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Alexa Amundson
292fa97a8e
RoadChain-SHA2048: 9f948f149bd9f508 RoadChain-Identity: alexa@sovereign RoadChain-Full: 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
70 lines
2.8 KiB
Markdown
70 lines
2.8 KiB
Markdown
# Alexa Amundson
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**Senior DevOps 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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DevOps engineer operating a 7-node distributed infrastructure spanning edge devices and cloud, with 52 automated tasks, 256 managed systemd services, and 99 Cloudflare deployments. Builds self-healing systems with automated monitoring, fleet-wide power optimization, and daily KPI collection across 9 data sources.
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---
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## Experience
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### BlackRoad OS | Founder & Infrastructure Lead | 2025–Present
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**Infrastructure Operations**
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- Operate 5 Raspberry Pi nodes + 2 DigitalOcean droplets with WireGuard mesh VPN connecting all endpoints
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- Manage 256 systemd services and 35 timers across fleet with self-healing autonomy scripts
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- Deploy and maintain 14 Docker containers via Docker Swarm orchestration
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- Route 48+ custom domains through 4 Cloudflare tunnels to backend services
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**CI/CD & Automation**
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- Built 212 CLI tools (121 MB) for infrastructure management and deployment
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- Maintain 17 Mac cron jobs + 35 fleet timers for continuous automation
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- Operate GitHub Actions CI/CD pipelines and self-hosted Gitea (207 repos)
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- Automated GitHub-to-Gitea relay syncing every 30 minutes
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**Cloud Infrastructure (Cloudflare)**
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- Deployed 99 Pages projects, 22 D1 databases, 46 KV namespaces, 11 R2 buckets
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- Manage Cloudflare Workers for edge compute and API routing
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**Monitoring & Observability**
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- Built daily KPI collection system tracking 60+ metrics across 9 collectors
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- Implemented fleet power optimization with CPU governor tuning, voltage monitoring (avg 44.8°C)
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- Created distributed observability with traces database and per-node SSH health probes
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- Manage 48 Nginx reverse proxy sites with health checking
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**Reliability**
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- Implemented self-healing cron-based autonomy on all nodes (heartbeat 1m, heal 5m)
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- Reduced node temperature from 73.8°C to 57.9°C by identifying and disabling runaway services
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- Resolved undervoltage throttling via config.txt optimization (+95mV on one node)
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---
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## Technical Skills
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**Infrastructure:** Linux (Debian/Raspberry Pi OS), Docker, Docker Swarm, systemd, Nginx, WireGuard
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**Cloud:** Cloudflare (Pages, Workers, D1, KV, R2, Tunnels), DigitalOcean, Tailscale
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**CI/CD:** GitHub Actions, Gitea, shell scripting, cron automation
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**Languages:** Bash (91 scripts, 212 CLI tools), Python, JavaScript/TypeScript
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**Monitoring:** Custom KPI system, power monitoring, thermal management, distributed tracing
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**Databases:** PostgreSQL (11 DBs), SQLite (230 DBs), D1, KV stores
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---
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## Metrics
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| Metric | Value |
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|--------|-------|
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| Nodes managed | 7 |
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| Systemd services | 256 |
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| Automated tasks | 52 |
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| Docker containers | 14 |
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| Cloudflare deployments | 99 |
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| CLI tools built | 212 |
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| Repos managed | 1,603 GitHub + 207 Gitea |
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