Arundhadhy Devi

Results-driven L1 Network Engineer with hands-on NOC experience in ISP infrastructure, broadband connectivity management, and multi-vendor network operations. Proficient in PPPoE/IPoE session management, BNG subscriber diagnostics, SNMP-based network monitoring (Zabbix, Observium, LibreNMS), and multi-vendor switch configuration (Cisco, Huawei, Arista). Experienced in Linux-based network platforms, RADIUS authentication, real-time fault management, and SLA-driven ticket resolution.

Immediate joiner with a strong foundation in TCP/IP networking, VLANs, and IP addressing.

L1 Network Engineer - Zentrtx Global Systems Pvt. Ltd. - Ernakulam, Kerala

(2026-01)

Provided remote and on-site L1 support for broadband and IP connectivity issues across multiple ISP client environments, ensuring rapid fault resolution and minimal downtime

• Managed PPPoE and IPoE subscriber sessions including MAC binding configurations on BNG/vBNG platforms for uninterrupted broadband service delivery
• Diagnosed BNG subscriber session faults using rcli-based CLI tools; resolved RADIUS session binding gaps that caused restricted client access
• Monitored network infrastructure using Zabbix, Observium, and LibreNMS; configured SNMP templates and alert macros (including IFCONTROL macro) to detect port-down events and device faults in real time
• Performed bulk port shutdown and port status operations on Arista EOS switches using range and comma-separated EOS syntax from show interfaces status output
• Managed multi-vendor environments including Huawei VRP, Arista EOS, and Cisco IOS for port-level configurations, interface verification, and switch status monitoring
• Coordinated BNG service restarts on Ubuntu 22.04 Linux servers (Bisonrouter vBNG), including IP pool creation, VLAN interface setup, and IPoE server configuration
• Maintained SLA compliance through structured ticket handling, incident documentation, and timely escalation to L2/L3 engineering teams
• Installed and configured Ubuntu Server on Proxmox VE for basic VM-based network service hosting

Diploma - Computer Engineering - Government Polytechnic College (2025)

Diploma - Networking & Cloud Computing - SDC Networks (2025)