Summary
Overview
Work History
Education
Skills
Personal Information
Disclaimer
Languages
Timeline
Generic
Tojan V TOM

Tojan V TOM

Ponkunnam

Summary

Overall 8 years of experience in Telecom domain in which 5 years as a Core engineer and 4 years as a RAN engineer.

Overview

9
9
years of professional experience

Work History

Consultant/Enginner

Capgemini Engineering
02.2019 - Current
  • Working on Surepay OCS(Nokia), ericsson HLR ,HSS, INM Nodes, PG Nodes,5G nodes
  • Sound Knowledge of Sure Pay Nodes and all IN nodes OCS, HLR/HSS etc
  • Perfoming day to day activities in nodes using linux commands
  • Working on OCS/IN/HLR/HSS nodes
  • Working ofn 2g,3g,5G core nodes
  • Knowledge in 5G call flows and message flow
  • Well experienced in maintaining the Telecom core nodes and performing activities in the nodes
  • Experience in changing all the subscriber related parameters in various core nodes according to the requests by the testers
  • Responsible for configuring the SIMS and msisdns as per the rest requirement
  • Provide environment support for the test defects raised and rectify the issue
  • Doing Change activities related to subscribers OCS nodes, , Legacy nodes, ESM, HSS, RTE nodes, INM Nodes, PG
  • Doing User Profile Creation in OCS /ESM/RTE/HLR/HSS/
  • Performing Repointing activities of CORE nodes
  • Performing activities like node restart, application restart,isolation of ore node for various activities
  • HLR Support like Add Bar, Remove Bar, OCSI change, GT change etc
  • Configuration changes via SOAPUI and different changes relates to subscribers in MTAS,HSS
  • Restart diameter links on EIR towards a specific DRA and restart of OCS diameter links
  • Loading of tariff in OCS
  • Subscriber provisioning via ISAAC and error log check for troubleshooting
  • Maintaining backups of all the CORE nodes
  • First level Trace analysis in wireshark tool for E2E trace
  • Knowledge in different call flows like Voice call, SMS call, Data call and MMS call
  • Responsible to send the offshore status report to client
  • Knowledge of all different network layer like Physical, MAC, RLC, PDCP, RRC and NAS
  • Knowledge on SIP/Diameter Protocol, Knowledge on end to end call flow
  • Knowledge with LTE core network Interfaces like X2, S1-U, S1-MME, S5-S8, S11, S13, S6a, S3, S4, Gx, Gy, Gz, Sp
  • Knowledge in 2G,3G,4G,5G technologies and call flows
  • Aware of CSFB, SRVCC
  • Preparing the sites 2g,4g,5g as per the testing requiememts
  • Cordination and follow ups with multiple teams to resolve the issues
  • Parameter changes as per test reqiuremnt in Nokia BSC
  • Examining logs for failure cases such as HO failure, SRVCC, and CSFB call failures.

RAN engineer

Capgemini Engineering
12.2017 - 01.2019
  • Data configuration and production of transmission circuits for BTS, NODE-B and E Node B
  • Implementing the latest network plan prepared by the Vodafone clients
  • Creating the Transmission link between the Node and Tellabs including the IDUs and then linking with the controller, modifying the Sync status
  • Creating link between Tellabs and IDU
  • Creating link between the Node B and the first IDU for 3G
  • Working on Vodafone tools like tooltx, NCM, ATONCE, CMS
  • Rehabilitation of transmission network and radio access
  • Analysis and troubleshooting actions aimed at the identification and resolution of possible problems
  • Transmission, Configuration & Radio data for Network Element (BTS, Node B, 4G nodes) integration and expansion
  • Transmission, Configuration & Radio data for rehoming and swap Network Element (BTS, Node B, 4G nodes).

BSS ENGINEER

Huawei technologies india pvt limited
03.2016 - 07.2017
  • Responsible for execution and maintenance of Huawei network equipment's
  • Configuration & Integration of HUAWEI BTS
  • Responsible for coordinating activities during outages
  • Involvement in Project Roll out activities, beginning from installation to Integrationand troubleshooting, fault management for Node B& E Node B transmission equipment
  • Experienced in Hardware and software upgradation
  • Check Quality issue at HUAWEI Sites
  • Responsible for spare management tracking
  • Experienced in vendor management.

Trainee engineer

Telecomone teleservice india limited
10.2015 - 02.2016
  • Responsible for conducting AT and 11B on newly integrated jio sites

Education

Bachelor of Degree (Electrical and Electronic Engineering) -

AMS College, Anna University
01.2015

+2 -

01.2011

10th -

01.2009

Skills

  • Core engineer
  • RAN engineer
  • Sure Pay Nodes
  • Nokia OCS
  • Ericsson HLR/HSS
  • Subscriber related parameters
  • User Profile Creation
  • Repointing activities
  • Node restart
  • Application restart
  • HLR Support
  • Configuration changes
  • SOAPUI
  • Diameter links
  • Tariff in OCS
  • Subscriber provisioning
  • Maintaining backups
  • Trace analysis
  • Wireshark tool
  • 4g arcitecture and call flow
  • SIP/Diameter Protocol
  • End to end call flow
  • LTE core network Interfaces
  • Nokia NCC
  • CSFB
  • SRVCC
  • Nokia BSC
  • Data configuration
  • BTS
  • NODE-B

Personal Information

  • Date of Birth: 04/18/1993
  • Gender: Male
  • Nationality: Indian
  • Marital Status: Single
  • Religion: Christian

Disclaimer

I hereby declare that the information provided is true to the best of my knowledge.

Languages

  • English
  • Hindi
  • Tamil
  • Malayalam

Timeline

Consultant/Enginner

Capgemini Engineering
02.2019 - Current

RAN engineer

Capgemini Engineering
12.2017 - 01.2019

BSS ENGINEER

Huawei technologies india pvt limited
03.2016 - 07.2017

Trainee engineer

Telecomone teleservice india limited
10.2015 - 02.2016

Bachelor of Degree (Electrical and Electronic Engineering) -

AMS College, Anna University

+2 -

10th -

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