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 spineleaf 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 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. Qualification 15 years full time education