cv.dotuananh.me

Open to full-time opportunities

SYSTEMS THINKING. HANDS-ON ENGINEERING.

Do Tuan Anh.

System Administration / DevOps / Infrastructure

Management Information Systems student who enjoys building reliable Linux infrastructure, shipping containerized services and turning complex operations into simple, repeatable workflows.

Let’s talk on Zalo ↗ Explore 3D CV ↗

DevOps & System Consulting · Vietnam

Emailtuananhdeptrainhat2004@gmail.com GitHubTroLyAmazon LinkedIndtank42 Websitestacloud.dev
01

Experience

BKNS — Bach Kim Network Solutions JSC ↗

Level 3 Technical Support Engineer

Full-time · Vietnam

  • Provide Level 3 technical support for domain names, DNS records, SSL and related service configurations.
  • Investigate and clean malware-infected WordPress websites, identify compromised files and support website recovery.
  • Perform data and website backup restoration; monitor Linux servers, hosting services and system resources.
  • Troubleshoot escalated issues across web hosting, business email, Cloud VPS and server services.
  • Diagnose service, network and configuration problems and coordinate complex cases with relevant teams.
  • Support hosting control panels and common web stacks, including cPanel, DirectAdmin, Plesk, CloudLinux and LiteSpeed.
LinuxWordPress MalwareBackup & RestoreMonitoringDomainsDNSWeb HostingEmailSSLCloud VPSVMware ESXiProxmox VEKVMOPNsensepfSensecPanelDirectAdminPleskCloudLinuxLiteSpeedTechnical Support L3

STA CLOUD DEV

Founder & Infrastructure Operator

Startup · Khởi nghiệp

  • Developed and operated STACloud Custom V7.1, a game-server management and billing platform for client and admin workflows.
  • Maintained the Laravel 13/PHP 8.4 backend, MySQL/MariaDB data layer and Redis queues, sessions and cache.
  • Built React/TypeScript interfaces for server console, analytics, file management, storefront, resource allocation, renewals, tickets and account activity.
  • Operated Pterodactyl Wings and Docker game servers, then deployed the production stack with Nginx, PHP-FPM, workers and scheduled jobs.
PHP 8.4Laravel 13ReactTypeScriptTailwind CSSWebpack 5MySQLRedisPterodactyl WingsDocker

VIETNODES

Administrator

Freelance · Part-time

  • Supported hosting and VPS operations for clients.
  • Deployed and configured Linux servers and monitored system resources.
  • Troubleshot cloud infrastructure and hosting service issues.
LinuxAzureOracle CloudVPS

TACP VN NETWORK

Administrator

Community Project · Part-time

  • Supported server infrastructure management and hosting setup.
  • Administered Linux servers and maintained service stability.
  • Resolved networking issues and supported service deployments.
LinuxNetworkingServer Deployment
02

Selected projects

ST

GitHub pinned · Browser extension

studocu-hack-remake ↗

Chrome extension for Studocu document viewing and export, with updated page selectors and a floating download control.

JavaScriptChrome ExtensionDOM
JX

Open source contribution

Jexactyl Contributions ↗

Restored API response contracts and removed an infinite-recursion defect; hardened IDOR, PayPal and coupon workflows; remediated vulnerable dependencies and improved responsive layouts. Validated with 86 unit tests and 293 integration tests.

PHPLaravelTypeScriptREST APISecurityCI/CDDocker
PM

GitHub pinned · Server monitoring

PteroMon ↗

VPS monitoring dashboard built with Flask, JavaScript and Chart.js. Tracks CPU, RAM, disk and swap, visualizes resource history and pauses updates when the tab is hidden.

PythonFlaskJavaScriptChart.jsMonitoring
CP

Open source contribution

Caelestia Pro Contribution ↗

Hardened Ubuntu and Arch installers with immutable asset pins, SHA-256 verification and private temporary workspaces; eliminated known extension dependency vulnerabilities and added reproducible security checks.

Shell ScriptTypeScriptSupply Chain SecuritySHA-256npmLinux
EG

GitHub pinned · Deployment templates

STA-Egg-Pterodactyl ↗

Importable PTDL_v2 templates for Pterodactyl: application runtimes, PHP hosting, Minecraft, proxies, voice servers and AI services, with configurable installation and startup workflows.

PterodactylDockerJSONServer Deployment
SH

GitHub pinned · Minecraft protection proxy

STAShield ↗

Java TCP proxy for Minecraft with handshake handling, status passthrough, per-IP rate limits, burst protection, basic bot scoring, access lists and connection metrics. Includes Docker and Pterodactyl deployment support.

JavaTCP ProxyRate LimitingDockerPterodactyl
ED

Research · Graduation thesis

Linked Digital Signatures

Designed and implemented a multi-layer linked digital signature model for digital documents using Ed25519, with performance and security analysis.

Ed25519CryptographyDocument Security