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sushenjayasuriya/README.md

Hi, I'm Sushen 👋

Network & Systems Engineer running a 3-node enterprise home data center with 99.2% uptime and <15min RTO.

🔗 Live Lab Tour: https://sushenjayasuriya.org.lk/lab
📄 CV: https://sushenjayasuriya.org.lk/cv
💼 LinkedIn: https://linkedin.com/in/sushen-jayasuriya-297b74237

Infrastructure

  • Virtualization: Dell PowerEdge R320/R310/R210 II — Proxmox VE + Proxmox Backup Server
  • Network: pfSense on R210 II — VLAN 10/20/99, WireGuard VPN, Suricata IDS, HAProxy for 30+ devices
  • Enterprise: IBM Power 550 — AIX LPARs + VIOS, IBM SAN, LTO Tape Library
  • Monitoring: Grafana + Prometheus + Zabbix + Uptime Kuma

Metrics — Last 90 Days

  • Uptime: 99.2%
  • RTO: <15min — tested quarterly with LTO tape restore
  • Backup: 7/4/3 retention on PBS + air-gapped LTO
  • Scale: 12+ VMs/LXCs, 30+ firewalled devices

Pinned Repositories

👇 Check homelab for network diagrams, Proxmox configs, and DR procedures.

Building towards SRE/Platform Engineering. Open to Network Engineer roles in Colombo/Remote.

Pinned Loading

  1. CodeSix-SGEMS/sgems-platform CodeSix-SGEMS/sgems-platform Public

    JavaScript

  2. homelab homelab Public

    8.7/10 Enterprise Home Lab — Proxmox VE, pfSense, IBM Power 550, 99.2% uptime, <15min RTO

  3. sushenjayasuriya sushenjayasuriya Public

    Config files for my GitHub profile.

    HTML