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Arnab Chakraborty

Arnab Chakraborty

Engineering Apprentice

Followers of Arnab Chakraborty2000 followers
location of Arnab ChakrabortyKolkata, West Bengal, India

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  • Timeline

  • About me

    Customer Technical Expert - Cloud and IMS | Globally Certified Senior Solution Architect | Troubleshooter| VoLTE, VoWIFI , IMS and CS | 2x AWS | VMware | Kubernetes | CNIS | NFVI | SDN | SDI | SDS

  • Education

    • Benachity High School

      -
      10th

    • Dr. B.C.Roy Engineering College

      2003 - 2006
      Bachelor of Technology (B.Tech.) Electronics and Communications Engineering

    • Acharya Institute Of Technology

      2000 - 2003
      Diploma in Electronics & Communication Electronics & Communication Engineering

  • Experience

    • HCL Infosystems Ltd.

      Nov 2006 - Apr 2007
      Engineering Apprentice

      System repair and maintenance for department of Indian post , state bank of India and other clients

    • ZTE

      May 2007 - Dec 2007
      Engineer

      Local O&M support to BSNL, and fault management of ZTE products.

    • Ericsson

      Jan 2008 - Mar 2014
      Senior Engineer Software Delivery

      Trouble Shooting and delivering projects based on Ericsson Products as such MSS,Blade Cluster ,MGW, HLR, HSS, SBGExpert in HLR Data Migration projects.Done more than 20 HLR migrations for different operator in India.Done more than 100 core node swaps for operator around the globe.Handled Core Emergencies for operators around the globe.Leading a team with more than 8 members for Core-Network for entire Region Mediterranean RMED from Remote as well as On-site.Travelled many places for customer projects which required faster delivery.Started Pilot projects in Ericsson Global Services like SWDP, Blade cluster upgrades. Show less

    • Vodafone

      Apr 2014 - May 2015
      Deputy Manager-SNOC Ops-PAN India

      Responsible for Entire Vodafone India Operations for Core-Network with zero downtime and maintaining all the core network KPI in order to Run error Free telecom services .Handling a team of 10 engineers and training them to handle complex Telecom products and also handling critical cases in case of Emergency and Escalation. Exposure and handling Nokia NT-HLR ( ATCA based ) and Wi-Fi Services.

    • Mavenir

      Jun 2015 - Dec 2015
      Technical Specialist - IMS

      Here at Mavenir my main role is to provide support for IMS Core products such as P/I/S-CSCF , IP-SM-GW,TAS. As a Technical Specialist not only work on node related issue but also troubleshoot problems on Network Level. Currently working on IMS core issues and fixing faults related to call cases.

    • Ericsson

      Jan 2016 - Jul 2017
      Solution Architect - Cloud and IMS

      Current role as a Solution Architect in designing solution for both Cloud Infra & IMS core (both Native and VNF based). Providing technicalconsultancy, System Integration, Acceptance Test execution and E2E solutiondelivery for Ericsson’s global customers on Cloud Infra & IMS. Products involving Ericsson CEE on BSP and COTS along with working native and VNF products such as CSCF,MTAS ,SBG , AFG, IP-WORKS, MSS, MGCF, HLR/HSS .Has handled many multivendor solution requirements.

    • PT Smartfren Telecom Tbk

      Aug 2017 - May 2021
      Technical Head- TAC IMS & CS

      - Heading up L2 Technical team for VoLTE, VoWiFi and CS Core.- Virtualization Issues and dimension verification - Leading a team of Support engineers for E2E troubleshooting.- Trobleshooting VoLTE Roaming- Support & Troubleshoot ICS,CS-Retry,BreakOut & Breakin TADS for VoLTE. - Integration and Troubleshooting VoLTE with existing legacy network and new Services- Troubleshooting Billing and Service Related Issues from network end- Troubleshooting Interworking Issues in multivendor scenario- Troubleshooting on Performance related issues raised- Emergency Handling - Handling Nodes : P/I/S- CSCF, TAS, E-PDG, HSS, HLR, CRBT, IWF MSC, MGCF, MSC, ILD VOIP Carriers - Coordination with Vendor for getting resolution of faults within committed SLA Show less

    • Ericsson

      Jun 2021 - now

      - Lead Team of troubleshooters to overcome emergencies and fix network level issues- Contribute & Responsible for team deliverables, knowledge transfer and competence build up. - Solution Validation, Dimensioning, identifying improvement areas to ensure network stability - Deliver RCA, and Participate in Customer Reviews- Thrive to Ensure First time right approach and maintain Fix success ratio

      • Customer Technical Expert - Cloud and IMS

        Aug 2023 - now

      • Senior Solutions Architect - Certified

        Jun 2021 - Aug 2023

  • Licenses & Certifications

  • Honors & Awards

    • Awarded to Arnab Chakraborty
      Impact Award 2021 Ericsson Feb 2022 Imagine possible to drive customer satisfaction
    • Awarded to Arnab Chakraborty
      SNOC Champion Q4 - 2014 Vodafone India Pvt Ltd Dec 2014 For implementation of SRAS services with user management across core nodes and for reduction Service affecting & emergencies in the network with proactive measures and building capable team with proper training with new & speedy ways of troubleshooting & recovery.
    • Awarded to Arnab Chakraborty
      Annual CS Award 2013 Ericsson Global Services Pvt Ltd. Dec 2013 For Timely Delivery & Execution of RMED project comprising of 22 countries across the Mediterranean region as per the SLA for handling faults and making the team competent to handle complex network problems.
    • Awarded to Arnab Chakraborty
      Ace Award 2012 Ericsson Global Services Pvt Ltd. Oct 2012 Timely delivery & Execution of R14.1 Pilot project for Idea Cellular ,along with the first time SWDP project for GSC India with 100% success rate and no error.
    • Awarded to Arnab Chakraborty
      Best Engineer 2009 Ericsson India Pvt Ltd. Feb 2009 For handling 5 consecutive emergencies in one night and making the entire network up within 3 hours for BSNL.Awarded with cash award & Ericsson Shares.
    • Awarded to Arnab Chakraborty
      Impact Award 2021 Ericsson Impact award for “make imaginable possible”