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Lalatenduswain/README.md

Hi 👋, I'm Lalatendu Keshari Swain

वसुधैव कुटुम्बकम् · सर्वे भवन्तु सुखिनः 🕊️

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🧑‍💻 About Me

Senior DevSecOps Engineer and Cloud Security Administrator based in Bengaluru, India 🇮🇳 with 15+ years of IT infrastructure experience and 7+ years in AWS cloud security.

  • 🏠 Homelab: Proxmox + pfSense + Docker + Cloudflare Zero Trust
  • ✍️ Active blogger on blog.lalatendu.info and Medium
  • 🛡️ Specialise in Zero Trust Architecture, SIEM, ISO 27001 & AWS Security
  • 💬 Ask me about AWS · Docker · Cloudflare · Linux hardening · DevSecOps
  • 📧 Reach me at contacts.lalatendu.info

💼 Experience

Role Company Period
🔐 Senior DevSecOps Engineer Cerulean Information Technology Mar 2024 – Present
☁️ Senior AWS & DevOps Consultant Cerulean Information Technology Mar 2023 – Mar 2024
🖥️ Senior AWS Cloud System Administrator Cerulean Information Technology Jun 2019 – Mar 2023
🔧 System Administrator Papyrus LLC Jan 2017 – May 2019

🚀 Free Time | RnD Hobby Project | Currently Building

Project Stack
🧾 GST Filing Multi-Agent System Next.js · Node.js · Rust gRPC · Python LangGraph · PostgreSQL · Redis
🛡️ SOC Automation Platform Kubernetes · Python FastAPI · Claude AI · ClickHouse · Neo4j · Kafka
🚌 School Bus Tracking App Cloudflare Pub/Sub · Durable Objects · D1 · KV · Leaflet.js PWA

🛠️ Tech Stack

☁️ Cloud & Infrastructure

AWS Cloudflare Azure GCP Docker Kubernetes Proxmox Vagrant

🔒 Security & Networking

Wazuh pfSense Fortinet Tailscale Zero Trust

⚙️ DevOps & Automation

Ansible Terraform Jenkins Git Bash Nginx Linux

🗄️ Databases

PostgreSQL MySQL MariaDB MSSQL Redis

🏠 Homelab Stack

Proxmox VE (Bare Metal)
├── pfSense VM          → Firewall + VLAN segmentation
├── Docker Swarm        → Self-hosted services
│   ├── Wazuh SIEM      → Security monitoring + OpenSearch
│   ├── Cloudflare Tunnel → Zero Trust remote access
│   └── Meilisearch / RabbitMQ / Gitea
├── EVE-NG              → Network lab & topology testing
└── Tailscale Mesh VPN  → Secure inter-site connectivity (Bengaluru ↔ Cuttack)

📊 GitHub Stats

GitHub Trophies

Top Languages   GitHub Stats

GitHub Streak

🌐 Connect with Me

X  LinkedIn  Medium  Stack Overflow  YouTube  Instagram  Facebook

🔗 Links
🌍 Personal Blog lalatendu.info
📝 Tech Blog blog.lalatendu.info
✍️ Medium lalatenduswain.medium.com
📄 CV cv.lalatendu.info
📧 Contact contacts.lalatendu.info

☕ Support My Work

Buy Me a Coffee

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