I'm a Field Network Technician at Astreya, supporting AWS infrastructure in Dublin, Ireland. Originally from Brazil, I'm passionate about automation, infrastructure, and building practical solutions that improve team efficiency.
const leo = {
location: "Dublin, Ireland 🇮🇪",
role: "Data Center Technician @ Astreya",
currentlyWorking: ["AWS Infrastructure", "Fiber Optics", "Server Commissioning"],
learning: ["CCNA", "AWS Certifications", "Network Automation"],
interests: ["Infrastructure Automation", "AI-Assisted Development", "Process Optimization"],
recentProjects: ["LEO Alert System - Slack custody automation tool"]
};- 🔧 Infrastructure Support: AWS, Meta, and Google data centers across Europe
- 🌐 Networking: Fiber optics troubleshooting, VLAN configuration, subnetting
- ⚡ Automation: Built Tampermonkey scripts and Slack workflows to streamline security processes
- 🛠️ Tools: Python automation, Bash scripting, monitoring systems
A production-ready automation system for AWS data center security workflows:
Problem: Security guards missing critical custody notifications in Slack
Solution: Browser-based alert system with Slack Workflow integration
Tech Stack: JavaScript (Tampermonkey), Web Audio API, Slack Workflows, MutationObserver
Impact: Zero missed alerts, automatic logging, improved response times
📋 View Technical Details
- 🔊 Multi-tone audio alerts with Web Audio API
- 🟠 Visual screen flash notifications
- 🚨 Popup alerts with customizable messaging
- 📋 Automatic logging via Slack Workflows
- 📧 Email backup notifications
- ⚡ Real-time message detection with MutationObserver
Custody Message → LEO Script → Audio + Visual Alerts
↓
Security Confirms (✅)
↓
Slack Workflow → Log + Email
- 🌐 CCNA: Router-on-a-stick, VLAN segmentation, subnetting
- ☁️ AWS: Lambda, EC2, networking fundamentals
- 🤖 Automation: Python scripting, API integrations
- 💻 Development: FastAPI, modern web development practices
Technical Skills:
- Infrastructure: Data center operations, server commissioning, SSD hot-swaps
- Networking: Fiber optics, VLAN configuration, Layer 2/3 troubleshooting
- Automation: JavaScript (Tampermonkey), Python, Bash scripting
- Monitoring: Prometheus, Grafana, custom alert systems
Soft Skills:
- Problem-solving with practical, ROI-focused solutions
- AI-assisted development workflow (Claude, GitHub Copilot)
- Cross-team collaboration and process improvement
- Technical documentation and knowledge sharing"I focus on building practical solutions that solve real problems. Every project should have clear value and measurable impact."
I prefer hands-on learning over traditional academics, and I believe the best way to learn is by building real solutions to real problems.
I'm always interested in discussing:
- 🔧 Infrastructure automation opportunities
- 🌐 Networking and data center operations
- 🤖 AI-assisted development workflows
- 💼 Career opportunities in IT infrastructure
Email: bagnoleonardo@gmail.com