Infrastructure Network Engineer

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.