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Alexa Amundson
292fa97a8e
RoadChain-SHA2048: 9f948f149bd9f508 RoadChain-Identity: alexa@sovereign RoadChain-Full: 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
73 lines
2.3 KiB
Markdown
73 lines
2.3 KiB
Markdown
# Alexa Amundson
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**Network Engineer**
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amundsonalexa@gmail.com | [github.com/blackboxprogramming](https://github.com/blackboxprogramming)
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---
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## Summary
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Network engineer operating a multi-layer network stack: WireGuard mesh VPN, Tailscale overlay (9 peers), RoadNet WiFi mesh (5 APs), 4 Cloudflare tunnels serving 48+ domains, DNS infrastructure (Pi-hole + PowerDNS + dnsmasq), and 48 Nginx reverse proxy sites across a 7-node fleet.
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---
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## Experience
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### BlackRoad OS | Founder & Network Lead | 2025–Present
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**VPN & Mesh Networking**
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- WireGuard mesh VPN (10.8.0.x subnet) with DigitalOcean hub routing to all edge nodes
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- Tailscale overlay network: 9 peers for management access across network boundaries
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- RoadNet WiFi mesh: 5 access points on non-overlapping channels (1, 6, 11)
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- Dedicated subnets: 10.10.{1-5}.0/24 per node with NAT through wlan0
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**DNS Infrastructure**
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- Pi-hole on Alice: fleet-wide ad blocking and DNS resolution
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- PowerDNS on Lucidia (Docker): authoritative DNS for custom zones
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- dnsmasq on Cecilia: custom DNS zones (.cece, .blackroad, .entity, .soul, .dream)
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- Cloudflare DNS for 48+ public domains
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**Reverse Proxy & Load Balancing**
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- 48 Nginx sites routing traffic to fleet services
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- 4 Cloudflare tunnels for zero-trust external access
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- Per-service routing: API, web, git, AI inference endpoints
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- SSL/TLS termination via Cloudflare
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**Monitoring & Diagnostics**
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- 106 active network connections monitored across fleet
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- 867 processes tracked for network resource usage
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- SSH-based fleet probing with health checks
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- Daily KPI collection including connection counts and peer status
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**Security**
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- Zero-trust architecture via Cloudflare tunnels (no exposed ports)
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- WireGuard encryption for all inter-node traffic
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- UFW firewall on edge nodes (INPUT DROP policy)
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- SSH key management across 50+ authorized keys
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---
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## Technical Skills
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**VPN:** WireGuard, Tailscale
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**DNS:** Pi-hole, PowerDNS, dnsmasq, Cloudflare DNS
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**Proxy:** Nginx, Cloudflare Tunnels
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**WiFi:** hostapd, RoadNet mesh configuration
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**Security:** UFW, nftables, SSH hardening, TLS
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**Monitoring:** Custom probes, ss, connection tracking
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---
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## Metrics
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| Metric | Value |
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|--------|-------|
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| VPN nodes | 7 (WireGuard) |
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| Tailscale peers | 9 |
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| WiFi APs | 5 |
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| Domains | 48+ |
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| Nginx sites | 48 |
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| CF tunnels | 4 |
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| Connections | 106 |
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