Senior Platform & Infra Architect - Hybrid Cloud

Imagination Technologies Limited; Bagstone; On-site; GBP 90,000 - 130,000; Full time

Job summary

Imagination Technologies Limited in the United Kingdom is seeking a senior Infrastructure/Platform Architect to own end-to-end platform design, spanning bare-metal through cloud and orchestration. You will lead on-prem virtualization (Proxmox/VMware) and hybrid Azure strategy, defining secure interfaces between infrastructure and application logic.

You will establish RBAC, secrets management, and IaC practices while mentoring the team and guiding security, networking, and deployment patterns for

Qualifications

• Extensive experience in infrastructure/platform engineering with production ownership.

Responsibilities

• Own the end-to-end platform architecture from bare-metal through cloud and orchestration.
• Design on-prem virtualization layer (Proxmox/VMware) for compute clusters and dev/test envs.
• Design hybrid Azure architecture including compute bursting, cost controls, and workload placement.
• Architect network topology with secure ingress/egress between on-prem, cloud, and external services.
• Define RBAC models, SSO/federation, and least-privilege policies across platform components.
• Own secrets management strategy (Vault/Key Vault) and avoid leaks in logs/artifacts.
• Build IaC (Terraform) and configuration management (Ansible) to provision environments.
• Define security baselines: patching cadence, vulnerability scanning, audit logging.
• Mentor team on infra and security patterns; unblock others efficiently.
• Participate in incident response and capacity planning for production workloads.
• Evaluate build-vs-buy for infrastructure tooling.

Skills

Infrastructure architecture

Azure / cloud expertise

On-prem virtualization

Terraform

Ansible

Security architecture

RBAC & IAM

Secrets management

Kubernetes

Networking basics

Tools

Terraform

Ansible

Vault/Key Vault

Prometheus/Grafana

Docker/Kubernetes

Job description

Imagination Technologies Limited in the United Kingdom is seeking a senior Infrastructure/Platform Architect to own end-to-end platform design, spanning bare-metal through cloud and orchestration. You will lead on-prem virtualization (Proxmox/VMware) and hybrid Azure strategy, defining secure interfaces between infrastructure and application logic.

You will establish RBAC, secrets management, and IaC practices while mentoring the team and guiding security, networking, and deployment patterns for