20 role-specific resumes with verified KPIs — BlackRoad only, no prior experience

RoadChain-SHA2048: 428ab11c02ce78d6
RoadChain-Identity: alexa@sovereign
RoadChain-Full: 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

roles/07-infrastructure-engineer.md

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+# Alexa Amundson
+
+**Infrastructure Engineer**
+
+amundsonalexa@gmail.com | [github.com/blackboxprogramming](https://github.com/blackboxprogramming)
+
+---
+
+## Summary
+
+Infrastructure engineer building and operating a 7-node distributed compute fleet with 707 GB storage, 20 GB RAM, 52 TOPS AI acceleration, and WireGuard mesh networking. Manages 256 systemd services, 14 Docker containers, and 48+ production domains with automated monitoring and self-healing.
+
+---
+
+## Experience
+
+### BlackRoad OS | Founder & Infrastructure Lead | 2024–Present
+
+**Physical Infrastructure**
+- Built and maintain 5 Raspberry Pi edge nodes (4× Pi 5 with NVMe, 1× Pi 400)
+- Installed and configured 2× Hailo-8 AI accelerators (52 TOPS combined)
+- Managed hardware: NVMe drives, Pironman5 enclosures, OLED displays (I2C), UART adapters
+- Resolved undervoltage issues via config.txt tuning, power supply assessment, overclock removal
+
+**Network Infrastructure**
+- WireGuard mesh VPN (10.8.0.x) connecting all nodes through DigitalOcean hub
+- RoadNet WiFi mesh: 5 access points on channels 1/6/11, dedicated 10.10.x.0/24 subnets per node
+- 4 Cloudflare tunnels for zero-trust external access to 48+ domains
+- 48 Nginx reverse proxy configurations
+- DNS infrastructure: Pi-hole (Alice), PowerDNS (Lucidia), custom dnsmasq zones (Cecilia)
+
+**Compute Management**
+- 256 systemd services and 35 timers across fleet
+- 14 Docker containers via Docker Swarm
+- 27 Ollama models (48.1 GB) across 3 inference nodes
+- 11 PostgreSQL databases, 230 SQLite databases
+
+**Automation**
+- 212 CLI tools for fleet management
+- 52 automated tasks (17 Mac cron + 35 fleet timers)
+- Self-healing autonomy on all nodes (heartbeat + heal cycles)
+- Fleet power optimization: CPU governors, swappiness, dirty_ratio, WiFi PM, GPU memory reduction
+
+---
+
+## Technical Skills
+
+**Hardware:** Raspberry Pi 5, Hailo-8 NPU, NVMe, I2C, GPIO, USB, PCIe
+**Networking:** WireGuard, Tailscale, Nginx, DNS (Pi-hole, PowerDNS, dnsmasq), Cloudflare Tunnels
+**OS:** Debian/Raspberry Pi OS, systemd, udev, kernel tuning (cmdline.txt, config.txt, sysctl)
+**Containers:** Docker, Docker Swarm
+**Monitoring:** Custom KPI system (60+ metrics), thermal monitoring, voltage tracking
+
+---
+
+## Metrics
+
+| Metric | Value |
+|--------|-------|
+| Fleet nodes | 7 |
+| Total storage | 707 GB |
+| Total RAM | 20 GB |
+| AI compute | 52 TOPS |
+| Systemd services | 256 |
+| Network connections | 106 |
+| Domains served | 48+ |