DFDavid FauciNetwork Engineer

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Notes on building, troubleshooting, and shipping things.

A scalable home for work experience and process notes, work projects, personal builds, build logs, and practical systems documentation.

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This is the one post on the site written directly by me. The stories, projects, and experiences here are real, but nearly all of the writing and presentation across the site is created with heavy AI assistance as part of a personal experiment in what these tools can help me build.

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Personal Builds

Building TheFamHub: Shipping a Private Family Coordination App

TheFamHub is a private iPhone app for family coordination built around invite-only groups, shared lists, structured tasks, family events, trusted location sharing, and disciplined scope. This build log covers the product decisions, technical architecture, and tradeoffs involved in shipping something practical enough for real household use.

10 min readRead post

Systems Notes

When the Manufacturing Certificates Quietly Expired: An ACI EOL Postmortem

A routine port-add on a Cisco ACI fabric exposed nine months of silent policy distribution failures, a seven-hour cluster time drift, and a fleet of expired manufacturer certificates on hardware past its support life. The right answer turned out to be the unsatisfying one.

8 min readRead post

Build Logs

From GitHub and Vercel to an Interactive Portfolio Site

What started as a straightforward portfolio site became a much more personal project: learning the GitHub and Vercel workflow, getting a first version live, and then evolving it into the interactive portfolio experience that now lives at dfauci.com.

8 min readRead post

Personal Builds

Building WrenchLog: A Practical iPhone App for Vehicle Service History

I built WrenchLog to solve a simple problem I kept running into: maintenance information was scattered across receipts, notes, photos, and memory. What started as a personal tool for keeping vehicle service records in one place became a focused SwiftUI app with VIN lookup, photo attachments, quick service logging, export tools, and a workflow built around real maintenance tasks rather than generic CRUD screens.

9 min readRead post

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Personal Projects

A place for hands-on side projects, experiments, and the process of turning an idea into something real and usable.

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Systems and Tools Notes

Reusable notes on troubleshooting, tooling, documentation, and the small operational habits that keep infrastructure work effective.