Summary
Overview
Work History
Education
Skills
Timeline
Hobbies and Interests
Personal Information
Declaration
Work Preference
Languages
Hobbies and Interests
Personal Information
Declaration
Generic
M. Nadarajan
Open To Work

M. Nadarajan

Tiruchirapalli

Summary

Professional with over 15 years in the Telecommunication industry, specializing in Bandwidth Planning, Network Operation & Maintenance, and Fault Management. Demonstrated ability in optimizing network performance and implementing cost-saving strategies. Currently serving as Technical Lead at COLT Technology Services, focusing on service planning and routing. Skilled in training new team members and developing comprehensive process documentation to support operational excellence.

Overview

16
16
years of professional experience

Work History

Technical Lead, Operations and Engineering - Service Planning & Routing

COLT Technology Services India Pvt Ltd
Bangalore
05.2022 - Current
  • Executed network planning for metro, national, and international circuits, optimizing bandwidth from 2 Mbps to 100 Gbps.
  • Planned circuits for various products such as Ethernet Line, Ethernet Hub & Spoke, and SDWAN orders.
  • Adjusted circuit designs and coordinated bandwidth upgrades during scheduled customer downtimes to minimize disruption.
  • Configured routing in XNG database according to bandwidth specifications.
  • Delivered circuits across platforms, including NGN and MMSP.
  • Prioritized premium and expedited customer orders, meeting monthly MRR targets without delays.
  • Participated in SDWAN projects for UAT and ORT processes for Asia orders.
  • Identified and escalated process and tool-related issues to enhance operational efficiency.

Senior Engineer-Incident and Problem Management

COLT Technology Services India Pvt Ltd
Bangalore
04.2016 - 04.2022
  • Managed Colt Europe enterprise network, including SDH, DWDM, and Ethernet equipment.
  • Prioritized service-affecting activities from various teams, ensuring timely resolutions.
  • Resolved non-service affecting faults including open ring, hardware, and power-related issues to maintain network reliability.
  • Executed planned work activities per MOP, conducting pre- and post-checks to ensure accurate customer notifications.
  • Delivered remote technical support to field engineers, facilitating prompt fault resolution.
  • Collaborated with TAC and vendors to address complex issues and follow up on action plans.
  • Upgraded Accedian device firmware during scheduled maintenance on weekends.
  • Coordinated spare arrangements, ordering replacements via DHL and Infinera portal.

Engineer-Incident and Problem Management

COLT Technology Services India Pvt Ltd
Bangalore
06.2013 - 03.2016
  • Oversaw Colt Europe enterprise network operations, ensuring reliability of SDH, DWDM, and Ethernet equipment.
  • Coordinated prioritization of service-affecting activities across teams, including first-level and TAC teams, to minimize downtime.
  • Addressed non-service-affecting faults, including open ring, hardware, and power-related issues, to maintain operational stability.

NOC Transmission Engineer

ZTE TELECOM INDIA PVT LTD
Bangalore
04.2012 - 05.2013
  • Managed SDH network alarm management and fault isolation, reducing service disruptions.
  • Troubleshot E1, DS3, STM, and Ethernet networks to resolve daily operational issues.
  • Coordinated with teams and bandwidth providers for prompt outage escalations and resolutions.
  • Upgraded link capacities from STM-1 to STM-4 or STM-16 to enhance network performance.
  • Configured E1 settings for site re-homing to ensure smooth transitions.
  • Updated ZTE mux software versions in accordance with utility licenses for compliance.
  • Supported SDH node implementation in Karnataka, collaborating with regional teams to ensure successful deployment.
  • Tested new software versions and patches for bugs, providing feedback to development teams.

Service Assurance Engineer – ZTE (MTS)

Wipro InfoTech Ltd
Bangalore
10.2011 - 03.2012
  • Managed end-to-end project for new sites, overseeing resources, timeline, finance, and customer acceptance.
  • Maintained and prepared critical database for operation and management, generating daily, weekly, and monthly dashboards to track operational activities.
  • Resolved technical issues with apex and network systems by collaborating with vendor ZTE.
  • Monitored teams in site acquisition, preparation, installation, testing, integration, and commissioning of BSS and BTS using CDMA technology, ensuring successful power supply, site renovation, and media provision.

