About Me

Resume

PERSONAL INFOS

  • First Name : Md Arif Ullah
  • Last Name : Bhuiyan
  • Nationality : Bangladeshi
  • Freelance : Available

15 +

Years of
Experience

16 +

CERTIFICATIONS IN NETWORK & SECURITY

10.5

YEARS OF ADVANCED IT STUDY & SPECIALIZED TRAINING

3

FINTECH PROJECTS IMPLEMENTED

MY SKILLS

85%
Windows Server 2008-2022
75%
Linux, CentOS, Ubuntu
85%
Macintosh OS
90%
Network Design & Implementation
75%
VPN, Load Balancing
70%
Virtualization
65%
Backup & Disaster Recovery
90%
Fintech

EXPERIENCE & EDUCATION

  • 2022 - Present
    Senior Manager, NOC, CCD & Network Security Conexxia
  • 2018 - 2022
    Technical Manager Conexxia (Equatorial Guinea)

    1. Successfully wiped out Ubiquiti WiMAX and migrated to LTE
    2. Parallelly configured a Cambium Network infrastructure for Corporate Clients
    3. Designed and implemented NOC with tools like PTRG, The Dude, Bitrix24 & cnMaestro.
    4. Upgraded transmission capability between base stations with Ericsson, Huawei & Ceragon
    5. Nationally interconnected few big companies like IMAGESA, Martinez Hermanos, BGFI,
    Eco Bank etc.
    6. On last few years well maintained complete IT infrastructure of K5 Oil Center, Foreign
    Ministry EG, Turkey Embassy etc.

  • 2011 - 2018
    IT Administrator EGTC Group (Equatorial Guinea)

    1. Designed and Implemented data center with 8TB HP Proliant Server, 4TB IBM Server
    and 32TB QNAP NAS
    2. Drawn and established an independent private network over using Cisco, TP Link, Ubiquity
    equipments to centralize ERP (UNICOM) software and CCTV real time monitoring
    3. Merged different internet sources with IP Based load balancing to preserve the internet
    for 24/7
    4. Implemented attendance system over 2,000 employees with fingerprint and magnetic card
    and centralized to monitor real time attendance
    4. Brought and implemented the idea of Discount Card, Loyalty Card Prepaid Card for Point
    of Sales
    5. Redesigned and developed group website (www.egtc.com)

  • 2011-2011
    IT Manager Silicon Technology System (Cameroon)

    1. Supervised and tested all technical installation process while opening three vehicle
    control center in Douala, Yaoundé and Nkongsamba
    2. Designed and drawn flowchart of all working process for VDMS system before
    send to development team
    3. Trained all staff to use VDMS and other controlling system to check fitness of
    vehicle
    5. Leaded the SMS marketing with regular client notification services

  • 2008 - 2011
    System Administrator Mobile Money Cameroon SA (Cameroon)

    1. Draw the right procedure to access the platform and MMPS interface
    2. Make research and market intelligence to bring new channel in existing system
    3. Handles special integration projects as assigned
    4. Strictly control the MA synchronizations procedure (Credit MA and Debit MA)
    5. Integrate system with different media
    6. Performs calculations and analysis on Revenue Sharing
    7. Create Process & Payment Flow for system
    8. System Security with Fraud Management System
    9. Bring new technology and idea as a Quality Assurance team affiliate
    10. Training for stuff for system and new channel
    11. Control terminal program downloading, printing smart card etc.

  • 2006 - 2008
    CSO (IT Support) Banglalink (Bangladesh)

    1. Maintain CSS, DMS and POS
    2. Swapping SIM, Package Migration and PCO Activation
    3. Control SAF Submission Procedure
    4. Activate and Deactivate MSISDN
    5. Register Customer for VAS
    6. Handle the Fraud Management
    7. Survey Network Quality and Stability

  • 2022 - Present
    Master in Computer Security Engineering and Artificial Intelligence University of Rovira i Virgili (Spain)

  • 2017 - 2020
    BSc in Information Technology Amity University (India)

    Digital Electronics, Programming & Problem Solving through C Language, Object Oriented Programming & C++, Oracle, Computer Oriented Numerical Analysis, Visual Basic, Data Base Management Systems, Structured System Analysis & Design, Router Protocols, Java Programming, UNIX/LINUX Shell Programming, Data Communication, Software Engineering, Accessing the WAN, Data Warehousing & Mining, Business Systems, E-Commerce, Financial Accounting & HR Management

  • 2005-2006
    Honors Diploma in Network Engineering (Bangladesh) National Institute of Information Technology (NIIT)

    A+Hardware, A+Operating, Networking+, SQL Server, Win 2003 Server Configuration, Administration & Security

  • 2001 - 2005
    Diploma in Computer Technology Bangladesh Technical Education Board (Bangladesh)

    Discrete Mathematics, Digital Electronics, Programming in C, C++, Assembly Language, Microprocessor and Microcomputer, Computer Architecture, Data Communication and Computer Network , Linux Operating System, Database Management System