Azad Tauhidur Rahman Suman

Lead enterprise systems engineering teams, specializing in advanced Linux System Administration (Ubuntu, CentOS, Debian) and zero-downtime operations. Integrate Generative AI via OpenWeb-UI using DeepSeek, Qwen & different LLMs. Handled Cisco ASR, NCS 540, Nexus L3. Developed Python automation scripts. Lead and trained core technical and IT personnel in advanced server, network, and IT infrastructures.

Directed enterprise perimeter defense arrays using various firewalls. Administered high-security Linux hosting frameworks enforcing mail infrastructure protocols to secure system deliverability. Managed core network switching architectures across a metropolitan city fiber loop while supervising telemetry status using Nagios. Managed massive enterprise routing infrastructure using Juniper MX480 core routers. Handled complex Linux servers (DNS, Mail, MRTG, Zimbra, FTP, PBX, and live streaming setups).

Led technical operations across 3,000 branches serving 30,000 users. Focused on high availability & data security. Utilized automated tools to guarantee server uptime. Managed critical storage security and enterprise project-tracking systems.

Managed full-scale system architecture and core enterprise Linux networks. Configured and secured high-availability cloud database engines and localized cluster environments. Configured DNSSec, VoIP servers. Handled USA based various remote server support. Also managed network infrastructure using Cisco routers and switches.

Commanded the central NOC operations and directed a 300 km fiber-optic redundant ring backbone across the metropolitan area. Handled advanced network routing protocols, configuration of active routing equipment, Extreme L2/L3 switches, and client-side troubleshooting. Maintained system availability logs and optimized local server topologies.

Managed internet solutions and on-site support. Design and administration of prepaid, postpaid, and unlimited accounts via SQL databases. Administered switches, routers, bridges, DNS, mail, proxy, and access servers.

Core responsibilities: Object-Oriented Programming (Java, C++, VB) infrastructure deployment, enterprise network administration, student schedule management, library management systems and teaching comprehensive Aptech IT courses.