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Network Engineer (Routing, Switching, ACI & Load Balancing)

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Job Summary

We are looking for a skilled Senior Associate – Networking with strong experience in Routing, Switching, Cisco ACI, VXLAN/EVPN, and Load Balancing technologies. The ideal candidate should possess hands-on troubleshooting expertise, operational support experience, and the ability to manage enterprise network infrastructure in a large-scale environment.

Key Responsibilities

Routing & Network Fundamentals

Hands-on experience with OSPF and BGP routing protocols.
Strong understanding of:
Static and Dynamic Routing
Route Redistribution
Routing Tables, Metrics, and Convergence Behavior
Valuable knowledge of IPv4/IPv6 addressing, including:
Subnetting
VLSM
CIDR
High Availability Technologies

Experience with network redundancy and failover solutions:
HSRP
VRRP
Switching





Strong understanding of:
VLANs and 802.1Q Trunking
Spanning Tree Protocols (STP/RSTP/MST)
Layer 2 and Layer 3 Switching
EtherChannel and LACP
Cisco ACI, VXLAN & EVPN

Hands-on experience or strong exposure to:
VXLAN Architecture
EVPN Control Plane
Cisco ACI Fabric
Spine-Leaf Architecture
APIC Controller
Knowledge of:
vPC
FabricPath (Good to Have)
Load Balancing (F5 BIG-IP / Citrix NetScaler)

Experience with:
Local Traffic Manager (LTM)
Virtual Servers, Pools, and Nodes
SSL Offloading (Good to Have)
Understanding of:
Load Balancing Algorithms (Round Robin, Least Connections, Ratio-Based)
Session Persistence / Stickiness
Health Checks and Monitoring
Layer 4 and Layer 7 Load Balancing
SNAT/NAT Configuration
High Availability and Clustering (Active-Standby)
Troubleshooting & Operations

Strong troubleshooting skills involving:
Ping, Traceroute
Routing Table Analysis
Network Incident Manage

📌 Routing Switching Networking (Chennai)
🏢 Cognizant
📍 Chennai