Cyber Security Analyst

Company : TCS Skill : Threat Hunting Experience Range : 6 to 15 years Location : Chennai and Hyderabad Date : 23rd May 2026 (Saturday) Interview Mode : In-Person (Walkin) Note : Pls apply only if available for the Face to Face (Walkin) Interview on 23rd May 2026 (Saturday) Job Description : Security Threat Hunting, Detection Engineering, Splunk, SOC Designs, develops, tests, and maintains threat detection rules, searches, and analytics within Splunk and other security platforms to identify suspicious activities, anomalous behaviors, and potential insider threats. Engineer detection logic for insider threat scenarios including data exfiltration, unauthorized access, privilege abuse, policy violations, and behavioral anomalies. Creates and optimizes Splunk searches, correlation rules, and alerts to monitor for indicators of compromise and suspicious user activities across the enterprise.

Develops and tunes detection signatures and behavioral baselines to minimize false positives while maximizing detection efficacy. Collaborates with the Security Operations Center (SOC) to operationalize newly developed detections and ensure proper incident response workflows. Threat Hunting & Analysis: Identifies potential threats, anomalous or malicious activities to network resources by examining and analyzing network traffic, end user activity, and insider behavior patterns.

Conducts proactive threat hunting campaigns focused on insider threat indicators, leveraging hypothesis-driven and intelligence-led methodologies. Conducts research and analysis of various source data sets and identified malicious activities to analyze root cause, network weaknesses, and insider risk factors. Performs behavioral analysis of user activities to detect deviation from established baselines and identify potential insider threats.