Senior GPU Infra Operations Engineer – EMEA

Lightning; Greater London; Hybrid; GBP 90,000 - 150,000; Full time

Benefits offered by this job

Health coverage

Equity

401(k) matching

Unlimited PTO

Hybrid work

Office meals

Job summary

Lightning AI in London, UK, seeks a Senior Infrastructure Operations Engineer to operate and scale our GPU-based infrastructure across Linux, compute, networking, and storage. You will drive incident response, automate workflows, and partner with multiple engineering teams to improve reliability and scalability.

The role emphasizes ownership, collaboration, and building scalable, observable systems in a hybrid work environment.

Qualifications

• Strong experience operating and troubleshooting Linux-based production infrastructure at scale.
• Experience troubleshooting complex infrastructure issues across compute, networking, storage, and operating systems.
• Strong automation and scripting skills using Python, Go, Bash, Ansible, or similar tools.
• Experience with Kubernetes, Slurm, or other cluster and workload orchestration systems.
• Experience using monitoring, observability, and telemetry systems to diagnose and troubleshoot production infrastructure.
• Strong systems and networking fundamentals, with a track record of owning production issues through resolution.
• Comfortable working in ambiguous environments and 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 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 at scale

Python scripting

Kubernetes

Networking basics

Observability

Tools

Ansible

Slurm

Job description

Lightning AI in London, UK, seeks a Senior Infrastructure Operations Engineer to operate and scale our GPU-based infrastructure across Linux, compute, networking, and storage. You will drive incident response, automate workflows, and partner with multiple engineering teams to improve reliability and scalability.

The role emphasizes ownership, collaboration, and building scalable, observable systems in a hybrid work environment.