Senior Network Engineer WAN and Cloud Connectivity GCS Associate Director

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The Senior Network Engineer - WAN & Cloud Connectivity within Global Connectivity Solutions (GCS) is responsible for the engineering, implementation, optimisation, automation, and lifecycle management of secure, resilient, and high‑performing global WAN and connectivity services. The role provides hands‑on technical leadership across routing, switching, SD‑WAN, Internet connectivity and peering, B2B IPsec and L2TP VPN, DDoS mitigation, cloud connectivity, and other related network platforms.

The successful candidate will combine deep WAN expertise with broad enterprise networking knowledge across office wired and wireless networks, Internet edge, and infrastructure services. Working with product owners, architecture, operations, information security, cloud engineering, service providers, and technology vendors, the role develops standards and designs, leads complex implementations and migrations, resolves advanced technical issues, and improves service reliability, security, scalability, and operational efficiency.

• Provide hands‑on technical leadership for the design, implementation, migration, optimization, and lifecycle management of global WAN services.
• Design and support advanced routing and switching solutions using BGP, OSPF, route redistribution, policy controls, Quality of Service (QoS), traffic engineering, high availability, and IPv4/IPv
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• Lead SD‑WAN engineering across branch offices, data centres, cloud environments, SaaS platforms, secure web gateways, and local Internet breakout.
• Engineer Internet edge and peering solutions, including transit, carrier interconnections, route policy, DNS dependencies, DDoS mitigation, capacity planning, resiliency, and performance optimisation.
• Design and support secure B2B connectivity using site‑to‑site IPsec and L2TP VPNs, partner interconnections, extranet services, segmentation, and security controls.
• Design and implement hybrid and multi‑cloud connectivity, including Microsoft Azure Express Route, cloud transit architectures, private connectivity, and integration with AWS and Google Cloud where required.
• Provide technical expertise across office wired and wireless networks, including campus and branch switching, Wi‑Fi, RF design, guest networking, and Network Access Control (NAC).
• Maintain an enterprise‑wide perspective, understanding how network decisions affect security, cloud, applications, operations, user experience, cost, and service resilience, and lead end‑to‑end technical design across these domains.
• Translate business, security, operational, and service requirements into cohesive end‑to‑end technical designs, including high‑level and low‑level designs, implementation plans, configuration standards, and test plans.
• Develop and maintain network standards, reference architectures, configuration templates, engineering procedures, operational documentation, and support handover materials.
• Lead laboratory validation, proof‑of‑concept testing, pilot deployments, technology evaluations, and technical aspects of RFI and RFP activities.
• Provide advanced escalation support for complex incidents, performance problems, interoperability issues, and major service disruptions, including root cause analysis and corrective actions.
• Partner with Network Operations and Service Management to ensure solutions comply with change management, ITSM, monitoring, security, and operational readiness requirements.
• Collaborate with service providers, carriers, cloud providers, and OEMs to resolve…