Greeting From TCS!!!Role: Cybersecurity Admin Sec - SIEM AdministratorExperience: 8 to 12Location: ChennaiSNResponsibility of / Expectations from the Role 1Conduct proactive threat hunting activities across endpoints, networks, cloud environments, and identity platforms. - Develop and execute threat hunting hypotheses based on threat intelligence, emerging attack trends, and organizational risks.- Identify Indicators of Compromise (IoCs), Indicators of Attack (IoAs), and suspicious behaviors.2Analyze security events to detect stealthy, persistent, and advanced threats.- Consume and operationalize cyber threat intelligence feeds.3Map adversary tactics, techniques, and procedures (TTPs) to the MITRE ATT&CK; framework.- Track emerging threats, vulnerabilities, and attack campaigns.- Document hunting findings, attack patterns,



and remediation recommendations.- Present threat hunt outcomes to security leadership and stakeholders.4Collaborate with SOC, Incident Response, Vulnerability Management, Red Team, and Security Engineering teams.Develop scripts and automation to improve threat hunting and investigation efficiency.5Continuously evaluate and improve security monitoring and detection coverage.Contribute to purple team exercises and detection validation activities.6 Enhance threat detection capabilities within SIEM, EDR, NDR, and XDR platforms.7Develop hunt queries using KQL, SPL, SQL, Sigma, YARA, or similar technologies.8 Support incident response activities for malware infections, ransomware, insider threats, credential compromise, and APT attacks.

📌 Cybersecurity Admin Sec - Siem  Administrator (Chennai)
🏢 Tata Consultancy Services
📍 Chennai