Vimal Komathukattil

• Provide end-to-end IT support for servers, including OS installation, updates, and performance troubleshooting.
• Manage software deployment and application configuration across the organization.
• Handle Office 365 administration, including user management, mailbox setup, and troubleshooting.
• Configure and support Yeastar IP PBX systems, ensuring seamless communication.
• Troubleshoot and resolve server hanging and system performance issues.
• Deliver technical support for laptops, desktops, and MacBooks, covering both hardware and software.
• Provide printer installation, configuration, and troubleshooting support.
• Administer and support MT5 trading servers, ensuring stability and smooth operations.
• Manage and configure Fortinet firewall administration, including security policies and monitoring.
• Create and maintain port forwarding rules and network configurations to support business applications.

• Administered Windows servers, performing patch management, system monitoring, and high-availability
clustering.
• Configured and maintained Fortinet firewalls, VPN tunnels, and advanced security features.
• Installed and supported NAS solutions (Synology, QNAP) for backup, redundancy, and secure file sharing.
• Managed 3CX VoIP & legacy PABX systems, including IVR, call recording, and SIP integration.
• Oversaw Office 365 (Teams, SharePoint, OneDrive) and implemented conditional access & MFA.
• Conducted root cause analysis (RCA) for escalated incidents, reducing downtime.
• Implemented security policies, endpoint protection, and identity management.
• Collaborated with cross-functional teams on infrastructure migrations and upgrades.
• Developed automation scripts (PowerShell) to streamline repetitive administrative tasks.
• Enhanced network segmentation and VLAN design to improve performance.

• Provided L2 support for enterprise apps, network, and security issues.
• Configured Cisco & HP switches (L2/L3), VLANs, port security, and QoS policies.
• Managed VPNs, firewalls, routing, and switching, including packet analysis and connectivity issue resolution.
• Maintained NAS systems for backups, disaster recovery, and secure data sharing.
• Administered Office 365 (Exchange, SharePoint, OneDrive) including license allocation and troubleshooting.
• Supported endpoint security initiatives using tools like CrowdStrike.
• Automated monitoring and reporting tasks using Python & PowerShell scripts.
• Strengthened cybersecurity posture by enforcing security compliance policies.
• Worked closely with project teams on network upgrades and security audits.
• Handled incident management & SLA-driven resolution via ticketing systems.

• Installed and maintained network devices (Cisco, FortiGate, Sophos).
• Monitored bandwidth utilization and traffic flows for optimization.
• Implemented VLANs and routing protocols to enhance network performance.
• Supported Office 365 & Active Directory environments, including user provisioning.
• Installed and configured Windows/Mac OS across enterprise endpoints.
• Assisted in network migrations and upgrades, minimizing downtime.
• Resolved Tier-1 and escalated Tier-2 incidents, ensuring SLA compliance.
• Documented network diagrams, policies, and SOPs for internal teams.
• Collaborated with vendors for ISP-related escalations.
• Supported end-user training and IT knowledge base documentation.

• Monitored network infrastructure using SolarWinds, Nagios, and PRTG.
• Performed first-level troubleshooting for IP addressing, LAN/WAN connectivity, and routing.
• Logged and resolved incidents using ServiceNow ITSM.
• Assisted L2/L3 engineers in switch, router, and firewall configuration.
• Participated in root cause analysis (RCA) for recurring network issues.