I am Al Amin, an experienced system administrator, network engineer, and cyber security specialist with over nine years of experience in the IT sector. My career has been dedicated to securing and optimizing complex network infrastructures for both government and private organizations. Currently, I am expanding my expertise in cybersecurity through freelance penetration testing, where I apply advanced techniques to identify and mitigate vulnerabilities in various digital environments.
Currently, I hold the position of Assistant Network Engineer at the Department of ICT, under the ICT Division of the People's Republic of Bangladesh. In this capacity, I am responsible for overseeing critical government projects, ensuring that technological implementations meet the highest standards of reliability and security. My role involves the supervision, maintenance, and monitoring of network systems at the district and field levels, contributing to the seamless execution of national IT initiatives.
Prior to this, I played a key role in the Info-Sarker Phase III Project with the Bangladesh Computer Council. My responsibilities included the oversight of optical fiber installations and the acceptance of vital network equipment, which were integral to the project's success at the union, upazila, and district levels.
My technical journey began with a strong foundation in network engineering at GramBangla Systems Limited, where I managed and secured network infrastructures using Cisco, Huawei, and Mikrotik technologies. Over the years, I have expanded my expertise to include advanced cryptography, ethical hacking, and practical cybersecurity measures.
My technical expertise is underpinned by a series of prestigious certifications, including Red Hat Certified System Administrator (RHCSA), Red Hat Certified System Engineer (RHCE), Huawei Certified ICT Associate (Routing & Switching), and EC-Council Certified Security Analyst (ECSA). These qualifications reflect my deep knowledge in areas such as network administration, Linux system administration, ethical hacking, practical cryptography, and penetration testing.
In addition to my hands-on experience, I have a strong academic background with a B.Sc. in Electronics & Communication Engineering from the Institute of Science & Technology under the National University.
Beyond my technical skills, I am passionate about staying current with the latest industry trends, continuously seeking out opportunities for professional development. I also enjoy reading, music, and travel, which provide a balance to my professional endeavors.
January, 2022-Continuing.
Department of ICT, ICT Division, People's Republic of Bangladesh.
Assistant Network Engineer
Responsible for Supervising, maintaining, and monitoring government works and projects at the district/field level.
August 2017 - December 2021
Bangladesh Computer Council, Info-Sarker Phase III Project
Assistant Network Engineer
Supervise the acceptance of HDPE Duct and accessories from the contractor to NTTN and submit the report to the project office.
Supervise the acceptance of imported equipment from CRIG to NTTN and submit the report to the project office.
Operate the Open Box Inspection (OBI) of equipment at unions, upazila, and district levels.
Supervise the setting up of optical fiber for "Info-government 3rd phase project" at the district, upazila, and union levels and submit regular reports.
Supervise the installation of equipment for the "Info-government 3rd phase project" at district, upazila, and union levels.
January 2015- August 2017.
GramBangla Systems Limited
Senior Engineer(January, 2017 – August, 2017)
Junior Engineer(January, 2015 – December, 2016)
Installation and troubleshooting of Cisco/Mikrotik Router and Switch.
IP core and access network maintenance and planning.
Employ different types of switching & routing protocols (VLAN,PPPoE,STP,OSPF,BGP,PBR,GRE)
Coordinating with internal and external stakeholders and network partners.
Monitoring the network system through network monitoring tools and taking immediate steps in case of any alert or fault
Configure and manage servers (Mail server, Web server, DNS, MRTG) in Linux and Windows environments.
Support customers, design LAN and WAN, IP, Update websites, the Internet, email services, network & hardware knowledge.
Responsible for troubleshooting, reporting, scheduling, and performing all necessary activities to accomplish the job perfectly at customer sites.
Certified NetworkSecurity Practitioner(CNSP), 2023
Certified AppSec Practitioner(CAP), 2023
EC-Council Certified Security Analyst (ECSA/CPENT), 2020
Huawei Certified ICT Associate (Routing & Switching), 2019
Certified AppSec Practitioner (CAP) - The SecOps Group
Certified Network Security Practitioner (CNSP) - The SecOps Group
Red Hat Certified System Engineer, 2013
Red Hat Certified System Administrator, 2013
Project Management, 5 Days, February, 2026
Training of Trainers (ToT) Course on Frontier Technology. - 5Days, January, 2026
Digital Marketing - 6 Days, November, 2025
Change & Stakeholder Management – 3 Days, November, 2025
Advance Training on Cyber Security -6 Days, September, 2025
Course on Cyber Security (VAPT), -5 Days, August 2025
Course on Modern Office Management, -5 Days, April, 2025
Course on Digital Forensics & Investigations -5 Days, February 2025
Course on Emerging Technology to mitigate the Challenges of 4th Industrial Revolution -3 Days, May, 2024
Course on Digital Threats & Counter Measures -3 Days, May, 2024
Cyber Security Reinforcement Training - 5 Days, August, 2023
Data Science with Python Programming Language, 2022
Video Conferencing Operation and Troubleshooting, Bangladesh Computer Council, 2022
Practical Cryptography, Bangladesh Research and Education Network (BdREN), 2020
Distance Learning Course on Ethical Hacking, Bangladesh Research and Education Network (BdREN), 2019
Huawei NE05E Operation and maintenance Training, Huawei technologies Co. Ltd, 2018
Huawei S5700 Series Switch Operation and maintenance Training, Huawei technologies Co. Ltd, 2018
Huawei NE20E Operation and maintenance Training, Huawei technologies Co. Ltd, 2018
Red Hat Certified System Administrator, 2013
Online short course & Workshop
Improving Security and Scalability with blockchain & edge computing . Codered, EC-Council
How to Overcome SOC Challenges using a service-Driven Model. Codered, EC-Council
Threat Hunting Practices for Security Operations Centers. Codered, EC-Council
Introduction to Dark Web, Anonymity, and Cryptocurrency.Codered, EC-Council
Ethical Hacing Essntials. Codered, EC-Council
SQL Injection Attacks. Codered, EC-Council
Network Defend essentials. Codered, EC-Council
A Practical Introduction to Cloud Computing. Codered, EC-Council
Publications
MD. AL AMIN & Sajal Sarkar. DEVELOPMENT OF BANGLA CHARACTER RECOGNITION SYSTEM USING(CORRELATION & CROSS-CORRELATION) MATLAB,i-manager's Journal on Pattern Recognition,Volume. 3 No.2 june-August 2016, ISSN-2349-7912
Interests
Reading books, listening music, Travelling etc.