About Me
I am an IT and System Administrator with strong hands-on experience in server administration, network infrastructure, virtualization, email security, and access control systems.
I specialize in building secure, scalable, and reliable IT environments using Windows Server, Linux, virtualization platforms, and enterprise networking tools. My work includes automating biometric attendance systems, optimizing databases, securing email gateways, and maintaining high-availability infrastructure.
I focus on practical engineering, automation, and long-term system stability — ensuring technology works smoothly, securely, and efficiently for organizations.
What Makes Me Proud
Professional Impact
Analyzing the numbers behind my success:
an in-depth look at the key metrics driving my goal and achievements.
50+
Servers & Systems Managed
20+
Network & Security Deployments
3y+
Hands-On IT Experience
What I Specialize In
Infrastructure & Servers
Server AdministrationWindows Server (AD, DNS, DHCP, GPO)
Linux (Ubuntu, CentOS, Fedora)
VMware ESXi & Virtualization
Storage, backup, and performance tuning
Networking & Security
Network & Security EngineeringEnterprise networking & firewall configuration
Secure remote access & VPN
Email security (Rspamd, Exchange, SMTP)
SSL/TLS, DKIM, SPF, DMARC
Automation & Systems
Automation & Access Control
ZkTeco / Hikvision biometric & access control systems
ADMS / EHome / ISAPI / SDK integrations
Attendance automation & real-time logging
SQL Server & PostgreSQL optimization
PowerShell & Bash automation