Senior GPU Infrastructure Support Engineer

Nscale; San Francisco (CA); On-site; USD 120,000 - 170,000; Full time

Benefits offered by this job

Equity

Remote-friendly team

Flexible workplace

Job summary

Nscale seeks a Senior Infrastructure Support Engineer to own the health of GPU fleets and high‑performance fabrics. You will operate across GPU hardware, Linux, and data centre operations, bridging Support, DC Operations, and Engineering.

You’ll diagnose complex issues, lead investigations, and implement automation while mentoring mid‑level engineers. Travel to sites may be required, with a remote‑first team structure supporting US and Europe.

Qualifications

• 6+ years in infrastructure, operations, or support engineering in production environments.
• 2–3+ years hands‑on with GPU, HPC, or large-scale data centre estates, ideally customer-facing.
• Strong written discipline; clear incident updates and customer-facing communication.

Responsibilities

• Join the Support duty rotation as a senior escalation point for incidents and changes.
• Diagnose GPU node faults across driver, firmware, hardware, and RMA processes.
• Manage east–west fabrics diagnostics and topology validation on InfiniBand/RoCE fabrics.
• Investigate data-path issues on high-performance storage platforms and storage-network interactions.
• Lead structured investigations with root cause analysis and long-term fixes.
• Author changes in live customer environments with proper risk assessment and backout plans.
• Improve dashboards, alerts, and runbooks to prevent repeat incidents.

Skills

Infra experience

GPU/HPC knowledge

Linux systems

SRE practices

Incident response

Automation scripting

Network fundamentals

Leadership & mentoring

Customer-facing comms

BMC/Redfish experience

Tools

MAAS

NCCL

Redfish

OpenStack

Prometheus/Grafana

Git

Terraform

Ansible

GitHub Actions

Job description

Nscale seeks a Senior Infrastructure Support Engineer to own the health of GPU fleets and high‑performance fabrics. You will operate across GPU hardware, Linux, and data centre operations, bridging Support, DC Operations, and Engineering.

You’ll diagnose complex issues, lead investigations, and implement automation while mentoring mid‑level engineers. Travel to sites may be required, with a remote‑first team structure supporting US and Europe.