SD WAN Network Design Engineer (Tier 3)

We are the Intelligent Internet Platform. We connect People, Places and Things anywhere, managing Internet Performance better than anyone else, while providing One Global Experience, giving Visibility, Control and Security through expereoOne. Expereo believes in the power of Internet connectivity. As the world's largest provider of managed internet, SD-WAN/SASE, and Cloud connectivity solutions, we power enterprises and government sites worldwide, helping to enhance every business' productivity with flexible and optimal Internet performance. As a trusted partner of Fortune 500 enterprises, our continued aim and success in helping our customers and partners depends solely on the talented individuals who make Expereo a dynamic, effective, multicultural, and equitable environment. About the Role This is a senior-level, advanced engineering role requiring a minimum of 7 years of hands-on experience in network design, routing & switching, and SD-WAN technologies. You will be responsible for designing and delivering cutting-edge SD-WAN and SASE solutions across diverse customer environments. You’ll work across multiple vendors and technologies, engaging in both customer-facing solution design and hands-on implementation. This role is centered around creating new solutions—not maintaining existing ones. As part of a high-performing Engineering team, you’ll take ownership of end-to-end solution design, oversee technical delivery, and provide Day 1 support before transitioning the solution to operational teams. You’ll collaborate closely with our Solutions team to align customer requirements with the most appropriate mix of technologies and vendors. The role also has an R&D component—evaluating emerging features, conducting interoperability testing, and contributing to our next-generation network and automation platforms. We’re looking for a hands-on network design expert with a solid foundation in routing, switching, and SD-WAN who thrives in a dynamic, customer-facing environment. ** Certifications in networking and SDWAN domains highly valued. Responsibilities Act as Technical Design Authority for complex customer projects, from pre-sales through to post-deployment support transition. Lead the design and delivery of end-to-end solutions incorporating multiple underlay and overlay technologies. Engage in pre-sales activities, supporting solution engineers and sales teams with design guidance and vendor comparisons. Collaborate with the support team for high-priority escalations and deep troubleshooting. Produce comprehensive technical documentation—including HLDs, LLDs, testing plans, and network diagrams. Conduct R&D testing on new SD-WAN and SSE/SASE vendors, technologies, and features. Support the Service and Network Automation team on platform integrations and feature development. Design and deliver customer solutions over Expereo’s global IP backbone, using advanced routing skills and deep knowledge of service-provider network. Deliver Day 1 support post-deployment, ensuring smooth handover to the operations team. Requirements Must Have Deep understanding of routing and switching protocols: BGP, OSPF, IPsec, GRE, MPLS, IPv4/IPv6 Professional-level certification or equivalent expertise (e.g., CCNP, CCIE) Hands-on experience with SD-WAN technologies; strong conceptual grasp preferred over vendor-specific depth (e.g., VeloCloud (preferred), Viptela, Cato, Meraki) Strong troubleshooting skills including packet analysis using tools like Wireshark Experience with Day 1 support—validating deployment success before handover Deep understanding of Layer 2 networking, including VLANs (dot1q) Familiarity with higher-level protocols such as DNS, SSL, TCP/UDP Ability to guide through SD-WAN orchestrator workflows and configuration Should have Working knowledge of ZTNA and SSE technologies (e.g., Zscaler, Netskope, Cato) Experience designing and implementing solutions across multiple underlay and overlay technologies Cloud networking or virtualization exposure (e.g., AWS, Azure, VMware) Experience working closely with support teams for escalation and resolution Strong documentation skills, including: High-Level Designs (HLD) Low-Level Designs (LLD) Test plans, network diagrams, and deployment guides Nice to have Familiarity with observability tools like Grafana, InfluxDB Exposure to REST APIs and scripting (e.g., Python, PowerShell) Understanding of CI/CD pipelines and contribution to automation platforms Awareness of current networking and security market trends Soft Skills Strong communication and presentation skills—comfortable engaging both technical and non-technical stakeholders. Ability to translate business requirements into scalable technical solutions. Proven ability to own and resolve complex design and delivery challenges. Team player with a collaborative mindset and a drive to continuously learn and innovate. Benefits Beyond the Job We’re proud of our focus on Environment, Social and Governance as well as the passion we display for the communities where we live and work. EEO (Equal Employments Opportunities) Statement: Expereo is an Equal Opportunities employer who aims to support and celebrate every employee that comes through our doors. We respect and support all of our people regardless of background, religion, nationality, sexual orientation, age, or physical condition.