Lead GPU Cloud Infra Engineer | OpenStack & K8s

NexGen Cloud; Greater London; Hybrid; GBP 90,000 - 120,000; Full time

Benefits offered by this job

Competitive salary

Annual discretionary bonus

25 days holiday

Private medical insurance

Flexible working (remote or hybrid)

Job summary

NexGen Cloud is expanding its OpenStack and Kubernetes environments to support its growing GPU cloud platform. You will own design, deployment, and operation of OpenStack and Kubernetes for high-performance workloads, and drive automation with infrastructure-as-code and GitOps practices.

You'll lead incident response, improve reliability, and maintain strong security across layers, collaborating with Platform, DevOps, AI, Product, and Support teams to align capabilities with customer needs.

Qualifications

• Exposure to GPU infrastructure, HPC, or large-scale compute environments.
• OpenStack experience in production and building OpenStack environments.
• Proven experience operating Kubernetes at scale — bare-metal or private cloud.
• Solid understanding of Linux, networking, and storage systems.
• Experience with infrastructure automation, CI/CD, and Git-based workflows.
• Strong ownership mindset — comfortable operating without heavy oversight and able to simplify and scale systems in a fast-moving environment.

Responsibilities

• Own the design, deployment, and operation of OpenStack and Kubernetes environments — ensuring platform performance, scalability, and resilience for GPU workloads
• Build and improve infrastructure using infrastructure-as-code and GitOps practices, driving automation across provisioning, deployment, and operational workflows
• Optimise GPU workload scheduling using Kubernetes and NVIDIA tooling, and implement monitoring, logging, and alerting to ensure platform stability
• Lead incident response and drive continuous improvement of reliability across the platform
• Maintain strong security controls across infrastructure and container layers — RBAC, network policies, and tenant isolation
• Work closely with Platform, DevOps, AI, Product, and Support teams to align infrastructure capabilities with customer and platform requirements

Skills

OpenStack

Kubernetes

Linux networking storage

CI/CD Git-based workflows

Ownership mindset

Infrastructure automation

GitOps

NVIDIA tooling

Tools

Terraform

Git

NVIDIA tooling

Job description

NexGen Cloud is expanding its OpenStack and Kubernetes environments to support its growing GPU cloud platform. You will own design, deployment, and operation of OpenStack and Kubernetes for high-performance workloads, and drive automation with infrastructure-as-code and GitOps practices.

You'll lead incident response, improve reliability, and maintain strong security across layers, collaborating with Platform, DevOps, AI, Product, and Support teams to align capabilities with customer needs.