Network LAN Engineer – DDI (BlueCat), Cisco Catalyst Center & Cisco SD-WAN (Viptela) || Contract || Delhi/Hyderabad

Network LAN Engineer – DDI (BlueCat), Cisco Catalyst Center & Cisco SD-WAN (Viptela)

Contract

Delhi/Hyderabad

Key Responsibilities

Design, deploy, configure, and support enterprise LAN infrastructure using Cisco switching technologies.

Administer and maintain BlueCat DDI (DNS, DHCP, and IP Address Management) solutions.

Manage and optimize Cisco Catalyst Center for network automation, assurance, policy management, and provisioning.

Configure, deploy, and troubleshoot Cisco SD-WAN (Viptela) components, including vManage, vBond, vSmart, and WAN Edge routers.

Perform network monitoring, health checks, capacity planning, and performance tuning.

Configure and troubleshoot VLANs, STP, EtherChannel, HSRP/VRRP, routing protocols, and QoS.

Implement network segmentation, policy enforcement, and access control.

Monitor and resolve DNS, DHCP, and IPAM-related issues while ensuring service availability.

Collaborate with security, cloud, and infrastructure teams for network integration and optimization.

Support network upgrades, migrations, maintenance activities, and change implementations.

Perform root cause analysis (RCA) for major incidents and implement preventive measures.

Maintain network documentation, topology diagrams, and operational procedures.

Ensure compliance with ITIL processes for Incident, Change, Problem, and Configuration Management.

Required Technical Skills

BlueCat DDI (DNS, DHCP, IP Address Management)

Cisco Catalyst Center (DNA Center)

Cisco SD-WAN (Viptela) – vManage, vBond, vSmart, WAN Edge

Cisco Catalyst Switches (Catalyst 9000 Series)

Routing Protocols: OSPF, BGP, EIGRP

Switching Technologies: VLAN, STP, RSTP, MSTP, EtherChannel

High Availability: HSRP, VRRP

Network Security concepts including ACLs, 802.1X, Port Security

QoS implementation and troubleshooting

SNMP, NetFlow, Syslog, Network Monitoring Tools

Cisco IOS-XE administration

Automation using Python, REST APIs, or Ansible (preferred)