Certified Network Engineer with 4+ years of experience in designing and managing secure network infrastructures. Expertise in firewall configuration, VPN setup, VLAN management, and Active Directory administration. Achieved a 30% reduction in downtime through effective network monitoring and rapid issue resolution. Strong analytical skills complemented by hands-on experience with various network management tools.
• Configured and managed firewall rules, reducing external threats by 25%.
Designed LAN/Wi-Fi infrastructures for 5 or more offices, optimizing secure connectivity.
• Implemented site-to-site VPNs, ensuring seamless, secure communication.
Reduced downtime by 35% through firmware optimization and proactive support.
• Maintained switches, VLANs, and routing protocols (OSPF, ISIS, and BGP).
Handled AD accounts, ensuring access control policy enforcement.
• Provided remote and onsite support for over 50 users on hardware and network issues.
• Maintained Exchange and SMTP/IMAP email systems with 99.9% uptime.
Reduced print-related IT tickets by 20% by optimizing network printer setup.
• Diagnosed over 100 physical-layer issues through structured cabling repairs.
• Managed user roles and GPOs on Windows Server and Linux environments.
• Resolved over 300 technical tickets within SLA parameters.
Monitored performance with WhatsUp Gold, and resolved outages proactively.
• Led server backup and recovery operations, aligned with business continuity.
• Trained internal users on network basics and cyber hygiene best practices.
I hereby declare that all the above furnished details are true to the best of my knowledge
Sam Selvakumar, R. C,
Chennai.