NITINRAJ THIRUNAKKARASU

CompTIA Security+ and ISC2 CC certified IT & cybersecurity professional with experience in technical support, Windows systems, Active Directory, Microsoft 365, networking, user access management and enterprise troubleshooting. Hands-on experience with Windows Server, Microsoft Sentinel, Splunk, Wazuh, vulnerability management and incident investigation. Seeking a System Engineer role.

• CompTIA Security+
• ISC2 CC
• IBM Cybersecurity Analyst
• Fortinet NSE 1 & 2
• Cisco Networking Academy (CCNA Modules 1 & 2)

• Microsoft Sentinel Cloud SIEM & Honeypot: Built Azure SIEM, created KQL detections, investigated brute-force attacks.
• Splunk Threat Detection: Developed SPL queries to analyze Windows/Sysmon logs and investigate security events.
• Wazuh EDR Lab: Configured endpoint monitoring with custom detection rules and alert analysis.
• Network IDS Lab: Detected and analyzed network attacks using Suricata and Wireshark.
• Threat Hunting: Conducted IOC-based investigations in Splunk using the MITRE ATT&CK framework.