Infrastructure Network Engineer

Job description

Infrastructure Engineer Project Role : Infrastructure Engineer Project Role Description : Assist in defining requirements, designing and building data center technology components and testing efforts. Must have skills : Network Engineering Planning and Deployment Solution Good to have skills : NA Minimum 7.5 year(s) of experience is required Educational Qualification : 15 years full time education Summary: The role requires a highly experienced Network SME 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, while actively engaging with client stakeholders, driving complex troubleshooting, and ensuring secure, resilient, and scalable network solutions. Roles \& 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, Execute and validate design changes -Configure and optimize: Application-Aware Routing (AAR), Centralized control, data, and application policies, 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 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), Campus switching (Cisco Catalyst 9000 series) -Troubleshoot fabric issues related to: Policy enforcement, Endpoint onboarding, 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) -Client connectivity and onboarding issues Cisco DNA Center / Catalyst Center Deploy, configure, and maintain Cisco DNA Center (Catalyst Center) Utilize DNA Center for: Fabric automation and provisioning, Policy configuration and assurance, Network analytics and health monitoring -Manage software upgrades, image lifecycle, and backups -Customize workflows and integrate with external systems using APIs where required -Support change management, planned maintenance windows, and software/hardware upgrades -Ensure adherence to enterprise security, availability, and compliance standards -Professional \& Technical Skills: Strong expertise in Cisco SD-WAN, SD-Access, DNA Center, ACI, and Wireless Proven experience with large enterprise network designs and migrations Advanced skills in network troubleshooting, diagnostics, and RCA Excellent understanding of: QoS, encryption, routing, policy-based segmentation Fabric-based and software-defined networking Strong stakeholder communication and design review capabilities Ability to lead high-impact incident and troubleshooting bridge calls Additional Information: - The candidate should have minimum 7.5 years of experience in Network Engineering Planning and Deployment Solution. - This position is based at our Pune office. - A 15 years full time education is required.