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System Engineer — Cyber Security & IT Operations

July 2022 – Present

TVS Credit Services Ltd. | Chennai, Tamil Nadu, India

• Security Operations & Incident Response: Respond to major security incidents, threat investigation, coordinate remediation workflows; manage SIEM monitoring for endpoint/network threat detection.
• Identify, track, and resolve security tickets related to technical/operational vulnerabilities; collaborate with developers to fix code-related security issues.
• Endpoint & Network Security Management: Deploy and manage Microsoft Defender EDR/XDR — configure policies, conduct threat analysis; administer Manage Engine Endpoint Central for patch management and compliance.
• Configure Netskope CASB to enforce web security policies, monitor threat activities; implement Forcepoint DLP policies to monitor data transfers and prevent breaches.
• Apply security hardening and configuration best practices; ensure identity governance and privileged access control aligned with IAM (SSO/PAM).
• Handle change management processes; support vulnerability management and patch deployment; manage team activities and cross-functional collaboration.

System Engineer — Desktop Support & Security (Contract)

July 2022 – Dec 2024

Precision Infomatic (Client: TVS Credit Services) | Chennai, Tamil Nadu, India

• Provided desktop support and maintenance, diagnosing hardware/software issues, reducing system downtime.
• Installed, configured, and upgraded OS, applications, and patches to maintain security and compliance.
• Monitored network performance, identified connectivity issues, collaborated with network teams.
• Educated users on IT security policies and conducted training; assisted in deploying desktops, laptops, printers, and mobile devices.
• Maintained accurate documentation of issues and tickets for tracking and reporting.

Microsoft Defender EDR Implementation

Configured EDR policies, performed threat analysis, responded to security incidents, enhancing detection and response capabilities across enterprise endpoint estate.

Manage Engine Endpoint Central Deployment

Supported organization-wide deployment of Endpoint Central Agent — managed software distribution, patch cycles, and endpoint monitoring, improving IT operations compliance.

Netskope Internet Security (CASB)

Contributed to implementation and maintenance of Netskope — configured web security policies and monitored threat activities, reducing cyber risk and enhancing data protection.

Forcepoint DLP Data Protection

Deployed and supported Forcepoint DLP — configured data loss prevention policies, monitored data transfers, and addressed breach incidents, significantly strengthening data security posture.

• Published 450+ PowerShell automation scripts for IT admins covering AD, Azure AD, Exchange Online, Intune & M365.
• Built SOC learning platform covering auditing, ISO standards, malware analysis, OWASP, and practical security cheat sheets.
• Developed ISO 27001:2022 readiness assistant and security auditing/compliance platform based on ISO 27001, NIST & HIPAA.
• Created browser-based CISSP prep app with 900+ practice questions and a massive pentesting reference collection.
• Published privacy & security scripts for macOS, Windows, and Linux with troubleshooting guides for IT administrators.

BSc Information Technology

Aug 2017 – June 2020

The American College, Madurai

While my hands-on experience is in IT security environments, my skills in endpoint protection, network security monitoring, incident response, and security hardening directly translate to OT/ICS security principles. I am actively expanding my knowledge of the Purdue model, IT vs OT security distinctions, and industrial network architectures to contribute meaningfully to Honeywell's operational technology security mission. I am keen to work with technologies such as Honeywell Cyber Insights, Splunk, and Honeywell Cyber Predict to build and shape next-generation OT security.