Summary
Overview
Work History
Education
Skills
Certification
Disclaimer
Languages
Timeline
Generic

Arun Chingan

Bengaluru

Summary

Experienced and dedicated networking professional with over 18 years of experience working with Tier-1 ISPs. Strong background in network design, implementation, and troubleshooting across SD-WAN, MPLS, Internet, and enterprise-level network infrastructures. Proven ability to manage complex migrations, lead technical teams, and deliver tailored solutions that enhance service delivery and organizational growth.

Overview

15
15
years of professional experience
1
1
Certification

Work History

Consultant – Packet Network Engineering

Colt Technology Services Pvt Ltd
10.2022 - Current
  • Provide SD-WAN solution design, customer testing, and deployment strategies
  • Participate in RFP discussions and develop HLD/LLD as per customer requirements.
  • Manage customer migrations from MPLS/ISP to SD-WAN
  • Interface with vendors to review product features and resolve issues
  • Conduct post-implementation support and client training sessions
  • Lead process improvement initiatives and mentor team members
  • Participate in new product development. Perform UAT/ORT

Consultant – Service Delivery

Colt Technology Services Pvt Ltd
07.2021 - 10.2022
  • Implement SD-WAN, MPLS VPN, and Internet solutions
  • Troubleshoot escalated network and service issues.
  • Guide and mentor team members on Colt product configurations
  • Perform UAT and ORT for new service features.

Senior Team Lead – Service Delivery

Colt Technology Services Pvt Ltd
10.2019 - 07.2021
  • Managed a team of six; resolved conflicts and encouraged collaboration
  • Fostered cross-functional relationships and supported employee development
  • Oversaw project delivery within SLA and quality standards

Technical Lead / Senior Technical Lead

Colt Technology Services Pvt Ltd
07.2015 - 10.2019
  • Coordinated network upgrades and infrastructure improvements
  • Supported platform transitions and large-scale customer migrations
  • Delivered custom network solutions in collaboration with engineering teams
  • Configured/troubleshot SD-WAN solutions (Versa)
  • Conducted training sessions for internal teams

DNG Engineer

Nokia Networks
10.2013 - 07.2015
  • Company Overview: Supporting Vodafone Australia
  • Fault resolution of network and customer faults in a timely and efficient manner.
  • Manage Critical Faults and Outages in the network.
  • Assess and mitigate risk of any network changes.
  • Identification of any issues affecting performance or KPI's.
  • Create and update support documentation.
  • Monitoring of Projects and Change Requests with respect to network integrity.
  • Impact assessment of network configuration changes.
  • Verification of implementation of network configuration changes in accordance with detailed designs.
  • Develop and support various O&M and routine procedures.
  • Ensure any new network elements that are to be commissioned into the network are operationally accepted to avoid performance issues.
  • Provide technical support to Operations in performance, capacity and configuration to maintain and optimize Network performance.
  • Direct Field and Exchange staff when required.
  • Perform configuration changes, system installations, and relevant test cases.
  • Perform and manage network investigations and resolutions.
  • Participate in an on-call roster and maintain flexible hours when required.
  • Coordinating with Vendor on RMA process and issue escalations.
  • Assist the team in process improvement.
  • Provide emergency support.
  • Other activities as directed by management.
  • Supporting Vodafone Australia

Customer Engineer

HCL Infosystems Ltd
01.2010 - 07.2015
  • Company Overview: Supporting BSNL
  • Provide L2 level support for MPLS VPN customers.
  • Configuration of MPLS VPN customers using tools(HP OVSA).
  • IP planning for MPLS VPN and Internet customers.
  • Monitor network using different tools(HP NNM, HP OVPI, WhatsUp Gold).
  • Execute changes in network as per the planning documents.
  • Upgrade IOS on Cisco routers.
  • Testing IOS on LAB for current working scenarios.
  • Remote support for installing modules in Cisco routers.
  • Raise tickets with ISP for point to point link outages.
  • Supporting BSNL

Assistant Manager

Dishnet Wireless Limited
01.2010 - 10.2013
  • Company Overview: Supporting Aircel
  • Installation, Configuration and Maintenance of Cisco 12416, 12410, 7613, 7606, 7206, Juniper J2350, Huawei NE40, NE20 Routers and Cisco 4948, 3550, 2960, 2950 switches.
  • Planning of MPLS VPN and internet connectivity for the customers.
  • Fault resolution of network and customer faults in a timely and efficient manner.
  • Manage Critical Faults and Outages in the network.
  • Planning and executing network changes with minimal network outages.
  • Traffic management on ISP links.
  • Coordinating with Vendors for RMA and escalated cases.
  • Provide Emergency support for call center customers.
  • Supporting Aircel

Education

3 years Diploma - Instrumentation and control engineering

Indira Gandhi Polytechnic College
Mahe, Pondicherry

Skills

  • Versa SD-WAN
  • MPLS
  • Internet solutions
  • Cisco network devices
  • Juniper network devices
  • BGP
  • OSPF
  • Static routing protocols
  • QoS
  • Inter-AS MPLS VPNs
  • NAT
  • VLAN
  • VTP
  • STP
  • EtherChannel
  • HSRP
  • VRRP
  • GLBP
  • Port Security
  • Cisco SDWAN

Certification

  • Versa Certified SD-WAN Associate
  • Cisco certified Internet Expert (CCIE NO:-61646)
  • Silver Peak SDWAN Professional (SPSP)
  • Cisco Certified Network Professional
  • Cisco Certified Internet Professional (BGP + MPLS)
  • Juniper Network Certified Internet Associate

Disclaimer

I hereby declare that the above-furnished details are true to the best of my knowledge and belief.

Languages

  • English
  • Malayalam
  • Hindi
  • Tamil

Timeline

Consultant – Packet Network Engineering

Colt Technology Services Pvt Ltd
10.2022 - Current

Consultant – Service Delivery

Colt Technology Services Pvt Ltd
07.2021 - 10.2022

Senior Team Lead – Service Delivery

Colt Technology Services Pvt Ltd
10.2019 - 07.2021

Technical Lead / Senior Technical Lead

Colt Technology Services Pvt Ltd
07.2015 - 10.2019

DNG Engineer

Nokia Networks
10.2013 - 07.2015

Customer Engineer

HCL Infosystems Ltd
01.2010 - 07.2015

Assistant Manager

Dishnet Wireless Limited
01.2010 - 10.2013

3 years Diploma - Instrumentation and control engineering

Indira Gandhi Polytechnic College

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