Harikrishnan Sundaresan Email & Phone Number

London, England, Gb

London, England, United Kingdom

Perform troubleshooting and support for Bestway’s systems and devices. This will include but is not limited to the following:* Desktops* Laptops* Printers* Active Directory* Meraki MX, MS & MR* Scanner & HHT* Administer Active Directory including the creation, deletion and resetting of users, distribution lists, email accounts and group memberships, setting up new folder shares and applying security permissions.* Incident Management – responding to end-user queries (calls, emails, tickets, and alerts), investigating these using troubleshooting skills to identify the root cause of issues, and identifying and implementing fixes. Communicating and escalating to L3 team members when required.* Perform hardware maintenance(builds, upgrades, and repairs), software installations and updates on-site, at remote offices and at retail stores. Either in person, remotely, or utilising a 3rd party.* Utilising and updating the Knowledge Base when necessaryTools Used* Jira (ITSM)* PRTG (Network Monitoring) * UniFi* Meraki Dashboard* Ab-initio (Retail Management System)

Riyadh, Saudi Arabia

Project: Princess Nora bint Abdul Rahman University (www.pnu.edu.sa/en/)Responsible for handling and managing the Data Center Operation of the largest women's university. Project has 4000 devices of Cisco 2960 ,3750, 6509,Nexus 7k,5k,2k,10,000 Access Points and IP Phones of Cisco. ● Configured Layer 2 Cisco switches for University network, hands-on experience working with 2960, 3750e, 3750g series● Troubleshoot major failures in Cisco VS-S720-10G/WS-SUP720-3B supervisor engine and replace faulty sup engine by configuring VSS● Recovered access layer switches from corrupted or missing IOS file, upgraded IOS using TFTP and password recovery in catalyst switches● Checked logs of switches and router for troubleshooting network issues, worked on tickets based on priority● Worked on RPS, Stack port, switch showing provisioned/removed, uplink down related issues● Network cabling (UTP & Fibre SM/MM)● Configured VLANs like DATA, IPT, AV, BMS, WIRELESS, MSC, and IPTV● Port security and ether channel configuration● Configured trunk ports between 2960, 3750 access layer switches and 6509 distribution layer switches to carry the VLAN information over that link● Upgraded IOS in Cisco 6509 series L3 switch using eFSU process● Configured Access Points and mapped newly installed APs in WCS● IP address reservation, blacklist MAC in BlueCat Proteus DHCP server

Bengaluru, Karnataka, India

● Network monitoring● Provided technical support, answering support queries via phone/email● Worked on tickets based on priority/SLA

Bachelor Of Engineering - Be, Computer Science, First Class

College : Jayamatha Engineering College, Nagercoil

Aissce (All India Senior School Certificate Examination)