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Mitun Chandra
Nath

Assistant General Manager, IT Department

Enterprise Infrastructure · Cybersecurity · System Administration

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Dhaka, Bangladesh 12+ Years Experience +8801718421747
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Career
Summary

Professional
12+ Years in IT

Experienced IT professional with a strong foundation in enterprise infrastructure, cybersecurity, and system administration. As Assistant General Manager, IT Department, I bring over a decade of expertise in network security, IT operations, and project management.

Skilled in optimizing IT processes, implementing security measures, and driving technological innovation to enhance business continuity and efficiency. My expertise spans across Next-Generation Firewall management, virtualization, cloud services, endpoint security, and enterprise-level infrastructure design.

0
Years Exp.
0
Certifications
0
Major Projects
0
Trainings

Management Skills

Self Dependent Negotiation Critical Thinking Team Leadership Stakeholder Collaboration IT Budgeting Strategic Planning

Languages

🇧🇩 Bangla Native
🇬🇧 English Professional
Career Path

Professional Experience

Jan 2025 – Present

Assistant General Manager

IT Department — ABA Group

Sena Kalyan Commercial Complex, Tongi, Gazipur

  • â–¸Microsoft Cloud & IT Infrastructure Administration using Dynamics 365, Power BI, Teams, Office 365
  • â–¸Technical Oversight: firewalls, networking, security, software implementation, backups & budget planning
  • â–¸Network & Systems Administration: LAN, Mikrotik/Cisco routers, VPNs, Linux servers
  • â–¸FortiGate Firewall, FortiAnalyzer, FortiAP for network security & traffic monitoring
  • â–¸Zimbra Mail Server & Barracuda Email Security Gateway management
  • â–¸Endpoint Security: Active Directory, Sophos & Trend Micro, cyber threat analysis
  • â–¸VMware ESXi & Hyper-V environments, data backup & recovery
  • â–¸Stakeholder coordination, team collaboration, IT infrastructure strategy
2021 – 2024

Manager

IT Department — ABA Group

  • â–¸Server Configuration & Maintenance: FTP, web (Apache/Nginx), mail (Postfix/Dovecot) on RHEL & CentOS
  • â–¸Active Directory operations in Windows Server environments
  • â–¸Network Administration: LAN/WAN infrastructure, routers, switches, firewalls, bandwidth optimization
  • â–¸Hardware & System Troubleshooting to minimize downtime
  • â–¸Quality Management, compliance, and efficient issue resolution
2017 – 2020

Deputy Manager

IT Department — ABA Group

Advanced IT operations management, enterprise network oversight, security implementation, and team coordination for IT infrastructure improvements.

Apr 2013 – 2016

Assistant Manager

IT Department — ABA Group

IT operations support, network maintenance, system administration, and progressive growth into enterprise-level security management.

2011 – 2013

IT Officer

Telemedicine Reference Center Ltd. (TRCL)

Banani, Dhaka

  • â–¸Network Setup: dial-up and PPPoE connections for stable internet access
  • â–¸Email Administration: Eudora, Outlook Express, MS Outlook, webmail
  • â–¸Hardware Support: computer, printer, network device diagnosis & maintenance
  • â–¸LAN Management: infrastructure design for connectivity, data sharing, printer access
2011

Technical Executive

Bijoy Online Ltd.

Gulshan-1, Dhaka

Technical support, network configuration, and hardware troubleshooting in a fast-paced ISP environment.

Expertise

Technical Skills

Network Security

FortiGate NGFW95%
VPN Configuration90%
Endpoint Security92%
Email Security88%

Infrastructure & Servers

Linux (RHEL/CentOS)93%
Windows Server / AD94%
VMware / Hyper-V88%
Mikrotik / Cisco90%

Cloud & Microsoft 365

Dynamics 36585%
Power BI80%
Teams / Office 36592%
Microsoft Copilot / AI75%

DR & Operations

Backup & Disaster Recovery90%
Incident Response88%
VAPT & Threat Analysis82%
IT Service Management87%
Portfolio

Major Projects

Enterprise-scale implementations driving security, resilience, and operational excellence.

