Cyber Security Engineer

2 weeks ago

Bengaluru Karnataka India, Karnataka Tata Consultancy Services Full time

Skill: Splunk

Experience Range: 5+ years

Joining Location: PAN India


We are currently planning to do a Walk-In Interview on 22nd November 2025 at TCS Chennai.

WALK IN DATE – 22nd November 2025 (Saturday)

WALK IN LOCATION - Chennai/ Bangalore/ Hyderabad


Job Description:

Required Skills

  • Strong understanding of log management and SIEM concepts.
  • Proficiency in log source onboarding, parsing, and CIM compliance.
  • Experience in content development (correlation rules, dashboards, alerts) and tuning.
  • Solid troubleshooting skills for both Splunk platform and security content.
  • Experience with Splunk administration, deployment, and health monitoring.
  • Familiarity with SIEM optimization techniques and best practices.
  • Ability to conduct gap analysis and develop actionable recommendations.
  • Excellent communication and documentation skills.
  • Relevant certifications (e.g., Splunk Certified Admin, Splunk Certified Architect) are a plus.


Good-to-Have:

  • Splunk Certified Admin, Splunk Certified Architect) are a plus.


Roles and Responsibilities:

  • Implement and configure Splunk SIEM solutions tailored to organizational security requirements.
  • Onboard diverse log sources into Splunk, ensuring data is parsed and normalized according to the Common Information Model (CIM).
  • Develop and maintain data models, field extractions, and event parsing logic.
  • Design, develop, and tune detection rules, correlation searches, dashboards, and alerts.
  • Continuously optimize content to reduce false positives and improve detection accuracy.
  • Monitor and maintain the health, availability, and scalability of the Splunk environment.
  • Perform regular platform optimization, including indexing, storage management, and search performance tuning.
  • Administer Splunk components (indexers, search heads, forwarders, etc.) and manage upgrades/patches.
  • Collaborate with stakeholders to ensure successful delivery of security monitoring capabilities.
  • Conduct log source and use case gap analysis to identify coverage gaps and recommend enhancements.
  • Work with security teams to develop new use cases aligned with evolving threat landscapes.

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