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Achievements

Achievement: StarstruckAchievement: Pair Extraordinairex2Achievement: Pull Sharkx3Achievement: QuickdrawAchievement: YOLO

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@opendefender

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alex-dembele/README.md

Hello, I'm Alex DEMBELE.

Typing SVG

🌍 Based in Douala, Cameroon | 🎯 DevOps Engineer focused on cloud automation, scalable platforms, and secure delivery

Portfolio GitHub GitHub Pro LinkedIn

📧 alexandredembele16@gmail.com

🚀 About Me

name: Alexandre DEMBELE
role: DevOps Engineer
specialization: [Cloud Infrastructure, CI/CD, Kubernetes, Automation, Cybersecurity]
current_position: DevOps Engineer @ Liongate Sarl
location: Douala, Cameroon
seeking: International opportunities

DevOps Engineer and Cloud Infrastructure Specialist with a strong background in automating deployments, improving system reliability, and building secure cloud-native environments. I help businesses move from manual operations to scalable, resilient, and production-ready platforms.

🎯 What I do:

  • Build and optimize CI/CD pipelines for faster, safer software delivery
  • Automate cloud infrastructure provisioning with Terraform, Helm, and GitOps workflows
  • Deploy and manage scalable applications on Kubernetes and Docker
  • Improve system observability, reliability, and performance in production environments
  • Strengthen infrastructure security through IAM, environment hardening, and best practices
  • Support engineering teams with developer-friendly workflows, automation, and deployment efficiency

💼 Professional Experience

🏢 DevOps Engineer @ Liongate Sarl (August 2026 - Present)

Core Responsibilities:

  • 🔄 Design, implement, and maintain CI/CD pipelines to accelerate software delivery and reduce deployment risks
  • ☸️ Deploy and manage containerized applications in Kubernetes and Docker-based environments
  • ⚙️ Automate infrastructure provisioning, configuration, and environment consistency with Terraform and IaC best practices
  • 📊 Monitor application health, system performance, and infrastructure metrics with observability tools
  • 🔐 Improve security posture by enforcing IAM policies, deployment hardening, and infrastructure best practices
  • 💡 Collaborate with teams to streamline release workflows, reduce manual operations, and improve platform reliability
  • 🚀 Support cloud optimization and high-availability architecture for business-critical services

Technologies: AWS, Kubernetes, Docker, Terraform, Helm, GitHub Actions, CI/CD, Monitoring, Infrastructure as Code, Automation, Cloud Operations

🏢 System Administrator @ NEXAH SARL (April 2023 - July 2026)

Key Achievements:

  • 🔄 Successfully migrated AWS architecture to Kubernetes using EKS, Terraform, Helm, and ArgoCD
  • ⚡ Reduced deployment times by 40% through GitHub Actions CI/CD automation
  • 💰 Cut cloud costs by 15% via Docker & Kubernetes containerization
  • 🛡️ Enhanced security posture with IAM policies, IPSec VPN, and comprehensive monitoring
  • 📊 Implemented observability with Prometheus monitoring stack.

Technologies: AWS (EC2, S3, IAM, VPC, RDS), Kubernetes, Docker, Terraform, Helm, ArgoCD, GitHub Actions

💻 Previous Roles (2020 - 2022)

IT Intern @ COMETAL SA (Nov 2021 - Jan 2022)

  • Administered Windows Server systems and managed backup strategies

Network Administrator Intern @ SAUNYA Cosmetics (Nov 2020 - Oct 2021)

  • Deployed private OpenStack cloud infrastructure
  • Configured pfSense captive portal and datacenter with Proxmox cluster

🛠️ Technical Arsenal

☁️ Cloud & Infrastructure

AWS Azure Google Cloud Kubernetes Docker OpenStack

⚙️ DevOps & Automation

Terraform Helm ArgoCD GitHub Actions Bash

🔐 Security & Networking

Cisco pfSense Fortinet Wazuh

📊 Monitoring & Databases

Prometheus Grafana MySQL

🏆 Professional Certifications and Badges

☁️ Cloud Certifications

  • 🥇 Google Cloud Associate Cloud Engineer (2025-2028)
  • 🔧 Build Infrastructure with Terraform (Google Cloud)
  • 🔒 Secure Google Cloud Network (Google Cloud)
  • 🛡️ Cloud Security Fundamentals (Google Cloud)
  • ⚙️ App Dev Environment Setup (Google Cloud)

🔐 Security Certifications

  • 🎯 Certified Ethical Hacker (Cisco Networking Academy)
  • 📜 ISO/IEC 27001 Security Associate (SkillFront)
  • 🛡️ Fortinet Certified Associate (Valid until 2027)
  • 🔍 Cyber Threat Management (Cisco)
  • 🛑 Endpoint Security (Cisco)
  • 🥷 CrowdSec Driven Cybersecurity (CrowdSec)

⚙️ DevOps & Automation

  • ☸️ Kubernetes LFS158 (Linux Foundation)
  • 🔄 Scrum Fundamentals (CASF) (SkillFront)

🌐 Networking

  • 🔧 Network Technician Career Path (Cisco)
  • 🛡️ Network Defense (Cisco)
  • 🔍 Network Support & Security (Cisco)

🚀 Featured Projects

Project Description Tech Stack Link
🏠 Multi-Cloud Kubernetes Homelab Deployed hybrid cluster across AWS EKS + Azure AKS + GCP GKE Terraform Helm Kubernetes View →
🔒 OpenRisk Unified Risk & Threat Intelligence Management Platform Python Kubernetes Javascript OpenRMF OpenCTI TheHive Live Demo →
⚡ CI/CD Pipeline Automation Automated deployment pipeline with ArgoCD integration GitHub Actions ArgoCD Docker View →
🎯 Portfolio Website Personal portfolio showcasing projects and skills Next.js Vercel React Live Demo →

📊 GitHub Analytics

GitHub Streak

🏆 GitHub Trophies

GitHub Trophies

🌍 Languages & Interests

🗣️ Languages:
🇫🇷 French | 🇬🇧 English

🎯 Interests:
💻 Emerging Technologies | 🎮 Gaming | 🎬 Cinema | 🌐 Cloud Trends | 🔐 Cybersecurity Research.

📈 Contribution Graph

Contribution Graph

🤝 Let's Connect!

I’m always open to collaborations, cloud engineering challenges, and opportunities to build secure, scalable, and high-impact digital systems.

Email Schedule Call Portfolio

Profile Views

✨ "Building secure, automated, and scalable infrastructures—one deployment at a time." ✨

Pinned Loading

  1. opendefender/OpenRisk opendefender/OpenRisk Public

    Unified Risk & Threat Intelligence Management Platform

    Go 32 3

  2. ssl-certs-monitor ssl-certs-monitor Public

    Solution to monitor the status, expiration, and validity of SSL/TLS certificates.

    TypeScript 3 1

  3. secure-mail-server secure-mail-server Public

    A self-hosted email solution for Kubernetes, containerized with Docker and managed through a Flask web admin interface.

    Python 3

  4. asterisk-ip-platform asterisk-ip-platform Public

    Complete IP telephony solution based on asterisk

    Shell 2

  5. k8s-multi-cloud-deployment k8s-multi-cloud-deployment Public

    Multi-cloud (AWS, GCP, Azure) Kubernetes deployment configuration with environments (dev, staging, prod) using ArgoCD for GitOps, Prometheus for monitoring and Grafana.

    Shell 3 1

  6. attendance-record attendance-record Public

    Attendance-record is a comprehensive employee attendance management platform designed to automate tracking, generate reports, and provide a modern, responsive administration interface.

    TypeScript 1