Manoj KUMAR

Experience

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  ZTE Telecom India PVT LTD

  Jun 2009 - Jul 2014

  MSS engineer

   Installation, Configuration and Commissioning Of MSC, MGW for GSM (ZXWN) Technology. Installation and configuration of Bill Server, LIM Server. Testing, Operation & Maintenance, Troubleshooting and acceptance of MSC AT. Resolve the Call Flow related and billing related Problems. Backup Of MSC,MGW and CDR on weekly Basis Analyses of KPI of MSC, B table Audit on monthly Basis. Successfully implemented ICR (Intra Circle Roaming) N/W in Jharkhand. Implementation of Multihoming for STP Links successfully done. Successfully Done ICR implementation for in roamer and out roamer. Providing level 2 support to our engineers to troubleshoot various problems. Expansion, version up gradation of MSC, MGW. Expansion of Database of MSC Server doing timely. Expansion of memory of Cards done successfully for VLR expansion. Mobile Number Portability(MNP) related Configuration for NLD and local codes with Testing Interacting with customer Planning Team and RA Team for there query. Codes Routing of NLD, ILD and National as per the routing Guidelines. Troubleshooting CDR Storage related problems. Troubleshooting problems related to LI server during interception problem. Interacting with customer Planning Team and RA Team for there query. Show less

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  Tata Teleservices Ltd

  Aug 2014 - Oct 2015

  Deputy Manager

   O&M of Ericsson (AXE810/APG-40) MSC CDMA2000, ZTE UGMSC/UMGW and ZTE MSC/MGW(CDMA/GSM) switches. Resolving Call Flow related and billing related Problems. Analyses of KPI of MSC, B table Audit on monthly Basis. MPLS Links Redundancy Testing and MSS Card level redundancy testing as per O&M health check-up schedule. Successfully implemented ICR (Intra Circle Roaming) N/W in Jharkhand. Attending various hardware and software alarms in server and resolve the same. Generation and Maintain all MSS KPI and provide plans for network KPI improvement. Troubleshooting CDR Storage related problems and resolve. IMSI analysis, GT routing Configuration. Successfully done Configuration related to National Mobile Number Portability (NMNP). Expansion of Database of MSC Server doing timely. Expansion of memory of Cards done successfully for VLR expansion. Mobile Number Portability and NMNP related Configuration for NLD and local codes with Testing. Interacting with customer Planning Team and RA Team for their query. Codes Routing of Local, NLD, ILD and Special Codes as per the routing Guidelines. Troubleshooting problems related to LI server during interception problem. Creation BICC, SIGTRAN link, B number analysis, definition and connectivity of new BSC in MSC server. Show less

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  Bharti Airtel

  Nov 2015 - Oct 2020

  Integrated Voice Core Lead (Manager)

   Handling operations for CS Core/LTE/IMS Nodes like TAS, CFX, QNPDB, EIR, MGCF and MRF. Providing end to end support to resolve TT with the help of traces in TAS and CFX. Troubleshooting Interception Problem related with LI server. Upgrading of existing Core Nodes to newer software versions. Performed CMM Patching, Announcement routing, short code and LRN routing in TAS. Addition of UE IP pool and short code definition SDCA wise in p-cscf. Involved in Network Planning and Optimization of network by using KPI’s and Traces. Performed Level Opening in QNPDB, IMEI TAC Code Whitelisting in EIR. Diameter Connectivity between MME and HSS. SGSAP association creation between MME and VLR. Activation of 4G services in subscriber profile in NT HLR Provided technical assistance for CDR related issues. Cross verification of pre and post check of Critical activities with MS partners. Maintaining Network Up time to 100% with redundancy checking of Critical Links. Providing support to deployment team to make Node(MSS,SPS/NTHLR,PCRF,SBC,MME)Live within given time frame Coordinated with software design and development teams in integration, testing and commercialization of products. CCN Traffic Migration & SDP Load Balancing of Prepaid subscribers in VLR/HLR whenever required. Performed Announcement loading and IP Whitelisting in MRF. Manage load balancing by traffic migration in TAS and E1’s shifting in MGCF. Providing support to Circle team for POI ATP and E1’s Migration with Other Operators & making related configuration at TAS and MGCF. Show less

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  LTIMindtree

  Nov 2020 - Apr 2024

  Technical Lead

   Familiar with 5G call flows.  Deploying 5G SCP/CSD(Nokia) Application on Open stack CBIS platform.  Hands on with Kubernetes commands line tool Kubectl.  Hands on with Linux commands.  Extracting Logs from Pods and Containers for troubleshooting of errors.  Taking Debug logs from pods and container for deep analysis of 5G call flows issues.  Successfully done Integration of SCP from NRF.  Successfully done Integration of SCP with log server.  Successfully done Integration of SCP with Mirroring Server.  Successfully Done integration of SCP with NetAct.  Responsible for AT Completion of SCP Nodes.  Successfully implemented mTLS with consumer and producer NFs.  MOP preparation and execution on SCP Nodes.  Successfully Deployed CSD/DEA nodes in korek Telecom Iraq.  Doing troubleshooting of the issues faced during CSD/SCP deployment.  Doing Troubleshooting while facing issue during 5g Call flows from by analyzing pcap.  Implementing RSV as per customer requirement.  Hands on with Jira tool for Opening trouble Ticket.  Hands on CBIS and CBAM and Harbour platform for deployment of CSD.  Actively tracking the open issues faced during deployment and testing with RnD for closer.  Providing Solution for Migration of traffic from Live CSD to non-Live CSD.  Doing Troubleshooting of Alarms of CSD. Show less

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  Infinite Computer Solutions

  Apr 2024 - now

  Senior Technical Lead

   Deploying 5G SCP/CSD(Nokia) Application on Open stack CBIS platform. Hands on with Kubernetes commands line tool Kubectl. Hands on with Linux commands. Extracting Logs from Pods and Containers for troubleshooting of errors. Taking Debug logs from pods and container for deep analysis of 5G call flows issues. Successfully done Integration of SCP from NRF. Successfully done Integration of SCP with log server. Successfully done Integration of SCP with Mirroring Server. Successfully Done integration of SCP with NetAct. Responsible for AT Completion of SCP Nodes. Familiar with 5G call flows. HLD and LLD preparation. Successfully implemented mTLS with consumer and producer NFs. MOP preparation and execution on SCP Nodes. Successfully Deployed CSD/DEA nodes and done traffic migration in korek Telecom Iraq. Successfully Deployed SCP and DRA in 5G and 4G network along with Sucessfull completeion of UAT in Starhub operator of Singapore. Doing troubleshooting of the issues faced during CSD/SCP deployment. Doing Troubleshooting while facing issue during 5g Call flows from by analyzing pcap. Implementing RSV as per customer requirement. Hands on with Jira tool for Opening trouble Ticket. Hands on CBIS and CBAM and Harbour platform for deployment of CSD. Actively tracking the open issues faced during deployment and testing with RnD for closer. Providing Solution for Migration of traffic from Live CSD to non-Live CSD. Doing Troubleshooting of Alarms of CSD. Show less