Network Engineer

Andromeda Cluster • San Francisco, CA

3d

About The Position

Andromeda’s infrastructure team designs, deploys, and operates large-scale GPU clusters for AI labs and compute providers. The Network Engineer designs and brings up the networks in GPU clusters, including compute fabric, storage network, front-end, and out-of-band management. The role works with the Cluster Architect on design and with deployment engineers on site through validation, and reports to the Head of Infrastructure.

The engineer owns network design and capacity planning, cabling and optics plans, fabric bring-up and validation, deployment and operational troubleshooting, and automation to establish known-good configuration baselines. The role is based in San Francisco, California, or remote in the United States, with travel up to 25%.

Requirements

• Hands-on design and bring-up of InfiniBand or RoCE fabrics for clusters of 1,000 or more GPUs.
• Experience with NVIDIA UFM and switch operating systems such as Cumulus or SONiC.
• Practical knowledge of optics, transceivers, and high-density cabling.
• Experience with Python and Ansible or similar tools for configuration and validation.

Nice To Haves

• Experience with GB200 or GB300 NVL72 rack-scale systems.
• Data center interconnect and cloud interconnect design experience.
• Experience working directly with customer ML infrastructure teams.

Responsibilities

• Design and bring up GPU cluster networks, including compute fabric, storage, front-end, and out-of-band management.
• Design InfiniBand (NDR, XDR) and Spectrum-X Ethernet fabrics, including rail-optimized topologies and NVLink domain integration.
• Design and plan capacity for storage traffic, tenant access, and internet and cloud interconnects.
• Develop cabling plans, optics bills of materials, and labeling standards for integrators.
• Perform fabric bring-up, NCCL and fabric performance testing, and acceptance sign-off.
• Troubleshoot and serve as an escalation point for fabric issues during deployment and Day 2 operations.
• Create configuration templates and tooling so each build starts from a known-good baseline.
• Work with the Cluster Architect on design and deployment engineers on site through validation.

Benefits

• Healthcare coverage for employees and dependents.
• Dental coverage for employees and dependents.
• Vision coverage for employees and dependents.
• 401(k).
• Unlimited PTO.

What This Job Offers

• Job Type: Full-time
• Education Level: No Education Listed