Senior Cloud Fabric Architect for AI/GPU Data Centers

NVIDIA Corporation

Reading

On-site

GBP 110,000 - 150,000

Full time

2 days ago

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Job summary

NVIDIA Corporation is seeking a Senior Network and Fabric Operations Solutions Architect to join its Infrastructure Specialist Team in Reading, UK. You will own Day 2 fabric operations across NVIDIA Partner estates, manage switch software lifecycles, and support Day 1 validation while delivering hands‑on troubleshooting and strategic consulting to partner networks.

You will work with InfiniBand/UFM, Spectrum-X Ethernet, NVLink/NVSwitch systems, and Linux-based switch platforms, driving

Qualifications

5+ years of professional experience in data centre networking, fabric engineering or large‑scale network operations roles.
Deep understanding of data centre network architectures and RDMA fabrics—InfiniBand and RoCE/Ethernet—including topology and routing design, congestion control, QoS, and troubleshooting across NICs, switches and high-speed interconnects.
Hands‑on experience with InfiniBand and UFM, Spectrum‑X Ethernet, Cumulus Linux and/or SONiC, ConnectX and BlueField NICs/DPUs, and NVLink/NVSwitch systems—ideally including NMX-C / NMX-M partition operations on NVL72‑class platforms.
Linux & Switch Platforms: Deep knowledge of Linux (RedHat, Ubuntu) and switch OS internals, host networking and OS‑level security, plus storage/compute traffic patterns of HPC/AI clusters.
Automation, GitOps & Observability: Proficiency in Python/Bash, configuration mgmt and IaC tools (Ansible, Terraform), GitOps network config and firmware/upgrade mgmt for large fleets, and observability stacks (Grafana, Loki, Prometheus).
Fleet Reliability & Customer Engagement: Ability to measure/improve MTBI and job goodput on large GPU clusters; strong consultative background for architectural reviews and executive presentations.

Responsibilities

Own Day 2 fabric operations across NCP fleets: NVLink/NVSwitch partition management on GB200/GB300 NVL72-class systems and multi-tenant estates.
Own the switch software and firmware lifecycle with Cumulus Linux, SONiC, switch-OS upgrades, and rollout campaigns.
Support Day 1 fabric validation and acceptance: InfiniBand/UFM bring‑up, Spectrum‑X/RoCE Ethernet config, cabling, link health verification, routing and congestion validation.
Minimise time from cluster handover to first production workload by reducing duplicated validation across hardware bring‑up and partner teams.
Drive fabric reliability at fleet scale: telemetry, fault detection/remediation, MTBI improvement and post‑incident reviews.
Provide consultative guidance and hands‑on troubleshooting across the fabric stack and act as technical lead for assigned accounts.