Nithin Ayyappan

Senior Integration & Deployment Engineer at GENBAND
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Contact Information
us****@****om
(386) 825-5501
Location
Kerala, India, IN

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Experience

    • United States
    • Telecommunications
    • 300 - 400 Employee
    • Senior Integration & Deployment Engineer
      • Mar 2017 - Present

      Mumbai Area, India  Integration, Commissioning of Genband MGCF/MGW  Teammember of RJIO Genband NFV POC.  Deployed Genband VNFM on Redhat openstack cloud platform  Deployed & Integrated Genband C3,AMS,OneEMS in Redhat Openstack Cloud Platform .  Deployed & Integrated Sonus SBC Swe in VM Ware Platform.  Hands on Experience on deploying Vmware Esxi (Hypervisor) Installation.  VM creation at VMWare ESXI Host Server.  Operating System / Application Insatallation at VMWare  DB… Show more  Integration, Commissioning of Genband MGCF/MGW  Teammember of RJIO Genband NFV POC.  Deployed Genband VNFM on Redhat openstack cloud platform  Deployed & Integrated Genband C3,AMS,OneEMS in Redhat Openstack Cloud Platform .  Deployed & Integrated Sonus SBC Swe in VM Ware Platform.  Hands on Experience on deploying Vmware Esxi (Hypervisor) Installation.  VM creation at VMWare ESXI Host Server.  Operating System / Application Insatallation at VMWare  DB configuration for Sonus SBC Swe  Integration of Genband MGCF with DR MGCF.  Integrated /Commisioned MGW’s in RJIO NLD project.  Rehoming of Genband MGW’s From One MGCF to other MGCF.  Software Upgradation/Binary in Genband MGCF/MGW.  Routing configuration in Genband MGCF  Static route addition in Genband MGCF/MGW  Alarm clearance in newly integrated MGCF/MGW’s.  Configuration of POI’s.Conducting First call for newly integrated Genband G9’s/C3  DB creations for newly integrated MGCF/MGW’s.  VOIP TG configuration in Genband C3/G9.  Prepared acceptance documents such as NETD,LLD,FORM A/B,NIT report Show less

    • Sweden
    • Telecommunications
    • 700 & Above Employee
    • CS Core Engineer
      • Dec 2015 - Mar 2017

      Cochin Area, India • Resolutions of Huawei/ZTE MSC & MGW related faults and issues. • Ensure Network availability of 99% at all times at CNOC by working in shifts. • Do regular System health checks, ensuring proper report generations. • Knowledge in defining New Levels & New BSC’s from both Huawei CDMA & GSM Nodes. • Hands on Experience of working on Huawei System (MSOFTX3000, CSOFTX3000 & UMG8900). • Integration, Commissioning of Rel.4 Core Nodes (MSC & MGW). • Configuring MSC BAM Servers, EWS,… Show more • Resolutions of Huawei/ZTE MSC & MGW related faults and issues. • Ensure Network availability of 99% at all times at CNOC by working in shifts. • Do regular System health checks, ensuring proper report generations. • Knowledge in defining New Levels & New BSC’s from both Huawei CDMA & GSM Nodes. • Hands on Experience of working on Huawei System (MSOFTX3000, CSOFTX3000 & UMG8900). • Integration, Commissioning of Rel.4 Core Nodes (MSC & MGW). • Configuring MSC BAM Servers, EWS, XPTU, Dual IGWB Billing Server and Client Terminals. • Software upgrades and Patch upgrades in MSC and MGW. • Solving call connectivity issues and routing analysis etc. • Integration of Core Nodes with POI, STP, SMSC, IN, IVR and Announcement loading.. • Expertise on Number analysis and Performing Digit Analysis, Routing plans, Configuration, Handling. • Generalize the Database Optimization which includes LAC, Cell-ID, Shifting of E1s and C7 links, M3UA links. Responsible for the Acceptance Test (ATP) of Core Nodes Rehoming of BSC’s in Huawei CDMA & GSM Nodes. • Carrying out Preventive Maintenance of Huawei Nodes, taking regular backup's of MSC's, MGW's & maintaining spares. • Creation of new Trunk Groups, routing the appropriate LRN's/calls to the respective trunks groups. • Co-ordinating with other teams to solve complaints related to KPI's (Low ASR, PSR & SCR) and Voice related complaints. • Troubleshooting and resolving of SS7 and Voice related Complaints within SLA. • Analyzing of complaints related to SMS failing, Location Update problem and solving it by analyzing the traces. • Ensuring CDR backup storage & maintaining Huawei /ZTE Server's free space in Disk drives. • Augmentation of new E1s and creating the trunk groups and signaling links with Inter MSC's & Other operators. • Shifting of Circuits or raising request for E1 augmentation in case of high utilization. • Creation, Execution, Testing & Closure of Configuration Work Orders within SLA Show less

