Senior Infrastructure Operations Engineer - AI GPU Fleet

Academic Key; Greater London; Hybrid; GBP 110,000 - 155,000; Full time

Job summary

Lightning AI seeks a Senior Infrastructure Operations Engineer to operate and scale the world’s GPU fleet in its London office. You will own provisioning, monitoring, and incident response, driving reliability improvements across Linux, compute, and network layers.

You will build automation, partner with multiple engineering teams, and participate in on-call rotations to ensure production stability. Strong scripting, Kubernetes/Slurm experience, and a proactive mindset are required.

Qualifications

• Strong experience operating and troubleshooting Linux-based production infrastructure at scale.
• Experience troubleshooting complex infrastructure issues across compute, networking, storage, and OS.
• Strong automation and scripting skills using Python, Go, Bash, Ansible, or similar tools.

Responsibilities

• Operate and troubleshoot large-scale GPU and bare-metal infrastructure across Linux, compute, networking, storage, and cluster orchestration.
• Serve as a technical escalation point for complex infrastructure issues, driving problems from initial investigation through resolution and root cause analysis.
• Own operational workflows across the infrastructure lifecycle, including provisioning, configuration, validation, maintenance, remediation, and decommissioning.
• Build automation and internal tooling that eliminates repetitive operational work and enables the infrastructure fleet to scale efficiently.
• Identify recurring failure modes and partner with Infrastructure Engineering to build more reliable, repeatable, and automated systems.
• Improve provisioning, monitoring, diagnostics, and operational processes across a rapidly growing infrastructure footprint.
• Partner closely with Infrastructure Engineering, Network Engineering, Data Center Operations, Customer Experience, and Platform Engineering to resolve issues that cross team or system boundaries.
• Participate in a distributed primary/secondary on-call rotation supporting production infrastructure.

Skills

Linux production infrastructure

Troubleshooting complex infra

Python

Go

Bash

Ansible

Kubernetes

Slurm

Monitoring & Observability

Networking fundamentals

Automation scripting

Tools

Prometheus/Grafana

Job description

Lightning AI seeks a Senior Infrastructure Operations Engineer to operate and scale the world’s GPU fleet in its London office. You will own provisioning, monitoring, and incident response, driving reliability improvements across Linux, compute, and network layers.

You will build automation, partner with multiple engineering teams, and participate in on-call rotations to ensure production stability. Strong scripting, Kubernetes/Slurm experience, and a proactive mindset are required.