Open to full-time roles & collaborations

Samuel Cedilla Sánchez

Network Systems Administration  ·  IT Support  ·  Cybersecurity

Learning fast,
building faster.

Network Systems Administration student with a strong interest in systems, IT support and cybersecurity. I enjoy understanding how technologies work and solving problems through practical and efficient solutions.

This portfolio showcases my projects, learning experiences and progress within the technology field.

WindowsSystems
LinuxAdmin
NetworkingInfrastructure
IT SupportHelpdesk
CybersecurityLearning

Highlighted work.

001

a3eco Invoice PDF Builder

Script designed to automate the generation of PDF invoices from data exported from the a3eco system. Focuses on simplifying document creation and improving efficiency through automation.

AutomationPDFDataVBA
View on GitHub
002

ASIR Edge Security Auditor

Final degree project (TFC). A serverless web tool that performs Layer 4–7 infrastructure audits: HTTP security headers, DNS records (SPF, DMARC, MX), real-time SSL/TLS verification via Qualys, and IP geolocation — exporting a downloadable PDF report.

CybersecurityServerlessDNS & HTTPSSL/TLSTFC ASIR
View live demo
003

Typecode

A code typing practice tool built for developers. 15 languages, AI-generated snippets via OpenRouter, error heatmap, WPM and accuracy tracking, weekly progress charts, and a global leaderboard powered by Cloudflare Workers KV.

Typing TrainerDeveloper ToolsAI-PoweredReal-Time Metrics
View live demo
003

Discord Custom Rich Presence

A dual-language utility (Python/Node.js) that manages Discord Rich Presence states. It enables custom status messages, interactive call-to-action buttons, and real-time activity updates via local IPC integration.

Discord RPCAutomationPythonNode.js
View on GitHub
004

Coming Soon

Future lab projects related to Linux, networking, automation and infrastructure will appear here.

In Progress