Jayesh Maurya

Cyber Security Analyst with 2 years of experience in Security Operations, specializing in threat detection, alert triage, and incident investigation. Hands-on experience with SIEM and EDR tools including Microsoft Sentinel, Defender, and SentinelOne. Skilled in analyzing security events, identifying indicators of compromise, and supporting incident response in enterprise environments.

Associate CyberSecurity Engineer at Reliance Jio Platforms Limited (2025-03 – Present)

Security operations and threat detection in enterprise environment

• Operated in a 24x7 SOC, monitoring and analyzing 400–500 security alerts/month across telecom infrastructure, data centers, and endpoints
• Handled incident response for in-house and MSSP environments, investigating and containing security events across diverse systems
• Performed alert triage and threat investigation including brute-force attacks, phishing attempts, and anomalous activities
• Conducted log analysis (Windows, Linux, network) to identify IOCs and validate security incidents
• Utilized SIEM & EDR tools: Microsoft Sentinel, SentinelOne, Microsoft Defender, Wazuh, and LogRhythm
• Ensured SLA adherence, documented incidents, and escalated high-severity threats to L3 teams
• Reduced false positives by 40% through detection rule tuning and alert optimization
• Applied understanding of networking concepts, including OSI layers, TCP/IP, Subnetting, HTTP, SMTP, DNS, DHCP, and related technologies, aiding in comprehensive threat analysis
• Applied the MITRE ATT&CK framework to map and analyze adversary tactics, techniques, and procedures (TTPs), enhancing threat detection and incident response efforts
• Prepared detailed reports, Standard Operating Procedures (SOPs), and summaries for internal SOC use and client delivery

IT Operations / SOC Support Engineer at Yotta Data Services Pvt Ltd (2024-05 – 2025-02)

IT operations and SOC support with focus on monitoring and incident investigation

• Monitored enterprise servers, network devices, and virtual machines ensuring infrastructure availability
• Investigated alerts using Zabbix monitoring and system log analysis
• Performed secure system access using PuTTY and Privileged Access Management tools
• Assisted SOC teams during investigations by validating logs and system health

Bachelor of Computer Engineering in Computer Engineering – Lokmanya Tilak College of Engineering, Mumbai (2024-05)