rothana.sys

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Available for IT infrastructure roles

Hi, I'm Chhorn Rothana

IT Support Engineer

I specialize in IT infrastructure, Linux administration, virtualization, networking, cloud technologies, and technical support. I enjoy building reliable systems, solving technical problems, and continuously learning modern infrastructure technologies.

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2+Years Experience

6Projects Shipped

15+Technologies

rothana@infra-lab:~

➜ ~ whoami
chhorn_rothana — it support & sysadmin
➜ ~ uptime -p
up 2 years, in production
➜ ~ systemctl status infrastructure.service
● active (running) — vmware, linux, aws, networking
➜ ~ 

SCROLL

NameChhorn Rothana

LocationPhnom Penh, Cambodia

EducationBA. MIS, SETEC Institute

Experience2+ Years in IT Support

StatusOpen to work

About Me

Keeping systems running, quietly and reliably.

I'm an IT Support Engineer and System Administrator based in Phnom Penh, Cambodia, currently completing my Bachelor of Management Information Systems at SETEC Institute. Over the past two years I've supported end users, maintained infrastructure, and kept networks and servers running smoothly for small and growing organizations.

My day-to-day work spans Windows and Linux administration, VMware virtualization, network setup and troubleshooting, and hands-on hardware maintenance. I've configured UniFi and MikroTik networking gear, installed and maintained CCTV systems, managed WordPress sites, and provided technical support that people can actually rely on.

Lately I've been expanding into cloud infrastructure with AWS, deepening my Linux administration skills, and exploring infrastructure automation — always with the goal of building systems that are stable, secure, and easy to maintain.

Skills

A toolbox built for infrastructure

From bare-metal to the cloud — the platforms, protocols and tools I use to keep systems dependable.

Operating Systems

Windows90%

Ubuntu Server85%

Linux80%

Virtualization

VMware ESXi85%

VMware vCenter80%

VirtualBox88%

Networking

TCP/IP & VLAN85%

VPN / DNS / DHCP82%

UniFi & MikroTik88%

Cloud

AWS EC270%

Nginx & SSL78%

Git75%

Programming

HTML / CSS / JS75%

PHP / MySQL68%

Bootstrap72%

Tools

GitHub & VS Code80%

Docker65%

Composer / phpMyAdmin74%

Experience

Where I've kept the lights on

Two roles, one focus: making sure people and infrastructure never have to think about IT going wrong.

IT Support

Kadawin Development Co., Ltd. — Current

End User Support
Computer Maintenance
UPS Installation
CCTV Installation
Network Troubleshooting
WordPress Content Management
Software Installation
Hardware Repair

IT Technical Support

LYLY Computer Shop

Computer Assembly
Windows Installation
Printer Configuration
Customer Technical Support
Backup Solutions

Featured Projects

Infrastructure I've built and broken (on purpose)

Home-lab builds, network deployments, and self-hosted tools that reflect how I actually work.

VMware Home Lab

A self-hosted virtualization lab for testing server builds, networking configs, and OS deployments before they touch production.

VMware ESXivCenterWindows ServerUbuntu Server

GitHub Live Demo

UniFi Site-to-Site VPN

Secure tunnel connecting two office sites, built and hardened on UniFi USG hardware with redundant failover.

IPSec VPNOpenVPNUniFi USG

GitHub Live Demo

Asset Management System

Self-hosted Snipe-IT deployment for tracking hardware, licenses, and assignments across the organization.

Snipe-ITUbuntuNginxMariaDB

GitHub Live Demo

phpIPAM Server

Centralized IP address management server to track subnets, allocations, and reduce address conflicts across the network.

IPAMPHPMySQL

GitHub Live Demo

AWS Static Website Hosting

Production-ready static site hosting on an EC2 instance behind Nginx, secured with a free SSL certificate.

Ubuntu ServerNginxSSLEC2

GitHub Live Demo

Personal Portfolio Website

This site — a responsive, infrastructure-themed portfolio built to showcase my skills, experience, and projects.

HTML5CSS3JavaScript

GitHub Live Demo

Certifications

Currently in progress

Actively studying toward the following — this section will grow as certificates are earned.

VMware

In Progress

AWS Cloud

In Progress

Docker

In Progress

Linux Administration

In Progress

Network Security

In Progress

Future certifications will appear here

Bachelor of Management Information Systems

SETEC Institute · Phnom Penh, Cambodia

Expected Graduation — 2027

Projects Completed

Years Experience

Technologies Learned

Hours of Lab Practice

Testimonials

What colleagues say

Placeholder quotes — ready to be swapped for real feedback from managers and coworkers.

Rothana is the person we call first when something breaks. Calm under pressure and always thorough with the fix.

Supervisor NameKadawin Development Co., Ltd.

Reliable, patient with end users, and genuinely curious about how systems work under the hood.

Colleague NameIT Department

Set up our network from scratch and documented everything clearly. Made handover painless.

Manager NameLYLY Computer Shop

Blog

Notes from the lab

Write-ups on Linux, VMware, networking and cloud — documenting what I learn as I build.

Linux

Ten commands every new Linux admin should know cold

A practical shortlist of commands I reach for every day, from systemctl to journalctl.

Coming soon5 min read

VMware

Building a home lab on VMware ESXi from scratch

Hardware notes, network design, and lessons learned setting up my first ESXi host.

Coming soon8 min read

Networking

VLANs explained the way I wish someone had explained them to me

A plain-language walkthrough of VLAN segmentation for small office networks.

Coming soon6 min read

UniFi

Configuring UniFi site-to-site VPN, step by step

How I connected two offices securely using UniFi USG hardware.

Coming soon7 min read

AWS

My AWS learning journey: EC2, Nginx and SSL

Notes from hosting my first static site on AWS with a proper SSL setup.

Coming soon6 min read

Networking

MikroTik basics for UniFi-trained network admins

Where MikroTik's RouterOS overlaps with — and differs from — UniFi's controller.

Coming soon5 min read

Contact

Let's fix something together

Open to IT support, system administration, and infrastructure roles. Reach out any way that's convenient.

rothana.chhorn@example.com

Phone

+855 XX XXX XXX

GitHub

github.com/rothana-chhorn

linkedin.com/in/rothana-chhorn

YouTube

youtube.com/@rothana-chhorn