Jun 2021 – Dec 2022 · 1 yr 6 mos · Singapore, Singapore

Jan 2020 – Jun 2021 · 1 yr 5 mos · Singapore

Sep 2019 – Nov 2019 · 2 mos · Dubai, United Arab Emirates

May 2018 – Sep 2019 · 1 yr 4 mos · Hyderabad Area, India

• Building AMD Data center transformation, Multiple enterprise Network Projects, Team building, Global Network support, Team building and managing. Handling Cisco Nexus, HPE Data center Flex Fabric switches, Aruba Wireless, Switches, Clearpass, Azure, Infoblox, QIP, Lantronix devices, Cisco WLC, Aruba AIP, HP IMC, etc.

Apr 2017 – Jan 2018 · 9 mos · Bangalore

• Responsible for very large scale Data centers design, deployment & support for INTUIT involving multi-vendor multi-technologies, like Cisco ACI, Nexus 9k/7k/5k/2k, Big IP LTM/GTM & AVI load balancers, Cisco Routers/Cat 6807/4500, Juniper Firewalls, ASA 5585 , juniper SRX 5800 firewalls, ACI infrastructure and maintained efficient network solutions based on needs involving R&S, Data Center, security, wireless technology as well as ITIL project management etc.

Sep 2016 – Apr 2017 · 7 mos · Bangalore

• As a Leader, responsible for very large scale network design, deployment & support for News Corp UK & Ireland Limited involving multi-vendor multi-technologies, like Cisco Nexus 7018/77110,5548/2248/UCS/MDS/ISE/WLC-5520/5508,ISR/ASR Routers/Cat 6500/4500/6807, Juniper/Paloalto Firewalls, Juniper SSG, ASA 5585 firewalls, Arbor Networks SP for Automated DDoS Attack Mitigation and Service Visibility Fire Eye Malware Analysis and maintained efficient network solutions based on needs involving R&S, Data Center, security, wireless technology as well as ITIL change management, incident management, problem management etc. .

Apr 2015 – Sep 2016 · 1 yr 5 mos · Mumbai Area, India

• We are building Cisco Application Centric Infrastructure (ACI) 16 Next-Gen PoD (Performance Optimized Data Center) Architecture Data Center Networks across the India. The cutting edge Data Centers Network architecture. Playing with lakh of Cisco Nexus switches like 9396/9508/7718/7010/5672/5548/6001/6004/3001/2248. Deploying Cisco Nexus switches. troubleshooting, prepare technical documentations, co ordinate with rack mounting, OFC patching, server team etc. Basically we are using Cisco Nexus-2K/5K/7K/9K, UCS, MDS 9710/9100 switches, Citrix, 5585X ASA Firewalls, HP rack mount servers, EMC vMAX JBOD storage, Wireless Controllers, ASR routers products in our data centers.
• Cisco Nexus product family (2232/2248,3000/6001/5548/5596/5672,7010/7018/9396/9508), VDC, FCoE, ISSU, FHRP, LISP, OTV, Port-channel, call home, trust sec, peer-link, peer keep alive link, CFSoE, FeX, NX-OS, vPC (vPC+, evPC,Double sided vPC, back to back vPC, Dual homed FEX vPC, vPC peer-link), NX-OS port-profile, active active FEX, RBAC, fabricpath

Oct 2013 – Apr 2015 · 1 yr 6 mos · Kolkata

• Sr. Network Engineer (L3/L4) with 7.5+ years of experience in configuration, expertise in troubleshooting, implementation involving multi-vendor multi-technologies, like Cisco/ Juniper/ checkpoint/ F5/ Extreme/ Avocent/ Avaya/ Silver-Peak. Maintained efficient network solutions based on customers needs involving R&S, Security, Wireless, Data Center Technology as well as ITIL project management. Being an expert having strong analytical & excellent problem solving skills, hardworking, responsible for independence challenging tasks, professionalism, excellent time management, set priorities & make well-considered decisions
• As a part of the Level 3 global Network & Security team, I have to manage & ensure the production traffic through MPLS Network for customers at around the globe as well as defining & deploying new network architecture. Ensure the administration & operation of network infrastructure LAN, WAN, WLAN, DMZ including Cisco ISR/ASR Routers, Catalyst 6513 & Nexus, Juniper MX4200 Switches, ASA 5585, SRX/SSG firewalls, Checkpoint 12600 Security Gateway’s, 5508 Wireless controllers, 2602 LWAP Access Points & 2400 Viprion chassis, F5 load balancers. Performance analysis through riverbed, troubleshooting network problems and escalating the issues on 24x7 basis. Achieve 100% SLA incident management tickets.

Apr 2013 – Sep 2013 · 5 mos · Bangalore

• To provide Level 3 supports for Vmware Corporate & Engineering (R&D) clients around the globe from Vmware Global Network Control Center.

