Jayasundar Sundaresan

Angestellt, Network Security Consultant, Infosys Limited
Södertälje, Sweden

Skills

Network Management / Administration
Firewall administration
Routing & Switching Protocols
Network Security
Technical Support
SD-WAN
Network Monitoring
QoS
Network Architecture / Design
Network Analysis
Firmwareupdate
Cisco Networking
Wireless technology
Wireless security
AAA
ACL
VPN
Network Address Translation
Radius
HSRP
SSH
VTP
VLAN
STP
RIP
Open Shortest Path First (OSPF)
EIGRP
IS-IS
BGP
RSTP
Fortinet
Palo Alto Firewall

Timeline

Professional experience for Jayasundar Sundaresan

  • Current 1 year and 4 months, since Apr 2024

    Network Security Consultant

    Infosys Limited
  • Current 1 year and 9 months, since Nov 2023

    Senior Consultant

    Eminence Techno System

  • 2 years and 8 months, Apr 2021 - Nov 2023

    Senior Engineer - Network & Security

    Movate

    • Planning, Installing, Configuring, and Troubleshooting of complex and large-scale network infrastructure across different countries and data centers. • Responsible for network availability, OS/patches upgrades, and maintenance procedures on edge and core network infrastructure. • Responsible for the day-to-day operations and security of all network infrastructure connecting more than 16+ data centers and numerous physical locations.

  • 10 months, Jul 2020 - Apr 2021

    Senior Network Engineer

    AntWorks Solution Private Limited

    • Responsible for designing and maintenance of network availability and uptime, integrity through preventive maintenance and upgrades in network infrastructure. • Played the main role in Network segregation from plain network to enterprise standard and configuring and troubleshooting of core network infrastructure from on-prem to third-party datacenter migration. • Played the main role in designing and implementation remote (SSL) VPN for all the employees across the globe on the COVID-19 pandemic.

  • 1 year and 5 months, Feb 2019 - Jun 2020

    Senior Systems Administrator

    AntWorks Solutions Private Ltd

  • 7 months, Jul 2018 - Jan 2019

    Client Support Manager

    Balbhas Business Sysnomics Pvt Ltd

    • Implementing, Monitoring, and Troubleshooting of Routers, Firewalls, and Switches. • Established network connectivity between the branch and corporate offices with RF, and S2S VPN. • Implementation, Configuration, and Troubleshooting of FortiGate Firewall, Cisco Switches, and Wireless. • Desktop/Laptop readiness as per the company policies and security protocols. • Supported L1/L2/L3 issues for (Network/Server/Desktop) internal and external users.

  • 1 year and 1 month, Jul 2017 - Jul 2018

    IT-Systemadministrator

    India Property Online Pvt Ltd

    • Implementing, Monitoring, and Troubleshooting of Network/Servers/Desktops and Laptops. • Monitoring and Troubleshooting the enterprise LAN/WLAN, WAN, PRI networks, and escalating faults to the TAC support team to restore the faults. • Implementation, troubleshooting of Operating Systems Windows 7/8/10, Linux, and business required applications. • Worked on BPO applications of Convox, EPABX, and SIP tools like Twinkle & X-Lite. • Co-ordinated, Supported & Worked on Admin, HR-related works.

  • 1 year and 10 months, Oct 2015 - Jul 2017

    Network Engineer

    Dimension Data India Ltd(Sequel One Solutions Pvt Ltd)

    • Deputed to Dimension Data India Limited, worked for the client State Bank of India and Associated Banks all over Bangalore and Karnataka located Branches’ complex LAN and WAN infrastructure. • Implementation, Monitoring, and Troubleshooting of network devices as Routers, Switches, and IOS up-gradations in branch offices. • Implementing, Configuring, Monitoring, and Troubleshooting WAN/LAN issues resolving and escalating the fault tickets to the concern/field team to restoring the networks.

  • 1 year and 1 month, Jun 2010 - Jun 2011

    Company Apprenticeship Trainee

    Dynamatic Technologies Ltd

    • Worked under the Production Department. • Worked on Various CNC Machines in the Fanuc series with basic maintenance. • Achieved the production targets on a daily/monthly basis with required Quality and Dimensions. • Achieved Zero defects and Scrap production environment.

Educational background for Jayasundar Sundaresan

  • 2 years and 10 months, Aug 2011 - May 2014

    Electronics and Communication Engineering

    Anna University, Chennai

    Electronics, Communication and Computer networks, also telecommunication engineering.

  • 2 years and 10 months, Jul 2007 - Apr 2010

    Mechatronics Engineering(Electronics-Robotics Engineering)

    Directorate of Technical Education & Training

    Mechanical, Electronics and Communication also Electrical and Telecommunication.

Languages

  • English

    Fluent

  • Tamil

    First language

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