ALOK NIGAM

Network Engineer with experience supporting and maintaining a 24/7 enterprise network, wireless, SD-WAN, and cloud infrastructure. Skilled in incident management (P1–P4), SLA compliance, troubleshooting, root cause analysis (RCA), network monitoring using ServiceNow, LogicMonitor, and Cisco DNAC, firmware upgrades, disaster recovery (DR), and vendor coordination with Cisco, Meraki, and Juniper TAC. Experienced in managing routers, switches, wireless, Meraki, and AWS cloud networking, while resolving performance, latency, and connectivity issues.

• Experienced Network Engineer responsible for maintaining and supporting enterprise network infrastructure across global Teleperformance sites. Skilled in configuring, monitoring, troubleshooting, and implementing network changes on Cisco, Juniper, and Palo Alto devices, including routers, switches, wireless controllers, and firewalls. Provides 24/7 operational support, manages incident resolution, performs emergency break/fix during outages, executes hardware upgrades and site deployments, collaborates with cross-functional teams, and ensures network performance, scalability, SLA compliance, and accurate technical documentation.

Network Engineer with experience in deploying and supporting enterprise network infrastructure. Skilled in troubleshooting LAN/WAN networks, routers, and switches, including VLAN, VTP, STP, EtherChannel, BGP, and OSPF. Experienced in handling P1–P4 incidents, ensuring SLA/MTTR compliance, and coordinating with cross-functional teams, telecom providers, and Cisco TAC to resolve critical network issues. Proficient in LAN configuration (SSH, SNMP, Logging Server, TACACS), incident and change management, business continuity testing, technical documentation, and service improvement initiatives. Hands-on experience with enterprise tools, including ServiceNow (SNOW), PuTTY, CyberArk, Grafana, Riverbed, NGSD, Config-Store, WAN/MAN Dashboard, NIAB, SOE SMARTS GERT, and Visual Pulse Detector, for network monitoring, troubleshooting, and operational support.

Managed branch network infrastructure across multiple customer locations, including LAN, WAN, internet, intranet, and wireless networks. Coordinated with the NOC, Data Center teams, ISPs, and vendors to troubleshoot network issues, maintain SLA compliance, and resolve escalations. Experienced in installation, commissioning, and troubleshooting of leased lines, VSAT, RF links, bandwidth upgrades, and managed network services. Proficient in Remedy ticketing, incident management, and ensuring timely issue resolution within defined ETRs.

• Managed network infrastructure for bank branches, including installation, configuration, and maintenance of enterprise-wide LAN, WAN, and network segments. Provided technical support for over 100 users through the Remedy ticketing system, ensuring timely issue resolution. Experienced in troubleshooting routing and switching issues, configuring Cisco routers and switches, performing IOS upgrades, and device maintenance. Skilled in implementing and managing routing protocols such as BGP, OSPF, RIP, and EIGRP, as well as load balancing, route redistribution, VLANs, and Network Access Control (NAC), to optimize network performance and security.

• Working in server, LAN support, desktop support, printer, and mail configuration.
• Lead the MCR team manging 10 menmers shift rotation .