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
About Cognizant:
Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization’s unique context into technology systems that amplify human potential, drive tangible outcomes and keep global enterprises ahead in a fast-changing world. See how at cognizant.ai or @cognizant.
Additional employment information
Compensation information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.
Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.
Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, state or local laws.
If you have a disability that requires reasonable accommodation to search for a job opening or submit an application, please email [email protected] for roles based in the Americas or [email protected] for roles based in India.