Operation & Maintenance Engineer - ZTE(MTS)

Gemini Communication Ltd
Bangalore
12.2010 - 09.2011
  • Conducted corrective and preventive maintenance of ZTE (CDMA) and Intracom MW equipment, ensuring operational reliability.
  • Identified network faults and outages, analyzing root causes and implementing fixes.
  • Troubleshot alarms for BTS and MW links, restoring service and minimizing downtime.
  • Executed new site integration, E’1 configuration management, and E’1 mapping.
  • Managed software upgrades and version updates of Intracom equipment.
  • Performed site visits for documentation and cost estimation, facilitating informed decision-making for system operations.
  • Conducted research and development to address emerging problems with Intracom equipment.

BTS Engineer - Huawei (3G-AIRTEL)

TVS Interconnect Systems Ltd
Bangalore
07.2010 - 11.2010
  • Installation, Integration & Commissioning of BTS / Microwave & its associated equipment’s.
  • Coordinated logistics and vendor team for BTS installation for 3G-Airtel project.
  • Handling project activities involving working out various requirements with respect to utilities, machines, manpower & monitoring overall project operations for ensuring timely completion.
  • Conducted on-site surveys, created site from switch, ensured quality maintenance, resolved alarms, and delivered technical support.
  • - Conducted on-site surveys and facilitated site creation from switch.
  • - Ensured timely project completion through effective monitoring of operations.
  • - Maintained quality and resolved technical alarms efficiently.
  • Delivered technical support for E-1 connectivity, ensuring seamless integration.

Education

B.Tech - Electronics & Communications Engineering

Regency Institute of Technology
Puducherry, India
05-2010

HSC - Physics,Chemistry, Mathematics & Computer Science

Jeevanandam, Govt Higher Secondary School
Puducherry, India
05-2006

SSLC - General Studies

Indra Nagar, Govt Higher Secondary School
Puducherry, India
05-2004

Skills

  • Project management
  • Stakeholder engagement
  • Analytical problem solving
  • Time management
  • Adaptability to change
  • Team coordination
  • Interpersonal communication skills

Timeline

Technical Lead, Operations and Engineering - Service Planning & Routing

COLT Technology Services India Pvt Ltd
05.2022 - Current

Senior Engineer-Incident and Problem Management

COLT Technology Services India Pvt Ltd
04.2016 - 04.2022

Engineer-Incident and Problem Management

COLT Technology Services India Pvt Ltd
06.2013 - 03.2016

NOC Transmission Engineer

ZTE TELECOM INDIA PVT LTD
04.2012 - 05.2013

Service Assurance Engineer – ZTE (MTS)

Wipro InfoTech Ltd
10.2011 - 03.2012

Operation & Maintenance Engineer - ZTE(MTS)

Gemini Communication Ltd
12.2010 - 09.2011

BTS Engineer - Huawei (3G-AIRTEL)

TVS Interconnect Systems Ltd
07.2010 - 11.2010

B.Tech - Electronics & Communications Engineering

Regency Institute of Technology

HSC - Physics,Chemistry, Mathematics & Computer Science

Jeevanandam, Govt Higher Secondary School

SSLC - General Studies

Indra Nagar, Govt Higher Secondary School

Hobbies and Interests

  • Listening Music
  • Cooking
  • Travelling
  • Dancing
  • Football

Personal Information

  • Father's Name: N. Moorthy
  • Mother's Name: M. Sivagangai
  • Date of Birth: 09/01/87
  • Gender: Male
  • Nationality: Indian
  • Marital Status: Married

Declaration

I hereby declare that the information and facts furnished above are true and correct to the best of my knowledge and belief.

Work Preference

Job Search Status

Open to work

Salary Range

₹200000/yr - ₹350000/yr

Languages

  • English
  • Tamil
  • Telugu
  • Kannada

Hobbies and Interests

  • Listening Music
  • Cooking
  • Travelling
  • Dancing
  • Football

Personal Information

  • Father's Name: N. Moorthy
  • Mother's Name: M. Sivagangai
  • Date of Birth: 09/01/87
  • Gender: Male
  • Nationality: Indian
  • Marital Status: Married

Declaration

I hereby declare that the information and facts furnished above are true and correct to the best of my knowledge and belief.

M. Nadarajan