Eng Thona
Available for infrastructure roles

Eng Thona

System & Infrastructure Administrator

I keep mission-critical systems running — designing, securing, and scaling enterprise virtualization, networks, and core banking infrastructure.

System and Infrastructure Administrator with 4+ years of hands-on experience managing enterprise virtualization, networking, and security environments. Strong expertise in VMware ESXi, Proxmox VE, firewalls, Active Directory, and Microsoft 365. Proven ability to support mission-critical systems, including Core Banking platforms, ensuring high availability and security.

4+
Years of experience
0
Unplanned downtime on data center relocation
24/7
Mission-critical uptime support
100%
Backup & DR coverage
01

Technical Skills

Virtualization & Platforms

  • VMware ESXi & vCenter
  • Proxmox VE
  • ESXi → Proxmox VE Migration

Networking & Security

  • VLAN Design & Configuration
  • VPN (Site-to-Site & Remote Access)
  • Routing & Switching
  • Firewall Configuration & Policy
  • Kaspersky Security Center

Systems & Applications

  • Active Directory & Group Policy
  • Microsoft 365 Administration
  • Core Banking System

Storage & Backup

  • QNAP NAS Administration
  • ZFS / ZFS3 Storage
  • NFS / SMB
  • Backup & Disaster Recovery Planning
02

Experience

Oct 2021 — Present

System & Infrastructure Administrator at Ly Hour Pay Pro PLC.

  • Administered and supported VMware ESXi and vCenter environments for production systems.
  • Migrated virtual machines from ESXi to Proxmox VE with minimal downtime.
  • Configured and maintained firewall policies, VLAN segmentation, and secure VPN access.
  • Managed endpoint security using Kaspersky Security Center.
  • Administered QNAP NAS and ZFS/ZFS3 storage (NFS/SMB).
  • Supported and maintained Core Banking systems ensuring availability and stability.
  • Implemented backup and disaster recovery strategies for critical systems.
  • VMware
  • Proxmox VE
  • Firewall
  • Core Banking
  • ZFS
03

Credentials

Education

Bachelor of Computer Science

Build Bright University (BBU)

Jul 2020 — Jul 2024

Certifications

VMware vSphere: Install, Configure, Manage

Sunrise Institute of Technology

May 2023

Achievements

  • Led data center relocation with zero unplanned downtime.
  • Improved network performance through VLAN redesign and firewall optimization.
  • Increased server uptime through proactive monitoring and structured backup planning.
  • Recognized for fast issue resolution and strong teamwork.
04

Get in Touch

Looking for a reliable administrator to keep your infrastructure secure and highly available? I'm open to new opportunities and collaborations.

Designed & built by Eng Thona · 2026