Dynamic Senior Security Analyst delivering robust endpoint protection through expert configuration and management of security tools. Committed to implementing effective security policies and enhancing team knowledge through training initiatives.
Overview
8
8
years of professional experience
1
1
Certification
Work History
Senior Security Analyst
DXC Technology
Coimbatore
06.2024 - Current
Implemented security policies in Intune and SentinelOne based on customer requirements, ensuring compliance and improved security posture.
Managed and configured various EDR tools including Microsoft Defender, CrowdStrike, SentinelOne, Trend Micro, Sophos, and Intune to safeguard endpoints and maintain security standards across the organization.
Configured and deployed Trexllix HX policies in alignment with business needs, ensuring optimal endpoint protection.
Developed Python-based automation scripts to generate comprehensive security reports, improving operational efficiency and reporting accuracy.
Delivered knowledge transfer (KT) sessions to colleagues on Microsoft Defender and Intune, enhancing team expertise and improving internal knowledge sharing.
Prepared detailed implementation and configuration documentation for Intune, SentinelOne, and Trexllix HX to support deployment, troubleshooting, and compliance audits.
Security Delivery Senior Analyst
Accenture
10.2022 - 05.2024
Managed compliance activities for both servers and workstations, ensuring adherence to organizational security standards and industry regulations.
Generated and provided compliance reports to clients, highlighting security posture and adherence to best practices.
Investigated security incidents, including security breaches and vulnerabilities detected by EDR tools (such as SentinelOne, Microsoft Defender), and executed remediation actions to contain and mitigate risks.
Monitored security alerts and logs generated by endpoint security tools, analyzing potential threats, identifying vulnerabilities, and proactively addressing security issues across the network.
Configured and managed endpoint protection settings, policies, and configurations to maintain an optimal security posture across devices, ensuring effective threat prevention and response.
Addressed and resolved product-related concerns, including troubleshooting CPU spikes caused by scanning issues and resolving service-related issues to ensure continuous protection and system performance.
Prepared runbooks and Standard Operating Procedures (SOPs) for endpoint security tools, ensuring clear guidance for operational tasks and incident response.
Troubleshot and resolved onboarding issues, coordinating with the infrastructure team to ensure seamless integration of security tools on new devices.
Performed regular endpoint security tool upgrades, maintenance, and ongoing support to ensure tools remain current, secure, and effective in mitigating emerging threats.
Professional 1 Information Security Engineer
DXC Technology
12.2017 - 10.2022
Provided L2 support for endpoint security tools such as McAfee, CrowdStrike, and Proofpoint, including malware analysis and troubleshooting of security-related issues reported by end users.
Assisted in the implementation and onboarding of new accounts into the McAfee and CrowdStrike consoles, ensuring proper configuration and integration of security tools.
Addressed and resolved critical issues reported through email requests and incident management systems (e.g., ServiceNow), ensuring rapid response and minimal system downtime.
Ensured all systems within the network (clients and servers) were up to date with the latest virus definitions, protecting against potential threats and vulnerabilities.
Generated daily, weekly, and monthly reports on endpoint security status, tracking performance, compliance, and incidents. Created technical documentation for internal reference, SOPs, and runbooks to streamline operations and improve efficiency.
Performed routine tool upgrades and maintenance on security platforms to ensure they were functioning optimally and providing effective protection against emerging threats.
Reviewed and responded to security events and alerts generated by endpoint security tools, performing thorough analysis and taking corrective actions as necessary.
Education
B.Tech/B.E. - Electrical, Electronics And Communications Engineering
Vellore Institute of Technology
Vellore
01.2017
12th -
Government Higher Secondary School
Tamil Nadu, India
01.2013
10th -
Government Higher Secondary School
Tamil Nadu, India
01.2011
Skills
MS Defender and CrowdStrike
Proofpoint and Trend Micro
Cylance and Sophos
ServiceNow and Cherwell
Intune and Trellix HX
Halcyon and SentinelOne
Azure Cloud Security
Advanced threat protection
Endpoint protection
Security incident response
Threat analysis
Certification
Azure fundamentals
McAfee ePO certified
Azure Security Engineer Associate
Languages
English
Tamil
Timeline
Senior Security Analyst
DXC Technology
06.2024 - Current
Security Delivery Senior Analyst
Accenture
10.2022 - 05.2024
Professional 1 Information Security Engineer
DXC Technology
12.2017 - 10.2022
B.Tech/B.E. - Electrical, Electronics And Communications Engineering
Professional 2 Networks at DXC Technology (Was transitioned from AT&T to DXC)Professional 2 Networks at DXC Technology (Was transitioned from AT&T to DXC)