Sriagil Sivakumar

Specialist: IT Infrastructure Management

AppViewX

02.2022 - Current

Oversaw and maintained endpoint security tools; coordinated monthly patch cycles across Windows, macOS, and Linux environments to ensure compliance and minimize vulnerabilities.
Deployed and managed MDM solutions including JAMF, ManageEngine UEM, and CrowdStrike Falcon to secure over 700 endpoints across global user bases.
Administered virtualization platforms using VMware and Nutanix; managed enterprise backup and recovery operations through Veeam.
Designed and implemented security-focused automation using Python, such as Cisco Meraki SSID-based user tracking with automated daily reporting via email.
Monitored network health and infrastructure performance using ManageEngine OpManager, ensuring uptime and rapid incident response.
Administered SIEM and DLP tools to enhance real-time threat detection, response, and data protection policies.
Led proof-of-concept (PoC) evaluations and full implementations for multiple security tools and systems, including Zscaler ZPA/ZIA, Microsoft BitLocker, FileVault, Active Directory Audit Plus, and custom Self-Service Portals.
Developed and deployed a full-stack MERN application for daily cloud cost visualization across AWS, Azure, and GCP accounts.
Gained hands-on experience in cloud platform administration and resource optimization across Azure, AWS, and GCP.
Provided hands-on helpdesk support for end users across Windows, macOS, Linux, and virtual machine environments; experienced in managing service requests, incidents, and change controls through JIRA and established ITIL-based change management processes.
Contributed to ISO/ISMS audit readiness through structured infrastructure documentation, logging practices, and access control alignment.
Conducted comprehensive OS hardening and implemented application whitelisting policies to reduce attack surfaces across both server and end-user devices.