Responsible for designing, implementing, and managing intricate network infrastructures and data centres, demonstrating extensive expertise in troubleshooting and resolving network issues both independently and through collaborative efforts with cross-functional teams. Adept at configuring and managing Cisco Meraki and Versa SD-WAN, wireless controllers, and access points, while showcasing a strong understanding of network hardware and software, including Cisco Catalyst, Nexus switches, and Cisco Wireless LAN Controllers. Proficient in utilising network monitoring and management tools such as Splunk, Wireshark, Logic-monitor, and Cisco DNA Centre. Demonstrated proficiency in network protocols and technologies encompassing TCP/IP, VLAN, OSPF, BGP, MPLS, MP-BGP, VNI, VTEP, VPC, VRF, VxLAN, and QoS. Skilled in network switching technologies, including VLAN configuration, trunking, stacking, port channeling, STP, RSTP, PVST, MST. ITIL Service Operations like Change/Event/Incident/Problem Management, Request Fulfilments

 Spearheaded the successful creation and integration of 57 new stores on Cisco Meraki SD-WAN, showcasing expertise in routing and switching, firewall configuration, traffic shaping, packet capture, and URL filtering. Attained excellence in WAN, LAN, security design, and network protocols like TCP/IP and IPsec VPN. Additionally, adeptly managed Cisco TAC/Meraki support cases, initiated ticketing processes, and facilitated proactive follow-ups with ISPs, ensuring the swift and timely resolution of issues.

 Proficiently managed the operation and maintenance of a diverse network infrastructure, overseeing 1100 LTE sites, catering to 150 enterprise customers, maintaining 200 small cell sites, and managing 18 campus networks. Showcased expertise in standard routing protocols such as IPv4/IPv6, MPLS, BGP, BDI, OSPF, and ISIS. Established a proven track record in troubleshooting routers and switches, executing successful upgrades, and efficiently managing various bandwidths, including 1G, 10G, 40G, 100G, and 200G across 21 AG1, 4 AG2, and 15 OADM (Nokia 1830). Additionally, demonstrated hands-on experience in handling, configuring, and troubleshooting Cisco ASR-920 O, 920 I, 903, 902, and 9010.

 Successfully achieved seamless operation and maintenance of a 120 MW hops network spanning 4 districts, comprising 53 routers/EO-PDH, and 44 transport equipment, including Fibcom, Nortel, and Marconi on STM-1, STM-4, and STM-16. Additionally, led the successful readiness for revenue of a new 3G Node-B (ZTE SDR BTS) and proficiently managed all BSS, transport, and enterprise customer-related alarms, activities, and equipment maintenance. Skilfully coordinated a 7-technician team, ensuring the efficient deployment of day-to-day activities.

 Spearheaded the successful implementation of 75 BSNL LWE sites across two blocks in the Jharkhand circle, overseeing the entire project lifecycle, including MW LOS survey, land acquisition, civil and electrical work, and equipment installation and integration. Demonstrated expert proficiency in EDSL, POE, Ethernet, and IP technologies, ensuring seamless communication. Facilitated effective project management by providing daily progressive reports and relevant updates to higher authorities. Managed and coordinated 8-member team of technicians and engineers, ensuring project progress and timely handover.

 Proactively identified and resolved root causes of disconnected network elements by addressing exclusion/material dependency issues, enhanced visibility through the update of the MW visibility portal, and efficiently managed the RMA processes for faulty materials with vendors such as Fibcom, NEC, Marconi, Nortel, and Ceragon. Effectively led and coordinated 8 maintenance points, overseeing 8 field engineers and 12 technician transport teams across the Jharkhand circle. Ensured timely follow-up and maintenance of 1100 MW hops and 106 routers.

 Demonstrated excellence in OMC-R operations, showcasing proficiency in new site configuration, alarm monitoring, troubleshooting, and the preparation and analysis of KPI reports for a network comprising 171 CDMA, 210 GSM, 160 3G BTS, and 17 BSC, 12 RNC on ZTE & Alcatel equipment. Achieved a proven track record of swiftly identifying root causes of major outages and seamlessly coordinating with TX and OFC teams for prompt and early resolution.

 Successfully executed the installation, commissioning, and alignment of 200 NEC and Ceragon microwave hops, alongside the installation and configuration of 70 new Maipu and Cisco routers, contributing to the expansion of the Jharkhand circle. Enhanced MW link visibility and implemented efficient NMS & fault management systems, ensuring seamless network operations.