Dhaka, Bangladesh · Open to new roles

Habibur Rahman
IT Infrastructure & Network Lead

8+ years keeping business-critical systems online — networks, servers, security and support — with 99.99% uptime across IT distribution and construction organizations.

Live Network Status
UPTIME 99.99%
INTERNET Uplink FIREWALL Fortinet UTM SWITCH Core L2/L3 SERVER VMware ESXi SERVER Mail / AD 1000+ USERS ● SECURED ALL LINKS ● UP
Uptime delivered
99.99%
Users secured
1000+
Experience
8+ yrs
Certifications
10+
00

Projects

01 / 04

Enterprise Firewall Security

Deployed and hardened Fortinet FortiGate UTM firewalls securing 1000+ users; firewall policies, VPN, web filtering and threat prevention.

FortinetFortiGateVPNUTM
02 / 04

Data Center Virtualization

Built and managed VMware ESXi/vSphere virtualization on HP SimpliVity hyperconverged infrastructure for the corporate data center.

VMwareESXivSphereHCI
03 / 04

Corporate Email Infrastructure

Administered Zimbra mail servers with Barracuda email security for 1000+ users; anti-spam, archiving and high availability.

ZimbraBarracudaLinux
04 / 04

Network Infrastructure & Security

Designed and maintained Cisco L2/L3 switched networks with VLAN segmentation, plus IP CCTV and biometric access systems.

CiscoVLANCCTV
Habibur Rahman
01

About

Experienced IT professional with progressive responsibility across infrastructure, cybersecurity and disaster recovery. I manage large-scale IT operations spanning multiple companies under one group — from data center virtualization to firewall policy to the help desk ticket in front of me right now.

My focus: aligning technology with business strategy, leading cross-functional teams, and delivering projects that keep the lights on. B.Sc. in Computer Science & Engineering completed alongside full-time work (result pending).

Experience
8+ yrs
Uptime delivered
99.99%
Users secured
1000+
Certifications
10+
02

Experience

Professional Summary

Experienced IT professional with 8+ years of progressive responsibility in IT management and infrastructure projects. Proven ability to manage large-scale IT operations across IT distribution and construction companies. Expertise in aligning technology with business strategy, managing cross-functional teams, ensuring IT security, and delivering business-critical projects with 99.99% system uptime. In-depth knowledge of IT infrastructure and network platforms, with practical knowledge.

Jun 2023 — Current

Assistant Manager – IT

National Development Engineers Ltd.
  • Lead IT operations across multiple companies under one group, managing IT infrastructure and support staff.
  • Provide IT support including OS installation (Windows & Linux), administration, troubleshooting, upgrades and configuration.
  • Handle application installation, configuration, administration and support based on client requirements.
  • Ensure timely support for both Head Office and Project users, including user data backup and restore.
  • Hands-on VMware virtualization: ESXi installation, VM lifecycle management (creation, cloning, snapshot, backup/restore, migration), networking, performance monitoring and troubleshooting.
  • Implemented a Hyperconverged Infrastructure (HP SimpliVity with VMware vSphere) for the NDE data center.
  • Monitor and support the Zimbra mail server, Barracuda email security system and antivirus server.
  • Network support, monitoring and troubleshooting for Head Office and projects — remote support, with on-site visits when needed; install, configure and support routers, switches and access points.
  • Control IT budgeting, procurement, vendor relations and contract compliance.
  • Manage multiple domains and corporate websites, ensuring functionality, updates and recovery.
  • Orchestrated collaboration between IT infrastructure and customer service teams, resolving 20+ critical system-wide issues, improving service delivery (99.99% uptime) and reducing downtime incidents.
Feb 2017 — Jun 2023

Officer – IT

Brand Pvt Ltd.
  • Installation, diagnosis and servicing of PCs, laptops and all-in-one systems — Dell, Lenovo, Asus, HP, Acer and custom-built (clone) systems.
  • Installation, configuration and troubleshooting of printers (all models), scanners (Canon, Avision, HP) and UPS systems.
  • Diagnosis and servicing of components such as HDDs, RAM, power supplies, motherboards and processors.
  • Client computer diagnosing, troubleshooting and problem solving.
  • Corporate client-site support and installation work, including OS (Windows & Linux) installation, administration, troubleshooting and upgrades case by case.
03

Skills

Infrastructure & Network

  • IT Infrastructure Management
  • Firewall, Switch & Access Point deployment
  • Data Center & Server Infrastructure
  • Hardware/Software Lifecycle Management

Security & Continuity

  • Cybersecurity & Disaster Recovery Planning
  • Fortinet Firewall / UTM (1000+ users)
  • Kaspersky endpoint security (500+ users)
  • IP CCTV & Biometric Access Systems

Systems & Email

  • Google Workspace, Zimbra, Barracuda
  • Active Directory & File Servers
  • Windows IIS & SQL Database servers
  • VMware ESXi / vSphere virtualization

Leadership & Ops

  • Project & Team Leadership
  • Budgeting & Vendor SLA Management
  • IT Budget Management & Purchase
  • Cross-functional collaboration
04

Certifications & Training

Cisco Certified Network Associate (CCNA 200-301) — Network Security
Cisco · NACTAR, 6 months
2024–25
SE: Core Client Credential
Dell Technologies
2022
SE: Latitude Rugged Credential
Dell Technologies
2022
SE: Server Credential
Dell Technologies
2022
SE: Workstation Credential
Dell Technologies
2022
Oracle Cloud Infrastructure Foundations 2021 Certified Associate
Oracle University
2022
Storage Fundamentals
Hewlett Packard Enterprise
2022
ProLiant Server Foundation
Hewlett Packard Enterprise
2022
Acer Certified Engineer L1
Acer
2020
Acer Certified Engineer
Acer
2019
05

Education

2026

B.Sc. in Computer Science & Engineering

Northern University Bangladesh
Completed 2026 — result pending
2015

Diploma in Computer Technology

Naogaon Polytechnic Institute
CGPA 3.27
2011

S.S.C. in Science

Al-Hera Academy School, Joypurhat
GPA 4.06

Let's talk infrastructure.

Available for new opportunities in IT management and network infrastructure.