Expertly leveraged advanced SIEM and EDR tools, including SentinelOne, AlienVault, AppTrana, TrendMicro, Rapid7 InsightIDR and Forti-SIEM, to swiftly resolve complex security incidents, optimize threat detection algorithms, and maintain an impressive2-hour average resolution time for critical tickets.Orchestrated comprehensive vulnerability management and penetration testing initiatives utilizing cutting-edge tools such as Insight AppSec, Insight IVM, Metasploit Pro, and Fortify (DAST & SAST), identifying and mitigating potential vulnerabilities to continuously elevate organizational security posture.Conducted in-depth analysis and interpretation of threat intelligence data leveraging Open CTI, enriching security incidents aith contextual data, enabling sophisticated proactive threat hunting and the development of highly effective mitigation strategies.Fostered seamless collaboration with cross-functional teams to investigate and neutralize security incidents, consistently maintaining an exceptional 98% SLA compliance rate for high-priority issues.Authored and curated a comprehensive knowledge base, including detailed documentation on SIEM best practices and advanced troubleshooting techniques, resulting in a significant 40% reduction in repeat support tickets.Designed and delivered impactful training sessions on emerging threats, cutting-edge security solutions, and industry best practices, elevating the organization's overall security awareness and preparedness

- Assisted clients in the US, Canada, India, Europe, and Africa with second-level assistance for issues on Outlook, Exchange Online, Teams, Sharepoint, OneDrive, Identity, and Office Deployment.- Served as the main point of contact for technical issues with clients and other TSEs, providing advanced technical troubleshooting and solutions.- In the EMEA, NOAM, and APGC regions, we resolved five occurrences a day on average of problems with all Office 365 services.- Coordinating between the Microsoft Azure and On-Premises environments and managed identities.- Provided support to clients in organizing and executing Office 365 tasks and programs.- Assisting clients with the administration, security, information governance, and threat prevention of Microsoft 365.- Automation and scripting using PowerShell - Deep analysis, security score, threat analytics, and reviews of Defender for Office 365 and Endpoint.- Created and executed extensive security protocols and guidelines, such as information governance, insider risk management, sensitivity labeling, and data loss prevention policies, to protect sensitive data from online attacks.