Technical Support Senior Engineer

P A R A M E S W A R A N K

TECHNICAL SUPPORT SENIOR ENGINEER

OBJECTIVE:

To work in a globally competitive atmosphere on challenging assignments that utilize my training and skills, while making a significant contribution to the company's success. An individual and motivated employee capable of time management and working under pressure in all environments. TECHNICAL SKILLS:

Network/Protocol: OSI Layers, LAN/ WAN, TCP/IP, IPv4/IPv6, ARP, TCP Header, IP Header, HTTP, HTTPS Protocols, High Availability, Telnet, SSH, RDP, Traditional Firewall, Next Gen Firewalls, Zone Configuration, Interface Settings, ISP configuration, MTU, Bandwidth Management, DNS, Subnetting, Ipv4 & Ipv6, Domain controller, Wireshark, NAT, IP Routing, Failover& Load balancing, DHCP, ARP, NAT, SSL VPN, IPSec Vpn Windows Server, VOIP, Microsoft Hyper-V, VMware ESXI, vSphere, DRS, Virtual SAN, vMotion, Endpoint Security, Clusters. EDUCATION:

Educational Qualification/ Degree, Major:

SRM Institute of Science and Technology

Educational Qualification/ Senior Secondary

AKKV Aarunadu Matric Higher Secondary School

Educational Qualification/ Higher Secondary,

Mahatma Gandhi Centenary Vidyalaya

WORK EXPERIENCE:

Technical Support Senior Engineer

SonicWall Technology Systems Pvt Ltd, Bangalore

Troubleshooting SL1, 2, 3 & 4. Technical support cases. Expertise in handling global customers (NOAM, EMEA, APJ). March 2021 to Present

Handling business-critical cases where t he customer's business is getting highly impacted, to provide a faster resolution.

Performing replication of the issue in lab environment to identify the symptoms/ root cause of the issue.

Performing replications of feature releases/ maintenance releases to identify any bugs if any. Identification of bugs on existing features and reporting the same to the development team. Experience in configuring and troubleshooting Site-to-Site VPN between SonicWall to third- party devices.

2016-2020

2014-2016

2012-2014

Experience in configuring and troubleshooting IPSec client VPN services for remote user access using SonicWall Global VPN Client/L2TP.

Experience in configuring and troubleshooting SSL client VPN services for remote user access via Netextender and Mobile Connect.

Experience in configuring and troubleshooting High availability (HA). Experience in generating CSRs and updating signed CSRs on UTM firewalls. Experience in implementing User Authentication via LDAP/Radius and SSO agent on SonicWall UTM.

Experience in configuring Geo-IP services for location-based WAN and access to the internal network.

Experience in configuring and troubleshooting a firewall with NAT policies and access rules for WAN to LAN zone communication.

Experience in configuring and troubleshooting failover and load balancing for redundant network access using multiple ISP WAN connections. Performing packet capture, analyzing and identifying the network problems on daily basis on the customer's network environment.

Experience in configuring security services like gateway anti-virus, IPS, antispam, DPI SSL, DPI SSH content filter, Anti anti-spyware.

Experience in configuring and implementing Virtual machines in VMware Exsi/Hyper V, cloud deployment.

Configuring the server and adding t h e required virtual hard disk for memory allocation. Experience in configuring Syslog / Flow-based server on SonicWall UTM for log reporting. Experience in managing multiple firewalls on SonicWall NSM (Network Security Management) using zero-touch deployment.

Experience in managing multiple VM instances on the SonicWall cloud platform (IaaS/SaaS). Worked on configuring VM instances in VMware Esxi and Microsoft Hyper-V. CSS Corp Pvt. Ltd., Chennai

Customer Support Associate

Aug 2020 to March 2021

Providing support to multiple clients like IBM, TechM, and L&T Tech on resolving portal login- related issues via phone and email.

Creating a service request on an internet portal to provide quicker resolution by checking with the back-end team.

Collecting required screenshots of the error to identify the root cause of the issue. Following up with customers and resolving their issues within SLA. Providing quicker resolutions by working with the back-end IT team and ensuring customer satisfaction.

PROJECTS:

AI-Powered Dustbin: A dustbin that opens and closes its lid automatically, with categorization of bio and non-biodegradable wastes based on the object detection method. (01/2020 - 05/2020)

Electronic Cart For Easy Shopping in Supermarket: It is a cart designed using RFID tags for easy shopping and consumes less time for the customers. (01/2019 - 04/2019)

IOT-Based Smart Helmet for Miners: It is an IoT-based helmet designed for the safety of miners. Multiple sensors are used, which are interfaced with Arduino, and then all the readings are taken down by the ground station

(07/2018 - 10/2018)

CERTIFICATION:

Completed SonicWall Network Security Administrator (SNSA) Certification from SonicWall University

Completed AZ-900: Microsoft Azure Fundamentals Certification AREAS OF INTEREST:

Network Security, Windows Firewall, Next-Generation Firewall (NGFW), Hardware Firewall, Cloud Firewall, IP Core Network, High Availability, Virtual Private Network, SSL VPN, LDAP Authentication, Radius Authentication, MFA, SAML Authentication, Cloud Computing, Zscaler Cloud, Windows Server, IPv4 and IPv6 Networks, Infoblox, DNS/IPAM, Microsoft AD. Cloud Computing Support, IT Security Support, Application Support, PERSONAL TRAITS:

Adaptable

Hardworking

Flexible

Team player

Quick Learner

Self-motivated

AWARDS AND RECOGNITIONS:

Recognized as Top Performer in the team for Technical Support Excellence in Quarter 2022-2023. Received Spot Award for Excellence in Knowledge Sharing- November 2023 Recognized as SonicWall Proactive Support Excellence Award- April 2024 Received Spot Award for Above & Beyond: Tech Support, Spot Award for Internal Beta Testing- January 2025

PERSONAL DETAILS:

Name: Parameswaran K

Address: A-2 Ground Floor, Sangath Apartments Phase 1&2, MGR Nagae 2nd Main Road, Velachery, Chennai-600042

Contact: +91-956**-*****, +91-824**-*****

Email: ********@*****.***

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