Senior Infrastructure Engineer

NexGen Cloud

Senior Infrastructure Engineer managing OpenStack and Kubernetes environments at NexGen Cloud. In charge of platform performance, scalability, and reliability for GPU workloads.

Posted 6/8/2026full-timeRemote • 🇬🇧 United KingdomSeniorWebsite

Tech Stack

Tools & technologies

CloudKubernetesLinuxOpenStack

About the role

Key responsibilities & impact

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

Requirements

What you’ll need

Strong hands-on experience running OpenStack in production environments
Proven experience operating Kubernetes at scale — ideally 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
Experience integrating Kubernetes with OpenStack (Nice to Have)
Exposure to GPU infrastructure, HPC, or large-scale compute environments (Nice to Have)
Familiarity with advanced networking or cloud-native ecosystems (Nice to Have)
Contributions to open-source projects (Nice to Have)

Benefits

Comp & perks

Competitive salary and annual discretionary bonus scheme
Employee wellbeing benefits
25 days of holiday, plus public holidays
Flexible working arrangements (remote or hybrid, depending on role and location)
Real ownership and autonomy, with the trust to take initiative and experiment
The opportunity to make a visible, meaningful impact as we scale
Clear career progression and growth opportunities in a fast-growing company
A collaborative, international culture built on trust, transparency, and ownership
The chance to help shape NexGen Cloud's team, culture, and future alongside ambitious, mission-driven colleagues

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Hard Skills & Tools

OpenStackKubernetesinfrastructure-as-codeGitOpsGPU workload schedulingmonitoringloggingalertingLinuxnetworking

Soft Skills

ownership mindsetincident responsecontinuous improvementcollaboration