CCNA
Azure AD
FortiGate
ISO 27001
VMware
M365
NSE-2
Available for opportunities

Kazi Aftabul
Islam

|

System Administrator with 7+ years securing and scaling IT infrastructure across cloud and on-prem environments. CCNA certified. ISO 27001 compliant.

7+Years Exp.
36+Offices
5+Certs
kai@ding:~
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Building Resilient IT Ecosystems

At Ding, I manage global IT infrastructure ensuring high availability and robust security protocols for cloud and on-prem systems. My Master of Engineering in Information System Security gives me a deep foundation in network defense, complemented by hands-on expertise in enterprise tools.

I specialize in automating administrative tasks, integrating cutting-edge technologies, and creating scalable IT environments that align with ISO 27001, GDPR, PCI, HIPAA, and SOC II standards.

Office 365 Admin Azure AD IT Strategy Cybersecurity Infrastructure Architect
LocationDhaka, Bangladesh
Current RoleSystem Administrator @ Ding
Work ModeHybrid
EducationMEng, BSc CSE
AvailabilityOpen to offers

Career Timeline

System Administrator

Ding
Full-time Dec 2024 – Present · Dhaka (Hybrid)
  • 24x7 global IT support with SLA-driven ticket resolution
  • Managed Active Directory, Azure AD, and Microsoft 365 environments
  • Administered Intune MDM, Windows/Mac endpoints, Slack, Zoom, Jira, Confluence
  • Ensured compliance with ISO 27001, GDPR, PCI, HIPAA, SOC II
  • Maintained Symantec Endpoint Protection and automated sysadmin tasks
Azure ADMicrosoft 365Intune MDMISO 27001Symantec

Senior System Engineer

Summit Communications Ltd
Full-time Jul 2022 – Nov 2024 · On-site
  • Deployed FortiGate firewalls enhancing network security across 36 office locations
  • Administered VMware ESXi, RAID, and Active Directory for virtualization
  • Rolled out Issabel IP Telephony system, reducing communication costs
  • Deployed Central CCTV Monitoring Cell for real-time centralized surveillance
  • Built network monitoring using Nagios, Zabbix, and Cacti
FortiGateVMware ESXiNagiosZabbixCacti

IT Executive → Senior IT Executive

Summit Communications Ltd / E-Zone HRM Ltd
Full-time Nov 2020 – Jun 2022
  • Installed LAN, Wi-Fi, IP CCTV, and Access Control systems for office environments
  • Managed network monitoring tools: Cacti, Zabbix, Nagios
  • Designed IT infrastructure for new office setups in varied environments
LAN/WANCCTVAccess ControlNetwork Monitoring

Junior IT Executive → IT Executive

Summit Communications Ltd
Full-time Oct 2018 – Oct 2020
  • Configured Cisco switches, Mikrotik routers, and Fortinet firewalls
  • Managed VPN servers, print servers, and antivirus infrastructure
  • Handled OS installation, software deployment, and ticket-based user support
CiscoMikrotikFortinetVPN

Intern

Summit Communications Ltd
Internship Jan 2018 – Sep 2018
  • Successfully completed 9-month internship in IT & network support
Network SupportInternet Services

Technical Arsenal

Cloud & Microsoft

Microsoft 365Azure ADIntune MDMExchange OnlineSharePointTeams
🔒

Security

ISO 27001GDPRHIPAASOC IIPCISymantecIDS/IPS
🌐

Networking

Cisco (CCNA)FortiGateMikrotikVPNLAN/WANWi-Fi
📊

Monitoring

NagiosZabbixCacti
🖥

Systems & Virtualization

Windows ServerActive DirectoryVMware ESXiRAIDLinux
🔧

Collaboration & ITSM

JiraConfluenceSlackZoomTicketing Systems

Credentials & Standards

🏅

CCNA

Cisco Certified Network Associate

Networking
🛡

NSE-1 & NSE-2

Fortinet Network Security Expert

Security
📋

ISO 27001

Information Security Management

Compliance

HIPAA & GDPR

Data Privacy & Healthcare Compliance

Compliance
💳

PCI & SOC II

Payment & Service Organization Controls

Compliance

Academic Background

2020 – 2021

Master of Engineering

MSc in Information System Security
Bangladesh University of Professionals (BUP)
2015 – 2018

Bachelor of Science

BSc in Computer Science & Engineering
Daffodil International University (DIU)
GPA: 3.77 / 4.00

Let's Connect

Open to exciting opportunities, collaborations, and conversations about IT infrastructure and cybersecurity.