Senior Infrastructure Engineer (OpenStack) - Australia

NexGen Cloud is a rapidly growing IaaS company focused on providing innovative cloud solutions and infrastructure services. Our GPU cloud infrastructure solutions accelerate development in industries such as Artificial Intelligence & Machine Learning, VFX & Rendering, Data Science & IoT, and Computer Aided Engineering & MDO. We are dedicated to helping our clients navigate the complexities of the digital world and achieve success through cutting-edge, scalable, secure and affordable solutions. At the company's heart stands a group of very talented, experienced, and motivated individuals who want to make a positive change and a lasting impact on the tech world. Position Summary: We’re looking for a Senior Infrastructure Engineer with deep OpenStack and strong Kubernetes expertise to join our Infrastructure Engineering team. You’ll play a key role in shaping and scaling our GPUaaS offering, combining the flexibility of OpenStack with the automation and developer-centric capabilities of Kubernetes. In this role, you'll design GPU-optimized Kubernetes clusters, build multi-tenant GPU infrastructure, and contribute to automation, observability, and CI/CD tooling across the platform. Key Responsibilities:

• Cloud & Container Platform Design Architect and deploy OpenStack and Kubernetes clusters designed for GPU scheduling, high performance, and multi-tenant workloads.
• Infrastructure Automation Automate deployment pipelines for cloud infrastructure using Terraform, Ansible, Helm, and Kubernetes Operators.
• GPU Workload Enablement Build and manage GPU-ready container runtimes, NVIDIA device plugins, and Kubernetes-native GPU provisioning frameworks.
• Cluster Operations & Observability Ensure high availability and performance of OpenStack and Kubernetes clusters using tools such as Prometheus, Grafana, Loki, and Thanos.
• Security, Policy & Governance Implement secure namespace isolation, RBAC, and network policies across OpenStack and Kubernetes layers.
• Collaboration & Mentorship Work cross-functionally with DevOps, AI, Support, and Product teams to align infrastructure services with platform goals. Provide guidance on Kubernetes best practices.

Qualifications and Skills:

• 5+ years of experience with OpenStack in production environments.
• 3+ years of experience managing production-grade Kubernetes clusters, including bare-metal or private cloud environments.
• Strong hands-on expertise with:

• Kubernetes operators, Helm, and custom resource definitions (CRDs)
• GPU orchestration in Kubernetes using NVIDIA tools
• Multi-cluster or federated Kubernetes

• Proficiency in Linux, Ceph, networking (Calico/Cilium), and infrastructure scripting (Python, Bash).
• Strong knowledge of cloud-native security, policy frameworks, and service meshes.
• Experience with CI/CD pipelines, GitOps, and infrastructure-as-code tooling (Terraform, Ansible, ArgoCD).

Good to have:

• Experience integrating Kubernetes with OpenStack.
• Prior contributions to Kubernetes SIGs or CNCF projects.
• Knowledge of GPU metering, billing, and quota enforcement.
• Familiarity with HPC environments, InfiniBand/ROCEv2 networking, or Slurm integration.

What We Offer:

• Competitive salary
• 100% home-office
• Full-time permanent contract.
• Opportunity to work with a diverse team of talented professionals who are passionate about technology and innovation.
• A collaborative and supportive work environment that encourages professional growth and development.
• Exposure to cutting-edge technologies and the opportunity to make a significant impact on the future of cloud computing.
• Possibility to participate on international events

We encourage applications from candidates of all backgrounds and experiences. Our commitment to diversity and inclusion drives our success as a company and reflects our dedication to fostering a diverse and innovative workforce. Join our team and become a part of the NexGen Cloud Team, where innovation, collaboration, and growth are at the heart of everything we do. If you are a passionate, talented, and motivated individual looking to make a difference, apply now!