Cidharshini Thirunavukkarasu

About Cidharshini Thirunavukkarasu

I am a Senior Splunk Developer & Administrator with over 4+ years of hands-on experience in deploying and optimizing Splunk Enterprise and Universal Forwarder across Windows platforms. My expertise includes designing dynamic dashboards, visualizations, and alerts to monitor critical system metrics and services, with a particular focus on Splunk IT Service Intelligence (ITSI). I am skilled in field extractions, correlation searches, incident resolution, and optimizing system performance through automation. Currently working at HCL Technologies, I am responsible for providing L3/L4 support, resolving complex incidents, and ensuring minimal downtime. I have successfully automated event log ingestion processes, reducing manual work by 40%, and developed custom dashboards that streamline operational efficiency. Additionally, I have extensive experience integrating Splunk with MSSQL databases, applying machine learning tools for anomaly detection, and leveraging predictive analytics to improve service monitoring and decision-making. With proficiency in PowerShell, and a wide range of monitoring tools like New Relic, Dynatrace, and AppDynamics, I bring a comprehensive skill set in performance monitoring, incident management, and automation. My goal is to continue delivering value by implementing Splunk solutions that enhance operational efficiency, security, and data-driven decision-making across organizations. Key highlights include:• Splunk Solution Architecture: Architecting and implementing end-to-end Splunk solutions that enhance operational visibility and improve IT service management.• Security and Threat Detection: Developing intelligent correlation searches and alerting mechanisms to detect anomalies and security threats in real-time.• Automation and Efficiency: Automating Splunk data ingestion, log filtering, and system monitoring through PowerShell scripting, reducing manual workload and increasing efficiency.• Predictive Analytics and Risk Mitigation: Creating predictive analytics models within Splunk to identify potential system failures and mitigate risks proactively.• Integration and Observability: Spearheading the integration of Splunk IT Service Intelligence with various third-party monitoring tools for enhanced observability.• Performance Optimization: Leading performance tuning initiatives that optimize data indexing, improve search performance, and enhance dashboard responsiveness.• Security Monitoring & SSL Implementation• Service Dependency Management & Change Management

Experience

1. Security Analyst

   Lennox India Technology Centre

   Jan 2026 — Present · Chennai, IN

Education

• K.Ramakrishnan College of Engineering

  Bachelor of Engineering

  2017 — 2021

• St.Isabels Girls Higher Secondary School

  Higher Education

  2015 — 2017