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Krishna Singh

Krishna Singh

Fault Management Engineer

Followers of Krishna Singh1000 followers
location of Krishna SinghNoida, Uttar Pradesh, India

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  • Timeline

  • Skills

    Frame relay
    Switches
    Gsm
    2g
    Ran
    Itil
    Nms
    Ss7
    Core network
    Gprs
    Bss
    3g
    Umts
    Sigtran
    Lte
    Ip
    Telecommunications
    Networking
    Signaling system 7
    Internet protocol
    Troubleshooting
    Radio network controller
    Sgsn
    General packet radio service
    Switching
    Universal mobile telecommunications system
    Wideband code division multiple access
    Team management
    Roaming
    Domain name system
    Ggsn
    Usn
    Ugw
    Epc
    Mme
    Wireless technologies
    Business support system

  • About me

    A competent & dynamic professional with 9+ years of extensive experience in Operations & Maintenance of Telecom Network. Hands on experience on Multivendor PaCo products (Nokia, Huawei, Ericsoon, Cisco) in Telecom equipment SGSN, GGSN, PCRF, S-P- GW, MME, DNS, Router, switches, cloud, open stack.

  • Education

    • Educational Institution

      2009 - 2012
      Bachelors

  • Experience

    • Nokia

      Jan 2009 - Jan 2016
      Fault Management Engineer

      • Worked on Packet Switched Network Elements (SGSN, GGSN, PCRF, CMD, TRAFFICA, DNS-Server).• Performing Operation & Maintenance of Nokia DX-200 & ATCA Platform.• Alarm Analysis, Escalation, Troubleshooting & Preventing Fault.• Analysis and clearance of faults.• Provide end-to-end support, coordination and control of assigned Trouble Tickets.• Emergency Handling for all Packet core nodes.• Subscriber / Interface & protocol Trace analysis • Key Performance Indicators (KPIs) analysis of all Packet Core Network Elements.• Good understanding of 2G,3G & EPC.• Re homing, Configuration and maintenance of BSC with SGSN.• Re homing, Configuration and maintenance of RNC with SGSN.• Responsible for all Configurations changes in SGSN (LAC creation, Diagnosis/Troubleshooting of Units, License management, PLMN Creation, IMSI-GT configuration, etc ).• Responsible for all Configurations changes in DNS.(APN Entries , Lac-Rac Entries , Roaming Entries )• Responsible for all Configurations changes in GGSN.(APN/SADB/Gx/Gy/OSPF )• APN Creation & Modification in GGSN.• Migration/Addition/Modification of IP pools.• Flow Configuration/Modification & Whitelisting of Flows .• Modifications of Charging Gateways at SGSN & GGSN end.• Responsible for Configurations changes in GGSN.• Troubleshooting the issues related to CMD(Ga Interface) Node .• Traffic observation and connectivity of GI interface and ICR links.• Liaises with other service providers regarding network outages. • Every Day analysis of Throughput/Traffic trend & performance report and optimization and resolution of any discrepancy, which affecting KPI.• Daily health check of all Packet Core Nodes. Show less

    • Ericsson

      Jan 2016 - Jan 2016
      Senior Engineer

      Packet Core L2 Support

    • NISCOM Tele Infra

      Jan 2017 - Jan 2018
      Senior Engineer

      EPC, Virtual EPC, VoLTE network support

    • Nokia

      Jan 2018 - Jan 2022
      Technical Support Specialist

      Virtual EPC on Cloud Network support

    • Nokia

      Jun 2022 - now
      Technical Solution Manager

  • Licenses & Certifications