Cloud Infrastructure Architect/Engineer

The role is part of their Cloud Network Infrastructure (CNI) team responsible for delivering and supporting mission-critical infrastructure across private and hybrid cloud environments.

You will play a key role in modernising infrastructure platforms, including Kubernetes, storage, virtualisation, and directory services, ensuring high availability and operational efficiency.

The role involves both hands-on engineering and design activities, supporting ongoing transformation initiatives and BAU support of critical systems.

Key Responsibilities

• Design and execute Windows Active Directory migration to new environments
• Design, Implement and maintain OS patching solutions for both Linux and Windows platforms aligned with best practices
• Build and configure a virtualisation environments (eg Proxmox) to migrate ISE from VMware to the new environment
• support the implementation of the new Kubernetes (K8s) clusters,
• Support build, integration, and operation of cloud infrastructure (private and hybrid cloud environments)
• Assess and optimise existing ESXi environments, including defining and executing exit/migration strategies
• Support hardware installation and infrastructure deployment activities where required
• Perform level 3 troubleshooting and incident resolution across infrastructure and platform layers
• Work with internal engineering and architecture teams to define and improve future platform designs
• Support automation, provisioning, and orchestration for infrastructure deployments
• Conduct testing and validation in lab environments for new releases, patches, and infrastructure changes
• Produce technical documentation including HLD, LLD, and operational procedures (MoP/runbooks)
• Participate in operational support including on-call rota if required
• Kubernetes (design, deployment, operations)
• Virtualisation platforms (VMware ESXi and Proxmox)
• Solid experience in Linux (RHEL or equivalent) and Windows environments
• Experience with storage technologies including CEPH, SAN/NAS, or enterprise storage platforms
• Proven experience in Active Directory migration and management
• Strong understanding of infrastructure automation and Scripting (eg Python, Shell)
• Experience troubleshooting complex infrastructure issues (L3 support)
• Knowledge of cloud platforms (OpenStack, AWS, Azure or similar)
• Experience working in mission-critical/high availability environments
• Strong understanding of networking fundamentals and infrastructure integration

Desirable Skills

• Experience with:
• OpenStack/Mirantis
• Infrastructure APIs (REST, automation tooling)
• Enterprise backup and storage systems
• Exposure to hybrid cloud environments
• Experience working with telecoms or highly regulated environments