About This Role
This role is for a highly experienced Network Subject Matter Expert with deep expertise in Cisco SD-WAN, SD-Access, DNA Center (Catalyst Center), Cisco ACI, and Wireless technologies. The individual will be responsible for end-to-end design, deployment, migration, operations, and Tier-3 support of large-scale enterprise networks, actively engaging with client stakeholders, driving complex troubleshooting, and ensuring secure, resilient, and scalable network solutions.
Responsibilities
- Act as Subject Matter Expert (SME) for end-to-end design, deployment, configuration, and operational support of Cisco SD-WAN components: vManage, vSmart, vBond, WAN Edge (ISR, ASR, vEdge, cEdge)
- Lead large-scale branch onboarding and migration from MPLS to Internet/Hybrid WAN
- Troubleshoot complex overlay, control plane, and data plane issues
- Manage traffic forwarding, QoS, encryption, and intelligent path selection
- Engage with client SMEs and stakeholders to provide technical inputs, review architecture and design, and execute and validate design changes
- Configure and optimize Application-Aware Routing (AAR), Centralized control, data, and application policies, and Traffic engineering and failover mechanisms
- Provide Tier-3 / SME-level operational support for Cisco SD-WAN and SD-Access environments
- Lead and drive complex troubleshooting calls to resolution with strong technical and communication skills
- Perform Root Cause Analysis (RCA) for critical network incidents
- Develop, maintain, and update Standard Operating Procedures (SOPs), Runbooks and troubleshooting guides
- Design and deploy Cisco SD-Access fabric architecture
- Configure and manage Fabric Edge, Control Plane, and Border Nodes
- Configure Layer 2 / Layer 3 Virtual Networks (VNs), Scalable Group Tags (SGTs) and policy-based segmentation
- Implement identity-based access control using Cisco ISE
- Integrate SD-Access with Wireless infrastructure (Cisco Catalyst 9800 / AireOS) and Campus switching (Cisco Catalyst 9000 series)
- Troubleshoot fabric issues related to Policy enforcement, Endpoint onboarding, and Fabric connectivity
- Design and implement Cisco ACI fabric architecture, including spine-leaf topology
- Deploy and configure APIC controllers, Spine and leaf switches
- Perform fabric provisioning and underlay/overlay configuration
- Configure ACI constructs: EPGs, VRFs, Bridge Domains, Contracts and Filters
- Implement policy-based automation for security and connectivity
- Troubleshoot ACI fabric connectivity issues (VXLAN, spine/leaf, overlay)
- Provide advanced troubleshooting for Cisco Wireless, including RF interference and performance issues, Controller and AP configuration, Roaming problems, Security/authentication failures (802.1X, WPA2/WPA3), and Client connectivity and onboarding issues
