Ehmad

Self-Hosted Infrastructure Administrator

Freelancing Career • Indépendant

Aug 2021 - Present • 4 yrs 9 mos

Architected and maintain 24/7 production-grade homelab infrastructure serving 20+ devices with 99.9% uptime. Implemented Zero Trust security architecture using Cloudflare Access with policy-based authentication and traffic filtering. Deployed network-wide security layer using Pi-hole DNS filtering with custom blocklists, reducing malicious traffic by 40%. Built comprehensive monitoring stack with Grafana for real-time performance metrics, log aggregation, and security event tracking. Established disaster recovery strategy with automated daily S3 backups and quarterly offline snapshots, ensuring zero data loss. Automated infrastructure deployment using Docker containerization and CI/CD pipelines, reducing manual configuration by 90%. Skills: Infrastructure Security, Zero Trust Architecture, Cloud Networking, DevOps, Docker, Kubernetes, Linux, DNS Management, Network Segmentation, Access Control, Monitoring, Automation Industry: Computer & Network Security