, Ansible, and Terraform to automate network deployment and management.
• Strong troubleshooting skills, packet analysis experience, and network performance optimization capabilities.
• Excellent communication and technical documentation skills.

Responsibilities

• Design, deploy, and optimize high performance InfiniBand (NDR and XDR) and RoCEv2 fabrics supporting large scale GPU and AI workloads.
• Build scalable CLOS and ECMP network architectures that deliver low latency, high bandwidth east west traffic across distributed GPU environments.
• Implement and support EVPN, VXLAN, Layer 2, and Layer 3 networking for modern data center infrastructure.
• Configure and maintain Arista, Juniper, and NVIDIA networking platforms while ensuring highly available, resilient network operations.
• Automate network provisioning, configuration, and lifecycle management using Netconf, Ansible, Terraform, and NetBox.
• Monitor, troubleshoot, and optimize network performance through packet analysis, telemetry, and root cause analysis.
• Partner with infrastructure, compute, and platform engineering teams to support AI training, inference, and high performance computing initiatives.
• Create and maintain technical documentation, operational procedures, and implementation standards while participating in change management and infrastructure improvements.

Tools

Arista EOS

Juniper Junos

NVIDIA/Mellanox platforms

Job description

Blue Signal Search is seeking a GPU Network Engineer to design and operate the high-performance networking backbone powering large AI training and inference workloads. You will work with experienced infra and compute teams to influence GPU cluster architecture and scalable data center fabrics.

The role emphasizes optimizing ultra-low latency communication, implementing modern data center fabrics, and automating provisioning and lifecycle management.