BT Group
Virtualisation Architect/Virtualised Solution Architect
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Job Title: Virtualisation Architect/Virtualised Solution Architect
Req ID: 61825
Job Function: Cloud
Posting Start Date: 13/08/2026
Posting End Date: 10/09/2026
Division: Networks
Job Location: GBR Bristol - Assembly, GBR-Birmingham-Three Snowhill, GBR-London-BTHQ One Braham
Advertised Salary: Competitive with great benefits
Recruiter: Luke Byrne
Career Grade: CLD
Internal Closing Date: 10th Sept 2026
Locations: Bristol, Birmingham or London
About The Role
This role is vital to maintaining reliable international roaming services for EE customers and inbound roamers. It provides technical leadership and operational expertise to protect customer experience, service availability, revenue and the successful introduction of new roaming capabilities and technologies.
What You’ll Be Doing
- Design, build and govern VMware-based virtualisation platforms supporting mobile network and telco cloud services.
- Produce/Review High Level Designs (HLDs), Low Level Designs (LLDs), Bills of Materials (BoMs) and implementation documentation.
- Define compute, storage and networking architectures ensuring scalability, resilience and operational supportability.
- Design VMware NSX-T network virtualisation solutions including T0/T1 gateways, segments, routing and network integration.
- Ensure all hardware and software components comply with VMware Compatibility Guide (HCL) requirements.
- Lead capacity planning activities including server sizing, storage requirements, network throughput and platform resilience.
- Design and assure high availability, disaster recovery and failover capabilities across the platform.
- Support onboarding of new workloads and infrastructure into the virtualisation estate.
- Collaborate with engineering, security, operations and application teams to ensure successful delivery of infrastructure solutions.
- Support lifecycle management activities including software upgrades, hardware refreshes and platform optimisation.
- Provide technical leadership during implementation, acceptance testing and operational handover.
- Develop standards, patterns and best practices for virtual infrastructure deployments.
- Produce and maintain technical documentation, design artefacts and operational procedures.
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Essential Skills / Experience
- 5+ years designing and delivering enterprise virtualised infrastructure solutions.
- Experience designing VMware platforms in large-scale service provider, data centre or enterprise environments.
- Demonstrable experience producing HLDs, LLDs and technical architecture documentation.
- Experience with enterprise networking and storage architectures.
- Experience supporting infrastructure lifecycle management and upgrade programmes
- Expert knowledge of VMware vSphere, ESXi, vCenter and VMware infrastructure technologies.
- Strong understanding of VMware NSX-T and software-defined networking concepts.
Deep knowledge of data centre networking including:
- TCP/IP
- VLANs
- Routing and Switching
- LACP
- Network Segmentation
Experience with:
- Dell EMC, Cisco UCS and enterprise server technologies.
Strong understanding of storage technologies including:
- vSAN
- NAS
- SAN
- Fibre Channel
- iSCSI
Experience performing infrastructure capacity modelling and workload sizing.
- Knowledge of infrastructure automation and scripting using PowerCLI and Python.
- Strong analytical and troubleshooting skills.
Desirable Skills / Experience
- Experience within telecommunications or mobile network environments.
- Experience with VMware Telco Cloud Platform.
- Experience with cloud-native technologies and Kubernetes platforms.
- Knowledge of Infrastructure as Code and automation frameworks.
Our Package
- 10% on target bonus
- A BT Pension scheme, minimum 5% Employee contribution, BT contribution 10%
- From January 2025, equal family leave: receive 18 weeks at full pay, 8 weeks at half pay and 26 weeks at the statutory rate. It’s for all parents, no matter how your family is made up.
- 25 days annual leave (not including bank holidays), increasing with service
- Huge range of flexible benefits including cycle to work, healthcare, season ticket loan
- World-class training and development opportunities
- Option to join BT Shares Saving schemes.
- Discounted broadband, mobile and TV packages
- Access to 100’s of retail discounts including the BT shop
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BT Group
BT Group is the UK’s leading communications group and the holding company behind some of the country’s most recognised brands – including BT, EE, Openreach and Plusnet. Our purpose is as simple as it is ambitious: we connect for good. Our customers include consumers, small, medium and large businesses, public sector organisations and other communications providers.
BT Group’s role is about setting direction, unlocking value and creating the conditions for our brands and businesses to thrive.
Having come through the most capital-intensive phase of our fibre investment, our focus now is on what comes next – simplifying how we operate, using technology and AI to work smarter, and organising ourselves to serve customers better and grow sustainably. Group teams shape strategy, policy, brand, capital allocation and transformation, helping the whole organisation perform at its best.
We have a singular culture that unites all our people: we are customer-first challengers, who are committed, clear and connected. These behaviours unite us as one team to deliver for our colleagues, our customers, our stakeholders and the country. Joining BT Group means working at the heart of a business that matters to the UK, with the opportunity to shape decisions, influence outcomes and help set the future course of one of the country’s most important companies.
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