Staff HPC Network Architect

Highlights

• Architect ultra-low-latency networks powering large-scale GPU clusters.
• Define topology and scalability roadmaps for multi-site AI cloud.
• Partner with compute and storage architects on end-to-end data flow.

What they offer

• Generous cash & equity compensation
• Health, dental, and vision coverage for you and your dependents
• Wellness and commuter stipends for select roles
• 401k Plan with 2% company match (USA employees)
• Flexible paid time off plan

Ideal candidate

A self-starting network architect with deep HPC or AI cloud experience who thrives in ambiguity and loves designing ultra-scale fabrics. You influence across teams and mentor others while owning resilient, high-performance architectures end to end.

Requirements

• Proven experience (7+ years) architecting high-performance data center networks, preferably for HPC, AI/ML, or large-scale cloud infrastructure
• Deep expertise with InfiniBand (HDR/NDR) and advanced Ethernet fabrics, including RoCE and RDMA protocols
• Strong understanding of data center switching architectures, congestion control (PFC, ECN), QoS, and network virtualization technologies such as VXLAN and EVPN
• Skilled in designing for low-latency and high-throughput data paths, including GPU-to-GPU and storage traffic optimization
• Expertise with BGP-based fabric design, including eBGP underlays, MP-BGP EVPN, ECMP, route policy, and convergence
• Experience with SDN, APIs, automation, and network telemetry
• Strong optical networking competency, including transceiver technologies, fiber types and topologies, link budgets, breakout architectures, and WDM
• Experience building resilient, fault-tolerant high-performance network architectures with redundancy, failover, and high availability
• Excellent communication and leadership skills, capable of influencing technical decisions across diverse teams
• Strong ownership and can do attitude, self-starter who feels comfortable working in ambiguity