Summary
Overview
Work History
Education
Skills
Websites
Accomplishments
Languages
Timeline
Generic
RAJARAJAN AMIRTHALINGAM

RAJARAJAN AMIRTHALINGAM

Thanjavur

Summary

As a Telecom Network Engineer I specialize in delivering comprehensive managed services to enterprise clients, ensuring high availability, performance, and security of their IT infrastructure. My role involves proactively identifying, analyzing, and resolving network incidents and problems, managing end-to-end incident resolution, and maintaining SLA compliance through the ServiceNow ITSM platform.

With 4+ Years of hands-on Experience in network monitoring ,porting and routing.Iam skilled in core routing protocols including BGP,OSPF and EIGRP and having depth knowledge in Network Address Translation(NAT).

Overview

6
6
years of professional experience

Work History

Customer Service Executive

Tata communications transformation services Ltd
Chennai
12.2021 - Current
  • Part of UK Vodafone Three Telecom Services as a Network Support Engineer.
  • Provisioning & Delivery manager (IPVPN) for Vodafone UK
  • Transformation service to migrating customer from Legacy TDM to VOIP Solution
  • Circuit Designer to create Bearers and channels based on Vodafone solution.
  • Expertise in planning, designing, and decommissioning PDH, SDH, DWDM technologies
  • Proficient in configuring, upgrading, managing, and migrating network infrastructure to meet customer requirements and industry standards.
  • Specialized in core network planning and designing circuits to support various bandwidth requirements, ranging from 2 Mbps to 100 Gbps.
  • Orchestrated the IPVPN provisioning and delivery for Vodafone UK. Migrated 300+ customers from legacy TDM systems to advanced VoIP solutions, reducing operational costs by 30%.
  • Coordinated with field engineers for the installation, migration, and decommissioning of Cisco ISR 4321, 4331, and 4451 routers at customer premises. Managed optical distribution frame (ODF) patching at the Vodafone network end.
  • Facilitated end-to-end network decommissioning. Ensured inventory clearance, site closure, and comprehensive documentation for clients.
  • Tools Used: Citrix, Amdocs CRM, BT Openreach, Oneportal, Remote Desktop (RDP), Siterra,sales Force,BMC Remedy, Putty, Ericsson IP Transport-NMS Nortel, and Marconi, OFSC.

NOC Engineer

Voicetec business systems ltd
Chennai
11.2019 - 03.2020
  • Customer complaints escalation handling & Effective Troubleshooting from CDRs.
  • Peak hours traffic monitoring for all customer/suppliers & resolving issues raised by Monitoring & Quality Teams.
  • Handling International carriers networks related issues such as call failure, CLI, ASR, ACD, NER.
  • Handling quality related issues such one way speech, cross talk, FAS & No RBT.
  • Testing the route of different carriers for quality check.
  • Tool used: Jerosoft,ASR,Putty

Education

Master of Technology - Artificial Intelligence

SRM
Chennai
04-2026

Bachelor of Engineering - Electrical, Electronics Engineering Technologies

Mookambigai College of Engineering
Pudukottai
04.2018

Skills

  • Networking devices
  • Routing protocols
  • SIP
  • SS7
  • ISUP
  • VPN
  • DNS
  • HTTP
  • OSI Layer
  • GSM Architecture
  • Genband SBC
  • Amdocs CRM
  • Trace Tools
  • Citrix
  • BT Openreach
  • Oneportal

Accomplishments

Received Appreciation Award from the stakeholders for taking ownership and Accountability during cyclone time.

Languages

Tamil
First Language
English
Advanced (C1)
C1
Hindi
Elementary (A2)
A2

Timeline

Customer Service Executive

Tata communications transformation services Ltd
12.2021 - Current

NOC Engineer

Voicetec business systems ltd
11.2019 - 03.2020

Master of Technology - Artificial Intelligence

SRM

Bachelor of Engineering - Electrical, Electronics Engineering Technologies

Mookambigai College of Engineering

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RAJARAJAN AMIRTHALINGAM