Pavithran P

• Manage and monitor AWS services (EC2, S3, CloudWatch, SNS).
• User & group management (useradd, chmod, chown)
• File system and disk management (LVM basics, partitions)
• Package installation and updates (YUM/APT)
• Service and process management (systemctl, ps, top)
• Network configuration and troubleshooting (ping, netstat, nmcli)
• Shell scripting and cron job automation
• Log monitoring and analysis (/var/log, journalctl)
• Security hardening (firewalld, SELinux basics)
• Patch management and system updates
• Handle IT incidents and service requests via Freshservice.
• Administer Windows and Linux servers/desktops, including patch updates and system maintenance.
• Deploy and manage Kaspersky Antivirus for endpoint security.
• Monitor system performance and ensure infrastructure stability and uptime.

• Provided L2/L3 support for Linux and Windows servers, ensuring smooth operations and quick issue resolution.
• Automated daily tasks using shell scripting and cron, reducing manual workload by 60%.
• Managed disk and volume with LVM, ext4, and xfs file systems.
• Delivered comprehensive IT support across servers, desktops, firewalls, and biometric systems.
• Administered Active Directory and Microsoft 365 (Teams, Outlook, OneDrive) for user and resource management.
• Set up and maintained physical servers: rack mounting, cabling, BIOS configuration, and switch-level troubleshooting.
• Coordinated with third-party vendors to meet SLA and incident resolution targets efficiently.
• Streamlined backup processes using rsync, improving recovery speed by 40%.

L1/L2 Support Experience:

• Supported Linux/Windows systems and performed hardware troubleshooting.
• Installed and configured servers (RHEL, CentOS, Ubuntu, Windows).
• Monitored servers using Zabbix; handled alerts and performance tuning.
• Configured firewalls, VPN, and IP routing for secure network operations.
• Managed MPLS/broadband links and resolved network outages.
• Administered Microsoft 365 and Google Workspace users and licenses.
• Deployed endpoint security via ESET console and enforced policy compliance.