Salary: £42,000 - 48,000 per year Requirements: We require recent, hands-on project experience with Cisco Catalyst SD-WAN (formerly Viptela). We require proven expertise with vManage, vBond, vSmart, SD-WAN policy design, segmentation, and overlay/underlay architecture. We require experience leading WAN transformation and migration strategy in enterprise-scale environments. We require strong technical knowledge of WAN edge deployment and policy control. We require enterprise routing and switching experience, including BGP, OSPF, MPLS, and VPN technologies. We require experience with network segmentation and secure WAN architecture. We require experience in design governance and technical assurance for large-scale enterprise or multi-site network transformations. We require the ability to operate as a technical authority in complex, highly regulated environments. We require strong leadership, stakeholder engagement, and solution assurance skills. We prefer Cisco certifications such as CCNP, CCIE Enterprise Infrastructure, or equivalent. We prefer experience integrating SD-WAN with security platforms and cloud environments. We prefer ITIL or enterprise governance exposure. We prefer automation and infrastructure-as-code experience. Responsibilities: We act as the technical design authority for Cisco Catalyst SD-WAN solutions. We lead end-to-end WAN architecture and design assurance activities. We define SD-WAN strategy, governance, standards, and best practices. We review and approve low-level and high-level designs. We provide technical leadership across delivery, engineering, and operational teams. We engage with senior stakeholders, security teams, and enterprise architects. We ensure solutions align with regulatory, security, and operational requirements. We support complex migration, transformation, and integration activities. We provide escalation support for critical technical issues and design challenges. Technologies: Cloud Cisco Firewall Support ITIL MPLS Network Security VPN DevOps More: We are seeking a highly experienced Senior Network Design Authority to lead the design, governance, and technical assurance of enterprise-scale WAN transformation programmes. This role is focused specifically on Cisco Catalyst SD-WAN / Viptela and is not a general network engineering or firewall implementation position. We operate in complex, highly regulated environments and need someone who can provide strategic SD-WAN design leadership, technical governance, and assurance for mission-critical networks. The successful candidate will work closely with delivery, engineering, operational, security, and architecture stakeholders to ensure robust, secure, and compliant WAN solutions. last updated 21 week of 2026