Jayesh Jambkar

About Jayesh Jambkar

I have 1.9 years of experience as a Cybersecurity Analyst in Security Operations (SOC), where I specialize in real-time threat detection, incident response, and security monitoring. My experience includes working with SIEM platforms like Splunk, Microsoft Defender (EDR, XDR), and email security solutions such as O365 to protect enterprise environments from evolving cyber threats.I have successfully worked in 24/7 SOC environments, handling incidents end-to-end from alert triage, log correlation, phishing investigations, malware analysis, to escalation and reporting. My role has also involved fine-tuning detection rules, reducing false positives, preparing weekly SOC reports, and supporting compliance requirements. Real-time monitoring and analysis of security events using SIEM tools like Splunk. Investigated security alerts from firewalls, IDS/IPS, and endpoint security solutions to identify and mitigate threats. Expertise in email security and phishing investigations using Microsoft Defender for Office 365. Hands-on experience with Microsoft Defender for Endpoint and Defender XDR for endpoint protection. Managed and tracked security incidents using Jira and ServiceNow, following SOC workflows and SLA requirements. Conducted malware analysis, network traffic inspection, and basic threat hunting to identify risks. Fine-tuned SIEM alert rules to reduce false positives and improve detection efficiency. Collaborated with IT and security teams on incident containment, remediation, and root cause analysis. Participated in 24/7 SOC operations, ensuring critical alerts were prioritized and addressed promptly.Along with day-to-day operations, I have contributed to reducing false positives and improving SOC efficiency, supported phishing investigations that protected enterprise users from account compromise, and ensured timely escalation of high-severity incidents.Passionate about continuous learning and security innovation, I am now expanding my expertise in cloud security, MITRE ATT & CK mapping, and proactive threat hunting, with the goal of driving stronger security operations and resilience.

Experience

1. Technical Engineer

   Tecpact Technologies Pvt Ltd

   Nov 2025 — Present · Mumbai, IN

Education

• Mahatma Gandhi Mission's College Of Engineering and Technology, Navi Mumbai

  Bachelor of Engineering - BE, Computer Engineering

  2023