SOC Analyst L2

TATA Consultancy Services Ltd

Chennai, Tamil Nadu, India

Type: Full-Time Arrangement: On-Site
3 - 6 Yrs900000 - 1400000(Annually)

Posted: 2 Sept 2026

Job Description

Role & Responsibilities:
Security Monitoring & Incident Response: Execute/lead initial containment, forensics scoping, and stakeholder updates; align with both best industry practice and internal IR playbooks. Lead investigations across Defender XDR/MDE and CrowdStrike (process trees, lateral movement, identity signals). Use Tanium for rapid endpoint scoping and live response actions (as per policy). Analyse Joe Sandbox reports (behaviour trees, network indicators, dropped files); derive IOCs/YARA candidates; coordinate containment. Design/maintain Cortex XSOAR playbooks (data enrichment, containment workflows, approvals, notifications); implement guardrails.
Threat Detection & Hunting: Deep familiarity with Azure AD/Entra ID, Azure Activity/Signin logs, M365 audit logs, as well as AWS and GCP logs. Author and tune analytic rules in Sentinel (KQL), Elastic (DSL/EQL/KQL/ESQL), Sigma; reduce false positives; add entity mapping and suppression logic. Proactive hunts using ATT&CK-aligned hypotheses (credential theft, persistence, C2); pivot across endpoint, identity, network, and cloud logs. Maintain GitLab repos (branching, merge requests, CI checks for detections) and workflows for detection content (code reviews, approvals, CI quality checks).
Expertise: Deep knowledge of SIEM, SOAR, and EDR platforms. Deep knowledge of threat intelligence, and incident response frameworks. Familiarity with MITRE ATT&CK, NIST, and ISO 27001 standards. Ability to analyse logs, network traffic, and malware indicators.

Required Qualifications

  • Defender XDR/MDE expertise
  • CrowdStrike investigation
  • Tanium endpoint management
  • Joe Sandbox analysis
  • Cortex XSOAR playbook design
  • Azure AD/Entra ID monitoring
  • AWS & GCP log analysis
  • Microsoft Sentinel (KQL)
  • Elastic Stack (DSL/EQL/KQL/ESQL)
  • Sigma rule authoring
  • GitLab version control
  • SIEM & SOAR platform proficiency
  • Threat Intelligence frameworks
  • Incident Response methodologies
  • MITRE ATT&CK mapping
  • NIST & ISO 27001 compliance

Preferred Qualifications

  • YARA rule development
  • Advanced false positive reduction
  • Entity mapping & suppression logic
  • CI/CD pipeline integration for security detections
  • Cloud-native security logging
  • Proactive threat hunting methodologies

Skills Required

SIEMSOAREDRMicrosoft SentinelKQLElastic StackCrowdStrikeMicrosoft Defender XDRTaniumCortex XSOARJoe SandboxAzure ADAWS CloudGCP CloudGitLabMITRE ATT&CKThreat HuntingIncident ResponseLog AnalysisNetwork Traffic Analysis