Rajat Das

Experience

• 

  Roots Communication Ltd

  Jan 2013 - Mar 2020

  Transmission responsibilities:#IPLC link established by SDH mux via i2i and submarine fiber with Singapore & UK data centre#Make traffic plan(IP and TDM traffic) of Transmission part#Configure TDM and IP traffic in mux end as load sharing basis of ZTE vendor mux#Configure SDH and ETH service with different types protection #Configure client(ICX) connectivity scenario through our network accordingly traffic format plan#Co-ordinate with vendor and subcon and also checking installation quality.#Take over mux (PAT) from vendorISP Responsibilities :# Operation, maintenance and integration of Transmission network of ISP.# planning and implement technical solution for backbone and access layer connectivity# Control and carrying out of traffic measurements for all transmission networks# prepare documentation and high/ low-level design of the network# Liaising with fiber links/BW service providers for new connectivity and fault resolution# Coordinate with network operation team to ensure rollout plan and TT wise service delivery# Manage filed operation team and report to line Manager# Configuration of OLT & ONUDatacom Responsibilities:#Configuration and Maintenance of CISCO & ZTE equipment (Router, Switch) #Configuration BGP & OSPF routing protocol and also maintenance & configuration C4500 Layer3 Core Switch using VLAN, VRRP, OSPF and Static Routes.#Layer2, Layer3 Switch, Router Commissioning/Deployment/Troubleshooting of ZXR10 product series (8902) .#Operations, Maintenance & Troubleshooting of IP-NMS server to ensure optimal performance. Show less #Monitoring all the minor, major, critical alarms; generated from SBC, SS, MUX, MGW, Router, Switch from ZTE NetNumen Unified Management System.# Supporting the carriers updating network status time-to-time basis.# Monitoring the CDR in uniVerge Billing System of SPECTRUM Consortium.# Monitoring as well as notifying the carriers about their billing status.# Blocking and unblocking carrier.#Adding a new carrier in SBC, SS.#Preparation of Daily report by getting statistics from SS, Bandwidth Utilization. Show less

  • Senior Engineer, Ip Core & Transmission

    Apr 2014 - Mar 2020

  • Assistant Engineer,Transmission & Datacom

    Mar 2014 - Mar 2020

  • Junior Engineer, Network operation Center(NOC)

    Jan 2013 - Mar 2014
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  Royal Green Ltd.

  Mar 2020 - Feb 2021

  Engineer, IP Core Planning & Design

  Collaboration with team to plan and design IP network.Configuration and Maintenance of ZTE (Router, Switch, Firewall, OLT). ZTE (ZXR10M6000-S, 5952-E, ZXSEC6820B, ZTE OLT 300) etc.Configuration of protocol like static and OSPF, BGP.Configuration of BGP ,OSPF & Static routing protocols and also maintenance & configuration ofLayer3 Core Switch using VLAN, VRRP, HSRP,LACP or Smart Group Port forwarding, OSPF and Static Routes.Configuration of BGP PATH Attributes & Route Selection (AS-PATH, LOCAL PREFERENCE), BGP Routereflector, BGP Confederation in ZTE Routers.Configuration of MPLS, VRF etc.Client configuration on OLT/ONT and provide remote support if needed. Show less

• 

  Flora Limited

  Mar 2021 - Jul 2021

  Assistant Manager, Technical Support (CISCO Team)
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  Huawei

  Aug 2021 - now

  DataCom Engineer II