VIMAL KUMAR B

Experience

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  Wipro Infotech Ltd

  Jul 2009 - Dec 2009

  NGN engineer

  • Operation and Maintenance of Soft Switch and MGW.• Alarm monitoring, Escalation and Rectification.• POI integration and Augmentation.• To maintain the database regarding POI connectivity, E1 details, etc.• Taking CDR backup, dumps etc.• Health checkup of softswitch & MGW.• Documentation of daily switch activities.• Monitoring of Signaling and Processor load of Softswitch and MGW & controlling the same with proactive measures.• ASR improvement.• Configuration of database for new POI.• Implementation of new/available features in Softswitch and MGW.• Reconciliation of TG database.• Customer Complaint Resolution.• To configure routing database for new network elements.• To make Changes in routing database.• Configuration of Short Code, new services.• Reconciliation of switch routing database. • To arrange for POI AT and augmentation in coordination with POI officials.• AT report preparation & submission.• Escalation and timely resolution of all technical issues related to inter-operator.• Coordination with different operators for E1 augmentation/Configuration of new POI. Show less

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  ZTE India Private LTD

  Apr 2011 - Feb 2021

  Senior Engineer

  • Total 10+ years of Experience in Telecom Core Network Domain.• 4+ Years of Experience in Packet Core/Evolved Packet Core Network field with strengths in Configuration Management, Operations and Maintenance of most advanced mobile networks.• Analyzing requirements, preparation of MOPs and create test case scenarios accordingly.• Active participation during integration and deployment of Packet Core components and performing audits before Go-Live of new nodes for smooth handover.• Operations and Network maintenance of Packet Core nodes like SGSN/MME, GGSN, DNS, S-GW, PGW.• Troubleshooting of faults on Gb, Gn, Gx, Gy, Gi, S6a, S5/S8 interfaces along with performance monitoring of the interfaces of Packet Core Architecture.• End to end co-ordination with field testing engineers for validating performance over live network environment.• To perform the Functional UAT and Hardware UAT test cases• Interfacing with customer for all new requirements for planning, establishing as per requirements Show less

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  Ericsson

  Feb 2021 - now

  Senior Solutions Engineer