M Sri Shailesh
Security Engineer @Tata Consultancy Services
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WORK HISTORY
Security Engineer @Tata Consultancy Services
Chennai, IN
Triaged and investigated security alerts per month across multiple client environments, identifying true positives and reducing escalation noise.Performed detailed log correlation using Splunk and ArcSight to analyze suspicious activities and validate potential security incidents.Supported incident response activities including phishing analysis, malware investigation, and endpoint threat validation.Assisted in SIEM rule tuning and use-case optimization to reduce false positives and improve detection accuracy.Conducted vulnerability assessments using Nessus and collaborated with infrastructure teams for remediation tracking.Monitored IDS/IPS (Suricata) and endpoint security tools to detect anomalous network and host-level behavior.Worked closely with L2/L3 teams for incident containment, root cause analysis, and security posture improvement initiatives.
EDUCATION
Dhanalakshmi College of Engineering
Bachelor of Engineering - BE, ECE
ABOUT M SRI SHAILESH
I am a Cybersecurity Professional with 4+ years of experience in Security Operations, incident monitoring, and firewall security management. Currently working as a SOC Analyst, I handle log analysis, alert triage, threat investigation, and security configuration management to strengthen organizational security posture.Beyond my core SOC responsibilities, I support growing startups in establishing foundational cybersecurity controls aligned with their business scale and risk exposure. Areas I assist startups with: • Security posture assessments and risk identification • Firewall rule review and configuration guidance • SIEM log forwarding and basic monitoring setup • Linux/Windows system hardening recommendations • Vulnerability assessment support and remediation guidance • Security documentation and policy drafting • Security best-practice consultationMy focus is on delivering practical, scalable, and cost-effective security solutions for organizations that are expanding and require structured cybersecurity guidance without the overhead of a full in-house security team.I am always open to networking, collaboration, and opportunities in SOC, SIEM, and Security Engineering domains.
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