Varrun Ravikumar
IT Infrastructure Engineer
Chennai
Summary
Detail-oriented Computer Systems Engineer committed to improving system design and operations for reliable workflow management. Researches and implements budget-conscious security and encryption solutions to protect user privacy and increase overall network health. I am Varrun R, an IT Engineer with over 5+ years of experience in IT support, focusing on IT infrastructure, networking, and security. My expertise includes managing and securing complex IT environments using Tenable for vulnerability management, which has sharpened my skills in identifying and mitigating security risks.
Overview
9
9
years of professional experience
9
9
years of post-secondary education
6
6
Certifications
2
2
Languages
Work History
L3 IT Engineer
Prochant
10.2023 - 07.2025
- Manage Active Directory (AD) and its group policies.
- Oversee the Sophos firewall by creating and implementing rules and policies based on requirements.
- Configure new firewalls, and maintain the infrastructure environment through regular monitoring.
- Manage Security Information and Event Management (SIEM) tools, including AD Audit, Event Log Analyzer, and Log360, to maintain logs, and take appropriate actions.
- Utilize Tenable to minimize vulnerability risks within the infrastructure.
- Work within the Azure environment, deploying new machines based on subscriptions, and providing troubleshooting support as needed.
- Configure and monitor using Site24/7 by creating alert profiles for the servers.
- Troubleshot complex technical issues, providing timely resolution to minimize disruptions.
- Designed and deployed effective IT solutions for increased productivity and streamlined operations.
- Implemented data backup and recovery procedures, safeguarding critical business information against potential loss.
IT System Engineer
Zahra Security Systems LLC
04.2022 - 05.2023
- Handling servers and infrastructure, digital security systems for Sharjah Airport, Emirates Health Services (EHS) sites, Emirates Global Aluminium (EGA) sites, five-star hotels, and ENBD and Network International.
- Configuring the server for the access control devices.
- Configurations for NVR SQL: configuring and setting up the OneDrive.
- Managing the IT administration.
- Configuring the network switches and new network architecture deployment.
- Server Monitoring and Backup: Physical and Remote.
- IT project management.
- Resolved issues and escalated problems with knowledgeable support and quality service.
- Resolved complex technical issues through effective problem-solving techniques and root cause analysis.
IT Support Engineer
Opentec Systems LLC
08.2021 - 02.2022
- Installation and configuring the server.
- Configuring the database.
- Installing and Configuring a VPN.
- Troubleshooting PC and passport scanners for identity management.
- Creating user accounts with access rights, and monitoring the server and troubleshooting.
- Supporting Software Applications and Hardware
- Installed, configured, tested and maintained operating systems, application software, and system management tools.
- Improved IT system performance by implementing proactive maintenance processes and timely upgrades.
- Maintained detailed documentation of technical issues, resolutions, and knowledge base articles for future reference.
Network Security Analyst Intern
HLB HAMT
02.2021 - 07.2021
- Security events are being monitored and analyzed with the help of a SIEM tool.
- SOC produces are carried out
- Security threats and incidents are triggered, irregularities are detected, and remediation measures are recorded.
- Analysis of phishing emails reported by internal users and users.
- Coordinated with third-party security information and event management (SIEM) providers to maintain protections and predict threats.
Junior Software Developer
Sachidaya Outsourcing PVT LTD
01.2018 - 08.2019
- Designed and developed User Interface, fixed issues in the application and performed support, maintenance, programming development for web pages and web applications
- Analysed current internet, website requirement, and contributed to planning & execution of projects by organizing, scheduling, executing and coordinating work assignments to achieve milestone deadlines
Software Engineer
Antal Infotech
06.2017 - 11.2017
- Contributed as Hybrid Developer by developing products on Android & iOS platform
- Maintained websites and applications including content updates, debugging, feature enhancements, documentations, testing, and regular upgrades to ensure web security and system usability
Junior Application developer
Smaat Apps Technology
06.2016 - 04.2017
- Worked on Mobile Application Development using Native iOS and contributed as Hybrid Application Developer by using React-Native
- Performed research of new web technologies including software & hardware developments and steered changes in design, security, software and hardware
Education
Master Of Science - Network Management and Cloud Computing
01.2020 - 11.2022
Bachelor of Engineering - Computer Science and Engineering
06.2012 - 04.2015
Diploma - Computer Engineering
06.2007 - 04.2010
Skills
Infrastructure operations
Certification
CCNA
Interests
Passionate about exploring advancements in cloud computing and their applications in business environments
Value working in collaborative environments where I can share knowledge and learn from others
Timeline
L3 IT Engineer - Prochant
10.2023 - 07.2025
IT System Engineer - Zahra Security Systems LLC
04.2022 - 05.2023
IT Support Engineer - Opentec Systems LLC
08.2021 - 02.2022
Network Security Analyst Intern - HLB HAMT
02.2021 - 07.2021
Middlesex University - Master Of Science, Network Management and Cloud Computing
01.2020 - 11.2022
Junior Software Developer - Sachidaya Outsourcing PVT LTD
01.2018 - 08.2019
Software Engineer - Antal Infotech
06.2017 - 11.2017
Junior Application developer - Smaat Apps Technology
06.2016 - 04.2017
Jeppiaar Institute Of Technology - Bachelor of Engineering, Computer Science and Engineering
06.2012 - 04.2015
Sri Sairam Polytechnic College - Diploma, Computer Engineering
06.2007 - 04.2010
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