Lead HPC Network Architect for AI Cloud

Socket.dev; San Jose (CA); Hybrid; USD 180,000 - 260,000; Full time

Benefits offered by this job

Health, dental, and vision coverage

Equity compensation

401k with company match

Flexible paid time off

Wellness and commuter stipends

Job summary

Lambda, The Superintelligence Cloud is seeking an experienced Senior Network Architect to design and optimize high-performance data center networks for AI workloads. You will define topologies for large GPU clusters, multi-tenant storage, and multi-site environments, while driving automation and fault tolerance.

You will lead architectural decisions, mentor teams, and collaborate across compute, storage, and networking groups to ensure ultra-low latency, high bandwidth, and reliable operation in

Qualifications

• 7+ years of experience in architecting high-performance data center networks, preferably for HPC/AI/cloud.
• Expertise with InfiniBand HDR/NDR and advanced Ethernet fabrics including RoCE and RDMA.
• Strong understanding of data center switching architectures, congestion control, QoS, and VXLAN/EVPN systems.
• Experience with BGP-based fabric design including MP-BGP EVPN, ECMP, and convergence.
• Proficiency in SDN, APIs, automation, and network telemetry.
• Cloud-scale, multi-site, fault-tolerant design with high availability.
• Excellent communication and cross-functional leadership abilities.

Responsibilities

• Architect high-performance networking solutions for cloud platforms with ultra-low latency and high bandwidth.
• Define topology and patterns for large GPU clusters, storage backends, and multi-tenant environments.
• Evaluate and select next-generation network technologies to meet AI workload requirements.
• Develop standards, reference designs, and roadmaps for scalability across sites.
• Collaborate with compute/storage teams to ensure end-to-end data flow and fault tolerance.
• Lead network automation strategies and tooling for provisioning, telemetry, and visibility.
• Mentor engineers and cross-functional teams on advanced network concepts and best practices.

Skills

InfiniBand HDR/NDR

RoCE

RDMA

eBGP/MP-BGP EVPN

VXLAN

Data center architectures

Networking performance optimization

Network automation

Telemetry

Networking leadership

Tools

NVIDIA BlueField

Broad and flexible network hardware

Job description

Lambda, The Superintelligence Cloud is seeking an experienced Senior Network Architect to design and optimize high-performance data center networks for AI workloads. You will define topologies for large GPU clusters, multi-tenant storage, and multi-site environments, while driving automation and fault tolerance.

You will lead architectural decisions, mentor teams, and collaborate across compute, storage, and networking groups to ensure ultra-low latency, high bandwidth, and reliable operation in