Network Engineer
Title: Network Engineer L3Location: Austin, TX or San Antonio, TX or Houston, TX (Onsite)Job Summary:We are seeking a highly skilled Level 3 Network Engineer/Technical Network Lead with strong hands-on experience in Viptela SD-WAN, Cisco Wireless (Catalyst 9800), and Enterprise LAN/WAN environments. The role requires deep expertise in routing, switching, and wireless technologies, with the ability to handle complex incidents, drive root cause analysis, and support large-scale enterprise network operations. The candidate should also demonstrate strong ownership, proactive troubleshooting, and stakeholder communication skills.Must-have Qualifications & Experience:Bachelor’s degree in engineering / computer science (or equivalent)10–15 years of experience in Enterprise Network OperationsRelevant certifications preferred:CCNP / CCIE (Routing & Switching / Enterprise)Cisco Viptela SD-WAN certificationKey ResponsibilitiesAct as L3 escalation point for critical network incidents (P1/P2 issues).Troubleshoot complex issues across WAN, LAN, SD-WAN, and Wireless networks.Ensure quick restoration of services (RTS) within SLA targets.Provide advanced troubleshooting for:Viptela SD-WAN fabric (Control/Data plane issues)Cisco LAN switching (VLANs, STP, EtherChannel)Cisco Wireless (Catalyst 9800 WLC, AP onboarding, policy tags)WAN circuits and routing instabilitySD-WAN & WAN Management:Deploy, configure, and troubleshoot Cisco Viptela SD-WAN (vManage, vEdge/cEdge).Handle: Overlay/underlay routing integrationPolicy-based routing & application-aware policiesVPN segmentation and secure connectivityTroubleshoot WAN issues such as:Packet loss, latency, circuit flaps, routing issues, Routing & Switching ExpertiseStrong hands-on experience with: BGP (IBGP/EBGP), OSPFRoute redistribution, route-maps, prefix-listsExpertise in: VLAN design, inter-VLAN routing, EtherChannel configuration and troubleshootingWireless Network (Cisco 9800), Manage and troubleshoot Cisco Catalyst 9800 Wireless Controllers:WLAN, Policy, Site, and RF profiles, AP provisioning (DHCP Option 43 / DNS)HA-SSO configuration and failover validation