RHEL Virtualization Architect

Job description

Role

RHEL Virtualization Architect Job Type: Permanent Location: London UK Mode of Working: Hybrid Number of hours: 40 hours per week – full time The Role As a RHEL Virtualization Architect, you will be responsible for designing and delivering vendor neutral architecture for Red Hat OpenShift within a Telco Cloud environment. You will define platform components, infrastructure topology, and integration patterns to support secure, scalable, and resilient deployments.

You will play a key role in shaping migration strategies, enabling automation, and ensuring alignment with enterprise architecture and operational standards.

Key responsibilities

• Provide architecture and design consultancy to ensure seamless integration with external systems and automation frameworks.
• Lead migration planning from Tanzu to OpenShift, including dependency mapping, downtime planning, and rollback strategies.
• Support migration of non-production clusters to OpenShift environments.
• Design and implement OpenShift lifecycle management processes, including patching, upgrades, monitoring, and alerting.
• Drive load balancer migration from AVI to MetalLB, including design, planning, and execution.
• Evaluate Container Network Interface (CNI) options and provide recommendations aligned to performance and scalability requirements.
• Support the design of network fabric and IP architecture for Red Hat and Wind River environments using Cisco and Arista technologies.
• Contribute to infrastructure services design, including load balancers, firewalls, DNS, NTP, AAA, and related components.
• Ensure infrastructure environments are optimised, scalable, and aligned with sustainability goals, including hardware efficiency.
• Deliver end-to-end design documentation, including blueprints, runbooks, test plans, and acceptance criteria.
• Oversee supplier deliverables to ensure compliance with architectural standards and design specifications.
• Support storage design and integration, including evaluation of CSI and solutions such as Pure Storage.

Desirable skills/knowledge/experience

• Strong experience with Red Hat OpenShift, Kubernetes, and Tanzu platforms.
• Proven experience planning and executing platform migrations, particularly from Tanzu to OpenShift.
• Knowledge of platform lifecycle management, including upgrades, patching, and monitoring.
• Strong expertise in data centre networking, including leaf-spine architecture and IP fabric design using Cisco or Arista technologies.
• Experience with load balancing solutions such as AVI and MetalLB, as well as CNI and core network services.
• Ability to design scalable, resilient architectures within Telco Cloud or similar environments.
• Experience with system integration and automation-driven deployments, including CI/CD or Infrastructure as Code principles.
• Knowledge of storage platforms and integration, including CSI and enterprise storage solutions.
• Ability to produce detailed architecture documentation, including blueprints and operational artefacts.
• Experience in vendor management, design governance, and ensuring compliance with architectural standards.