Routing Switching Networking - Expert
Cognizant
Tech stack mentioned
Role overview
Formatting this description...
a { text-decoration: none; color: #464feb; } tr th, tr td { border: 1px solid #e6e6e6; } tr th { background-color: #f5f5f5; } Network Engineer (Routing, Switching, ACI & Load Balancing) a { text-decoration: none; color: #464feb; } tr th, tr td { border: 1px solid #e6e6e6; } tr th { background-color: #f5f5f5; } 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 Good 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 Management Exposure to: Wireshark / tcpdump (Good to Have) ServiceNow Ticketing Tool (Good to Have) Network Platforms Hands-on experience with: Cisco Catalyst Switches Cisco Nexus Switches Cisco IOS / NX-OS CLI Exposure to Juniper Junos is a plus. Required Skills Routing & Switching Cisco ACI VXLAN / EVPN F5 BIG-IP or Citrix NetScaler Network Troubleshooting Cisco Nexus & Catalyst Preferred Skills Juniper Junos FabricPath SSL Offloading Wireshark / tcpdump ServiceNow Microsoft Visio Soft Skills Excellent verbal and written communication skills. Strong documentation and network diagramming capabilities. Ability to work in a collaborative, fast-paced support environment