Network Engineering Specialist

Overview

In this role, you will lead the design and evolution of BT’s Network Cloud fabric, ensuring scalable, resilient and operable IP networking across mobile, voice, broadband and cloud-hosted services. You’ll act as a senior design authority, shaping fabric architecture and standards while coordinating with platform engineering, operations and vendors. The role emphasizes automation, SDN and a transition from Juniper to Cisco architectures, with strong emphasis on documentation and handover. You will translate complex tenant requirements into robust, repeatable designs that support growth and reliability.

Pay / Benefits

• 10% on target annual bonus
• private GP access 24/7 for you and family
• maternity/paternity/adoption leave
• discounts on BT products
• pension scheme—5% from you and 10% from us
• holiday purchase scheme

Responsibilities

• Produce high- and low-level designs for 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

Key requirements

• Expertise in large-scale IP networking (BGP, EVPN/VXLAN, routing, switching)
• Ability to lead network architecture and produce HLDs/LLDs
• Understanding of cloud networking and network automation with cloud/NFVi integration

• stakeholder leadership
• vendor management
• mentoring teams
• EVPN/VXLAN
• BGP
• IP networking

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