Senior Infrastructure Engineer
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Job Description
Senior Infrastructure Engineer responsible for OpenStack and Kubernetes environments in a scaling platform at NexGen Cloud. Focused on infrastructure design, deployment, and operation for performance and scalability.
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
Requirements:
- 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
Benefits:
- 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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