Senior Infra Ops Engineer - Scale GPU Fleet (Hybrid)

United States Digital Space LLC; Greater London; Hybrid; GBP 116,000 - 128,000; Full time

Benefits offered by this job

Health coverage

Equity RSUs

401(k) matching

Unlimited PTO

Hybrid work model

Office meals

Job summary

Lightning AI in London is seeking an experienced Senior Infrastructure Operations Engineer to help operate and scale the infrastructure behind one of the world's largest GPU fleets. The role sits at the center of production reliability across Linux, bare-metal servers, GPUs, networking, storage, provisioning, and cluster orchestration.

You will own provisioning, monitoring, diagnostics, and on-call support, build automation, and partner with Infrastructure Engineering and Platform teams to

Qualifications

• Strong Linux production infrastructure experience at scale.
• Experience troubleshooting complex infra across compute, networking, storage, and OS.
• Strong automation and scripting with Python, Go, Bash, Ansible, or similar.
• Experience with Kubernetes, Slurm, or other cluster/workload schedulers.
• Experience with monitoring, observability, and telemetry to diagnose issues.
• Strong systems and networking fundamentals with ownership of production issues.
• Comfortable collaborating across engineering, operations, and customer-facing teams.

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 resolution and root cause analysis.
• Own provisioning, configuration, validation, maintenance, remediation, and decommissioning workflows.
• Build automation and internal tooling to scale the infrastructure fleet.
• Identify recurring failures and work with Infra Eng to improve reliability and automation.
• Improve provisioning, monitoring, diagnostics, and operational processes for a growing footprint.
• Collaborate with Infrastructure Engineering, Network Engineering, Data Center Operations, Customer Experience, and Platform Engineering to resolve cross-team issues.
• Participate in a distributed primary/secondary on-call rotation.

Skills

Linux ops

Automation scripts

Python scripting

Go scripting

Ansible

Kubernetes

Slurm

Monitoring

Telemetry

Networking basics

On-call readiness

Tools

PXE

BMC

IPMI

Redfish

iDRAC

NVIDIA GPUs

DCGM

InfiniBand

RoCE/RDMA

GPFS

Ceph

Job description

Lightning AI in London is seeking an experienced Senior Infrastructure Operations Engineer to help operate and scale the infrastructure behind one of the world's largest GPU fleets. The role sits at the center of production reliability across Linux, bare-metal servers, GPUs, networking, storage, provisioning, and cluster orchestration.

You will own provisioning, monitoring, diagnostics, and on-call support, build automation, and partner with Infrastructure Engineering and Platform teams to