Cyber Security & IT Professional
Hi, I'm
Nafiull Hossain
Executive IT at FIFOTech — building resilient networks, securing infrastructure and optimising enterprise systems. MSc Cyber Security, DIU.
About Me
Building resilient infrastructure and defending it — one network at a time.
I'm a results-driven IT specialist with a passion for network security and infrastructure optimisation.
Currently serving as Executive IT at FIFOTech, I manage end-to-end network operations — Cisco switches, MikroTik VLAN configs, Ubuntu server deployments, Active Directory, and VICIdial/Asterisk platforms.
I hold a BSc (Hons) in CSE with a CGPA of 3.70 and am pursuing an MSc in Cyber Security at Daffodil International University. IELTS 6.5.
Technical Skills
The full toolset I use to design, secure and maintain IT infrastructure.
Employment History
- In-house & remote IT support; network monitoring across departments.
- Configuring Cisco switches, MikroTik VLAN networks & security parameters.
- Deploying Ubuntu Server, Windows Active Directory, Asterisk/VICIdial platforms.
- Managing IP camera systems, FTP services & IT inventory.
- Maintained high-uptime office network environments.
- Installed & configured multi-node IP surveillance systems.
- Hardware repair operations, server upkeep & OS deployments.
- Assisted network administrators in daily operations & setup tasks.
- Organised hardware inventory sheets & system audit documentation.
Education & Qualifications
Network exploitation, cryptographic systems, web app security, penetration testing & audit standards.
OngoingNetwork protocols, OS architectures, security foundations & full-stack development.
CGPA 3.70 / 4.00Science stream — Physics, Chemistry, Mathematics & Biology.
GPA 4.42 / 5.00Science stream — core Mathematics & Science disciplines.
GPA 4.33 / 5.00Contact Me
Open to full-time roles, consulting & freelance IT infrastructure projects.