M K

Cybersecurity Analyst with 3+ years of relevant experience in Endpoint Security, EDR/XDR Administration, SOC Operations, and Security Automation, along with 9+ years of total professional experience across IT support and technical operations. Experienced in managing Palo Alto Cortex XDR, Cortex XSIAM, and CrowdStrike Falcon EDR platforms, including policy configuration, endpoint deployment, exclusions, restrictions, and agent upgrade management. Skilled in CrowdStrike Falcon to Cortex XDR migration, Cortex API automation using PowerShell, SCCM/Intune application deployment, and endpoint security operations.

Experienced in monitoring, investigating, and coordinating remediation activities for alerts generated from Cortex XSIAM, LogRhythm, SOC Radar, and Varonis platforms.

Security Analyst - Hexaware Technologies - Chennai, India

(2023-02)

• Administer and manage Palo Alto Cortex XDR and CrowdStrike Falcon EDR platforms across enterprise environments.
• Handle and manage endpoint security policies, exclusions, restrictions, prevention profiles, and operational security configurations.
• Support CrowdStrike Falcon to Cortex XDR migration activities including deployment coordination, endpoint onboarding, validation, and operational transition.
• Develop and maintain Cortex API automation scripts using PowerShell for operational tasks, reporting, and endpoint management activities.
• Create and maintain Excel dashboards and operational reports for endpoint monitoring, compliance tracking, and management reporting using advanced Excel formulas and data analysis.
• Create application packages and support software deployment activities using SCCM and Microsoft Intune.
• Create and manage Change Requests (CRs) for Cortex XDR and CrowdStrike agent upgrade activities.
• Lead and coordinate P1/P2 bridge calls with management and technical teams during critical security incidents and outages.
• Monitor and investigate alerts generated from Cortex XSIAM, CrowdStrike Falcon, LogRhythm, SOC Radar, and Varonis platforms.
• Perform alert triage, incident analysis, IOC validation, and coordinate remediation activities with respective teams.
• Support endpoint onboarding, troubleshooting, health monitoring, and day-to-day BAU security operations.
• Collaborate with SOC, infrastructure, and management teams to improve enterprise security posture and operational efficiency.

System Engineer - NetAccess India - Chennai, India

(2022-02 - 2023-02)

• Resolved service requests and provided endpoint troubleshooting support for enterprise users.
• Supported desktop onboarding, software installation, printer configuration, and VPN troubleshooting activities.
• Managed IT ticket requests and provided remote technical support for users.
• Troubleshot hardware issues and supported day-to-day endpoint administration activities.

IT Assistant - PEARL GLOBAL INDUSTRIES LTD - CHENGALPATTU, INDIA

(2021-01 - 2022-02)

• Configured and supported desktop systems, user hardware, and software applications.
• Monitored firewall and antivirus-related user activities.
• Supported Outlook, O365, and MS Office-related user issues.
• Performed desktop upgrades, server backup activities, and NAS data backup support.
• Assisted with network troubleshooting and router configuration activities.

System / CCTV Camera Service Engineer - VEL SYSTEMS - CHENGALPATTU, INDIA

(2019-10 - 2021-01)

• Installed and configured operating systems, desktop systems, printers, and peripheral devices.
• Performed hardware troubleshooting and desktop support activities.
• Installed and serviced CCTV cameras and wireless networking devices.
• Supported basic networking and connectivity troubleshooting activities.

Graduate Apprentice Trainee - RENAULT NISSAN AUTOMOTIVE INDIA PVT LTD - ORAGADAM, INDIA

(2017-08 - 2018-08)

• Supported operational and maintenance activities within manufacturing environments.
• Assisted with production support and maintenance coordination activities.

CNC Operator Trainee - DONGSUNG, PRECISION INDIA PVT LTD - SRIPERUMBUDUR, INDIA

(2016-12 - 2017-08)

• Assisted in machine maintenance and operational support activities.
• Monitored production quality and maintained operational standards.

Bachelor of Engineering - Mechanical Engineering - Adhiparasakthi Engineering College (2016-05)

Diploma - Product Design and Manufacturing - CADD Centre Training Services (2019-02)