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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network Engineering Specialist - **Company:** BT Group - **Location:** Ipswich, UK - **Contract:** Permanent contract - **Skills:** Border Gateway Protocol, Cloud Computing, Cloud Engineering, Computer Networks, Data Centers, Internet Protocol, Multi-protocol Systems, Python (Programming Language), Kernel-Based Virtual Machine, Network Architecture, Network Planning and Design, Routing, Network Service, OpenStack, Systems Integration, Virtualization Technology, Juniper, SDN Network, Open Network Automation Platform, Cisco - **Published:** September 28, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=1eb32eb1ea361ea2 ## About the Role * Expertise in large-scale IP networking, including BGP, EVPN/VXLAN, routing, switching and data-centre fabric design. * Proven ability to lead network architecture, produce HLDs/LLDs, assess technical trade-offs and act as a technical design authority. * High level understanding of cloud networking and network automation, including integration with cloud/NFVi platforms and software-defined networking concepts. Desirable Skills / Experience * Extensive experience designing and delivering large-scale IP network and data centre fabric solutions within telecoms, cloud, or critical infrastructure environments. * Proven experience designing leaf-spine, underlay/overlay and tenant-segmented network fabrics, including large-scale transformation and vendor migrations. * Knowledge of cloud, virtualisation and NFVi platforms, with experience integrating networking into OpenStack, OVN, KVM and related technologies. * Ability to translate complex requirements into standardised, secure, scalable and supportable designs while assessing risks, trade-offs and operational impacts. * Strong stakeholder, vendor and technical leadership skills, with experience producing design documentation, driving engineering best practice and mentoring teams. ## Description The Network Design Specialist leads the design, evolution and technical assurance of BT's Network Cloud fabric, supporting critical Mobile, Voice, Broadband and cloud-hosted network services. The role provides expertise in IP networking, EVPN/VXLAN data centre fabrics, overlay networking, connectivity and service integration, ensuring the platform delivers future scalability, resilience, performance and operational supportability. Acting as a senior Network Cloud design authority, the role combines network engineering, cloud infrastructure, SDN and automation expertise to drive fabric evolution, including the transition from Juniper to Cisco architectures. Working closely with tenants, platform engineering, operations and strategic vendors, the successful candidate will translate complex requirements into robust, supportable designs while establishing standards, reusable patterns, documentation, testing evidence and operational handover processes. What you'll be doing * Produce high and low-level designs for the Network Cloud fabric and tenant connectivity. * Lead Network Cloud fabric design across routing, switching, EVPN/VXLAN and overlays. * Define and assure standard patterns for connectivity, onboarding and platform growth. * Translate tenant requirements into scalable, repeatable and supportable solutions. * Provide expertise in IP networking, MPLS/WAN integration, VRFs, routing policy and resilience. * Collaborate with 21CN and WAN engineering teams to ensure robust end-to-end designs. * Drive platform transformation, automation, lifecycle management and Cisco migration initiatives. * Lead design reviews, technical investigations and solution option assessments. * Assess risks, dependencies, interoperability and operational impacts of network changes. * Establish design standards, documentation, reusable patterns and provide technical leadership to engineering, NOC teams and strategic vendors. ## Related Videos - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [Unlocking the potential of Digital & IT at Vodafone](https://www.wearedevelopers.com/videos/602-unlocking-the-potential-of-digital-it-at-vodafone) - [Creating a routing app with Google Maps API from scratch](https://www.wearedevelopers.com/videos/831-creating-a-routing-app-with-google-maps-api-from-scratch) - [Embracing the Hybrid Cloud: Unlocking Success with Open Source Technologies](https://www.wearedevelopers.com/videos/883-embracing-the-hybrid-cloud-unlocking-success-with-open-source-technologies) - [Computer Vision from the Edge to the Cloud done easy](https://www.wearedevelopers.com/videos/263-computer-vision-from-the-edge-to-the-cloud-done-easy) - [A Technical Introduction to Bitcoin's 2nd Layer- The Lightning Network](https://www.wearedevelopers.com/videos/15-a-technical-introduction-to-bitcoin-s-2nd-layer-the-lightning-network) ## Related Articles - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Basic And Advanced Networking in Dart and Flutter](https://www.wearedevelopers.com/magazine/112-basic-and-advanced-networking-in-dart-and-flutter) - [IT Salaries in UK](https://www.wearedevelopers.com/magazine/288-it-salaries-in-uk) - [UK Business Culture and Etiquette](https://www.wearedevelopers.com/magazine/326-uk-business-culture-and-etiquette)