K8s Container Security

Kubernetes container security research and implementation report for enterprise workloads.

Container Security

Centralized Auth Services

Enterprise centralized authentication & authorization using Windows Server Primary & Additional Domain Controller roles.

Active Directory

Data Resilience Infrastructure

Enterprise data resilience implementation using a secure and automated backup infrastructure.

Backup & DR

Enterprise Email Security

Zimbra Mail System with Barracuda Email Security Gateway for spam prevention and access control.

Email Security

Endpoint Security (Trend Micro)

Enterprise endpoint security implementation using Trend Micro Apex One & Cloud One solutions.

Endpoint Protection

Infrastructure Virtualization

Enterprise infrastructure virtualization implementation using VMware ESXi for resource optimization.

Virtualization

Site-to-Site VPN Connectivity

Headquarter to branch secure connectivity using Site-to-Site VPN for enterprise network access.

VPN / WAN

NGFW Security Implementation

Enterprise network security using FortiGate Next-Generation Firewalls for enhanced cybersecurity posture.

FortiGate NGFW

Vulnerability Assessment & Mitigation

Enterprise risk management using comprehensive VAPT strategies for proactive threat mitigation.

VAPT

Token-Based WiFi System

Enterprise secure network access management using token-based WiFi system deployment.

NAC

Access Control & Time Attendance

Enterprise workforce security implementation using access control and time attendance system.

Physical Security
Credentials

Certifications & Training

Professional Certifications

Certified FCP – FortiGate 7.4 Administrator

Fortinet

Fortinet Certified Associate in Cybersecurity

Fortinet

Certified Network Associate (CCNA)

Cisco

Fortinet NSE 1 & 2 Certificate

Fortinet

Red Hat Certified System Administrator (RHCSA)

RHEL 6

Red Hat Certified Engineer (RHCE)

RHEL 6

Red Hat Certificate of Expertise in Server Hardening

RHEL 6

CC Certified in Cybersecurity (CC)

ISC²

Training & Workshops

AI-Powered Secure Productivity with Microsoft 365 & Copilot
Pioneering Business Excellence with Microsoft Copilot
Reinventing Business Processes with Microsoft Business Applications
Cybersecurity Symposium
Bangladesh System Admin Day 2023
Cybersecurity Preparation & Implementation Strategy for IT Admins
Future of AI Event
VAPT & Privileged Access Management Workshop
Symantec Cyber Integrated Defense Workshop
Information Security & Penetration Testing Session
CCNA – IBCS-PRIMAX Software (Bangladesh) Ltd.
Red Hat System Administrator & Engineering – IBCS-PRIMAX
Mikrotik Router Basic Configuration – A.K.M. Jahangir
Managing Enterprise Mail – M.M. Rahman Munna (VCP5, RHCE, CCNA, MCITP, MCSE)
Academics

Education

B.Sc.

Computer Science & Engineering

State University of Bangladesh, Dhaka

Completed 2011

PIT

Professional Diploma in IT

NIIT, Beximco Systems Ltd., Dhaka

Completed 2007

Professional Memberships

IEEE

Institute of Electrical and Electronics Engineers

BCS

Bangladesh Computer Society

Connect

Get in Touch

Interested in collaboration or have an opportunity? Let's connect.

Email

mithunonline1@gmail.com

Phone

+880 1718-421747

LinkedIn

Mitun Chandra Nath

Location

Mohanagar Project, Rampura, Dhaka-1219

References

Zia Hasan

Senior General Manager, IT

ABA Group, Tongi, Gazipur

+88-01819280240 zia@abagroupbd.com

Raskin Paul

Head of Security Planning, Incident & Threat Management

Grameenphone Ltd.

+8801711091495 ras.paul@grameenphone.com
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