    • Facilities Services
    • 700 & Above Employee
    • CS Core Engineer
      • Jan 2015 - Aug 2015

      UAE • Core Network System configuration, integration and commissioning of Mobile Soft switch (MSC) and Media Gateway (UMG). • SCCP based configuration and routing. • Optimizing the system and reconfiguring software parameters, number analysis data, billing and CDR format in accordance with network requirement. • Perform test activates from stand-along test, integration test to acceptance test of Core Network elements. • Technical presentations and participation in technical discussions… Show more • Core Network System configuration, integration and commissioning of Mobile Soft switch (MSC) and Media Gateway (UMG). • SCCP based configuration and routing. • Optimizing the system and reconfiguring software parameters, number analysis data, billing and CDR format in accordance with network requirement. • Perform test activates from stand-along test, integration test to acceptance test of Core Network elements. • Technical presentations and participation in technical discussions with customers. • Analyze the customer’s existing systems, needs and requirements to provide the necessary solution. • Fault handling and troubleshooting. Show less

    • Finland
    • Telecommunications
    • 700 & Above Employee
    • Core Network Support Engineer
      • Nov 2008 - Nov 2014

      In Operations & Maintenance of telecommunication core networks (Huawei GSM MSOFTX 3000, UMG 8900, M2000 & Alcatel-Lucent CDMA 5ESS, ECP, AP, OMP, IMS)  Managed core network circuit switched elements such as Huawei MSC,MGW,HLR ,STP & packet switched elements such as SGSN,GGSN along with charging gateways  Performed performance management with KPI’s monitoring of CS & PS core network elements and analysis for degradation  Acted as an escalation point to investigate… Show more In Operations & Maintenance of telecommunication core networks (Huawei GSM MSOFTX 3000, UMG 8900, M2000 & Alcatel-Lucent CDMA 5ESS, ECP, AP, OMP, IMS)  Managed core network circuit switched elements such as Huawei MSC,MGW,HLR ,STP & packet switched elements such as SGSN,GGSN along with charging gateways  Performed performance management with KPI’s monitoring of CS & PS core network elements and analysis for degradation  Acted as an escalation point to investigate, expedite, and resolve network issues and business impacting problems  Handled technical cases and keep tracking these problems during the whole resolving process  Ensure Network availability of 99% at all times at CNOC by working in shifts.  Daily Health Check up, TT generation, alarm clearance within SLA & traffic report preparations of core network elements, KPI analysis using MS office.  Installation /commissioning /integration of network systems in coordination with the vendor.  Technical Customer Complaint Resolution within SLA using call traces (ISUP/BICC/SIP/SIGTRAN with HLR & IN tools).  Analyzing RCA for any outages & take corrective actions.  Defining new routes & augmentation of POIs, SS7 signaling link definition, Routing case analysis, IMSI & GT analysis.  Performing Back-ups of CDR’s & Critical Work order Execution and Testing.  Executing PM activities, planned events for Fault-clearance.  Configuration of BSC, Cell sites & SS7 nodes in MSC, performing software upgrades & Patches.  RMA requisition, Faulty card dispatch and TT updating in SAP and NetkT applications as per SLA  Database Creation and AT of POI’s.  Interaction with NNOC/SME's/TAC for resolution of any critical alarms.  Pre & post regression tests for Software/ Hardware upgrades and VAS. Support NOC/Vendor in Switch Upgrade activities Show less

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