Dec 2012 – Feb 2013 · 2 mos · Bangalore

• Handling the customer Wi-Fi issues especially on Access Points, PDA’s and various RF related issues in the stores. Identified technical problems & troubleshooting routers/switches and wireless devices.
• Participate in configuring, walk around testing for PDA’s/RF signaling issue, installing, supporting, and troubleshooting a world-wide network both remotely & on-site Data center utilizing Cisco equipment’s.
• Performing network triage, prioritizing and analyzing the events in the network, managing incident/ problem/change management activity. Communication & follow-up with customers, C&W & O2 ISP’s, E2E/ISG vendor’s in order to resolve faults. Contact to customers for technical problem analysis during live call handling & customer verification call.

May 2012 – Nov 2012 · 6 mos · Bangaon Area, India

• To provide technical support for Cisco’s products and network solutions to customers.
• Working with Dev. & Testing team together to solve problems and enhance future products
• Using debugging/analysis tools (RAT, JIRA) & simulations to analyze problems and identify solutions.
• Planning, Design and Implementation
• Initial contact with a customer service request escalation where replacement parts or on-site service is required, capturing data and providing service request data to the appropriate business unit and communicating updates to the customer to closing the service request.

Jan 2012 – Apr 2012 · 3 mos · Pune

• Enterprise Shell network transformation, planning, designing, implementation & Operations. STD/HA/HA+ SLA for Data Center and Customer Support for wireless Wi-Fi and LAN technology.
• Tier-1, Tier-2 & Tier-3 designing. Configuring VLAN/RSTP/HSRP, port channel as platform dependent. As per ground rules of AT&T select proper hardware’s of Cisco devices.
• Enterprise network designs to meet increasing customer demands. Network Design using Visio 2010.
• Installed and managed multiple platforms of Cisco Routers, switches & Wireless LAN Access Points (AP).
• Troubleshooting LAN/WAN & wireless networks, resolve problems and resolution of Shell Inc. networks.
• Establish and maintain network performance by building network configuration and network connections.
• Handle Customer feedbacks and answered to technical queries on Cisco products & technology

Feb 2011 – Sep 2011 · 7 mos · Kolkata Area, India

• Network implementation and Operation planning of CCTV IP camera systems,Wi-Fi, Data Network.
• Responsible for log monitoring, maintenance, troubleshoot internal office LAN/WAN/Wi-Fi related issue.
• Diagnosing and troubleshooting problems, determining solutions and taking action to resolve the issue
• Administering, supporting, troubleshooting and maintaining of computer hardware and networks.
• Designing Cisco 3 Layer Hierarchical network model, Enterprise Architecture for LAN/WAN/WLAN & Service Oriented Network Architecture (SONA) activities in customer projects according to project plan.

Nov 2008 – Jan 2011 · 2 yrs 2 mos · Kolkata Area, India

• Responsible for continuous log monitoring, maintenance, troubleshoot 400+ CBS network Leased Lines/ISDN/VSAT/RF/CDMA/Wi-Fi connectivity, LAN/WLAN/WAN coustomer support.
• Responsible for implementation of customer’s network infrastructure, LAN, Traffic optimize utilization.
• Configure troubleshoot remote Access Solution: VPN, ISDN (BRI/PRI), Channelized E1, AP Identify, prescribe & resolve common Switch/Router’s network media issues, STM-MUX/ Modem’s failures.
• Maintenance and fault diagnoses of MLLN & Conventional Modems (NTU, ASM31,ASMI 52)
• Monitoring & Maintenance VOIP Telephony via Cisco Unified Communications Manager.
• Customer IT supports (Hardware, Software & Network). To manage customer over telephone, e-mails & remote desktop, Net meeting. System configuration and user helpdesk.
• IOS & configuration backups of all routers on a weekly basis, ISDN testing (PRI and BRI) on a weekly.
• Generating daily reports, cumulative reports (link outages for a month), ISDN report, and Inventory reports, maintaining Network Configuration Tables and Network Topology diagrams.
• UBI Dashboard & Smart Manage Trouble Tickets monitoring for LAN/WLAN/WAN connectivity.
• Supporting different vendors like Cisco, RAD data Comm, Atrie, Tandberg (Video Conferencing).
• Updating Network reports: - ISDN, LL, VSAT links, Routers, Switch, AP and IP phone’s health Reports & pro-actively managing UBI network administration, connectivity with D.C & ISP’s, remote monitoring through NMS for HA+ network performances & availability.

Dec 2007 – Oct 2008 · 10 mos · kolkata

• Installation, Configuration, Service Testing, Commissioning, Acceptance Testing of Nokia SIEMENS Network’s Digital subscriber Line Access Multiplexer (DSLAM), IPTV, and OC-LAN.
• Installation of New Broadband (2/8Mbps) connections & resolving broadband related problems.
• Handling a team of 3 assigned for the project in the entire Kolkata/West Bengal/Sikkim Circle.
• Coordinating with the customer for getting Acceptance test procedure and received system acceptance certificate as per that A.T after completion of assigned work.
• To lead role in Installation/Commissioning of Networking products like ADSL modems, Nokia Siemens DSLAMs, Converters (SFP),Switches,OFC patch cords etc, Equipment racks.
• Optical connectivity between different Network Equepment’s through Fiber Optic Connector.
• E1 testing, TX/RX power testing, and Transmission path loop testing.
• Resolving problems related to DSLAM, maintain the OFC Network Rings Co-ordination with NOC.