Systems & Network Specialist

Alessandro Peixoto

Systems and network practitioner focused on high-availability clustering, automated containers, deployment pipelines, and proactive infrastructure defense.

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Technical Architecture

Core technologies and competencies built through bare-metal deployments and system administration.

Advanced Networking

  • VLAN Segmentation & Trunking
  • WireGuard & Tailscale Mesh Networks
  • Network Analysis (Wireshark & Nmap)
  • Subnet Optimization & Routing

Systems & Clustering

  • Docker Swarm Orchestration
  • Distributed Storage Systems (Ceph & SMB)
  • Enterprise Linux (Ubuntu Server)
  • Active Directory Operations

Application Delivery

  • Reverse Proxies & Edge Security (Nginx)
  • Database Systems (PostgreSQL, Redis)
  • Frontend Development (HTML5, CSS3, JS)
  • Centralized Access Control & Secrets

Core Infrastructure Projects

Active Deployments
Docker Swarm Ceph Storage Tailscale Mesh Ubuntu Linux

Hyper-Converged Production Homelab

Architected and maintain an enterprise-grade multi-node infrastructure orchestrating over 10 active stacks and 20+ isolated containerized services with continuous up-time.

Distributed Orchestration: 6-node computing cluster utilizing Docker Swarm to manage scaling, networks, and automatic task recovery.

Resilient Storage: Integrated Ceph-backed storage distributed across nodes utilizing kernel-level SMB/CIFS mount profiles.

Overlay Network Mesh: Configured 15+ completely isolated internal Docker overlay networks routed securely across physical boundaries via a Tailscale virtual matrix.

Edge Routing: Implemented Nginx reverse proxy architecture for seamless global SSL/TLS ingress termination, database load-balancing, and container security.

Provisioned Services Stack

Jellyfin Vaultwarden PostgreSQL Redis Immich Gitea Nextcloud Portainer