Network Ops * ISP Infrastructure * Data Center * BGP/OSPF * Fiber Optics * System Admin * Web Development * Cloud Hosting * E-Commerce *
Network Ops * ISP Infrastructure * Data Center * BGP/OSPF * Fiber Optics * System Admin * Web Development * Cloud Hosting * E-Commerce *
Available for New Deployments

NETWORK
ENGINEER.

I'm SK Hasibur Rahman. I engineer high-availability network infrastructures, enterprise broadband solutions, and robust cloud hosting environments. By bridging the gap between core routing, server administration, and web deployments, I build systems designed for maximum resilience and 99.9% uptime.

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SK Hasibur Rahman
8+ YRS
EXPERIENCE
Sys_Info

Dedicated IT Infrastructure
& Network Engineer

Server Rack

With over 8 years of experience managing technical operations, system administration, and web deployments, I currently manage enterprise broadband infrastructure, advanced routing, and data center operations for multiple interconnected ISPs.

Adept at bridging the gap between software performance and network reliability. Proven track record of troubleshooting complex infrastructure issues, configuring server environments, and maintaining high-availability systems to ensure uninterrupted business connectivity.

8+

Years Experience

330+

Projects Deployed

99.9%

Target SLA

CV-BACKED EXPERTISE

Core Expertise Grid

A curated view of the technologies and operational areas I work with directly across production networking, ISP support, and web-system administration.

View detailed technology tiles
GROUP 01 Live infrastructure focus

Networking & Infrastructure

ROUTING & ACCESS CORE
Routing & Switching MikroTik Cisco BGP OSPF VLANs
ISP & TRANSPORT OPERATIONS
ISP Tier-2/3 Support Data Center Colocation Fiber Optic Networks (GPON)
SECURITY LAYER
Network Security & Firewalls
GROUP 02 Systems execution

Web & Systems

SERVER FOUNDATIONS
Server Administration cPanel DNS Web Server Optimization
WEB PLATFORM ENGINEERING
WordPress E-Commerce Elementor WPBakery PHP MySQL Laravel (Basic)
FRONT-END & DESIGN
HTML CSS JavaScript Web Development & Design
Execution_Logs

Professional Experience

11/2024 - 07/2026 iSmart Broadband
Bahanno ISP
Khulna Fiber Link

Senior Support Engineer

Direct Tier-2 and Tier-3 technical support for enterprise and residential broadband networks. Troubleshoot routing loops, physical fiber-optic bottlenecks, and oversee ISP hardware deployment. Manage network bridges, routing services, and traffic allocation.

11/2024 - 07/2026 Khulna Colo

Network Engineer

Administer core data center network operations ensuring 99.9% uptime. Configure, deploy, and maintain core routers, distribution switches, and implement rigorous cybersecurity protocols.

06/2016 - 05/2024 Blingzo-IT

IT Operations Lead & Founder

Directed overall IT operations and technical strategy, driving the company from a startup to an established firm with over 6,700 completed projects. Architected hosting environments and managed a technical team of 30+ professionals.

10/2019 - 09/2023 Farhanz Sticker

Technical Support & Web Lead

Led WordPress infrastructure management and custom CMS deployments. Optimized server response times and database queries, successfully improving overall website performance by 30%.

01/2020 - 04/2023 Fashion Feet BD

Web & Systems Administrator

Engineered and maintained the core IT infrastructure for high-traffic eCommerce environments, ensuring consistent system reliability. Optimized backend database performance and integrated payment gateways.

Knowledge_Base

Education

06/2022 - 06/2026 North Western University

B.Sc. in Computer Science

Khulna, Bangladesh

08/2023 - 02/2024 Stanford School of Engineering

Computer Science 101

Silicon Valley, USA

Deployments

Open Source & Web

E-Commerce

Farhanz Skins

↗
E-Commerce (Brand is gone!)

Fashion Feet BD

↗
E-Commerce

Baseus BD

↗
DataCenter

KhulnaColo

↗
E-Commerce

The Choice

↗
Saas (e-commerce web builder)

NexzaFlow

↗
Education

HTDC

↗
E-Commerce

Perfume World

↗
IT Agency

Blingzo-IT

↗
Local_Environment

Independent Projects &
Infra Lab

Home Lab Full Patch Panel Engineering

Web Hosting & Cloud Servers: Designed and administered robust hosting environments using cPanel, WHM, and custom Linux servers. Optimized LAMP/LEMP stacks for high-traffic E-Commerce platforms and agency websites, ensuring 99.9% uptime.

Virtualization & Container Lab: Architected a powerful home data center utilizing Proxmox VE and Ubuntu Server. Deployed microservices through Docker and Kubernetes to simulate enterprise network bridging, load balancing, and local routing configurations.

Network Security & Firewall Lab: Engineered local simulation environments to test MikroTik and Cisco routing protocols (BGP, OSPF). Implemented strict firewall rules, VLAN segregation, and intrusion detection systems to analyze network vulnerabilities.

Hardware Automation & Surveillance: Integrated hardware solutions using Raspberry Pi for IoT automation and network monitoring. Configured complex IP camera ecosystems, local NVR video streaming, and automated backup storage solutions (NAS).