Experience · Hiring managers · Recruiters

Stephen Sweeney

Principal systems architect · Technical writer · Monument, CO

25+ years building and explaining software systems across aviation, autonomous systems, AI governance, edge computing, search, geospatial platforms, and mobile applications.

Professional focus

I work where architecture, operational authority, and evidence must agree. I am open to principal or staff architecture, technical leadership, governed-autonomy, and senior technical-writing work involving architecture docs, APIs, compliance narratives, and product specifications. Writing samples are at /portfolio.

Experience

Career details below are drawn from the current résumé. Confidential client work is described only at the level cleared for publication.

2026–Present
Flightworks Systems Principal Systems Architect · Flightworks Sentinel Designing vendor-agnostic deterministic governance middleware between AI proposal modules and autonomous flight control, with three-state authority gating and hash-chained evidence for deterministic replay.
2020–Mar 2025
Aircraft Performance Group Technical Team Lead / Architect Led a seven-engineer team delivering production software for business-aviation customers. Owned architectural direction, drove SwiftUI/Combine modernization, built CI/CD pipelines, and strengthened release quality through repeatable engineering standards.
2025–Present
Flightworks Aerial LLC Founder / Pilot in Command · FAA Part 107 Founded a drone services and technology company for end-to-end UAS mission execution with systems-minded procedures and compliance-first operations.
2006–2020
Wayfair · MapQuest · AOL Senior Software Engineer Progressive engineering roles across consumer-scale search optimization, geospatial and navigation systems, and mobile applications.

Selected systems

  • Production aviation software (Aircraft Performance Group) — technical leadership, application modernization, CI/CD, and delivery across mobile and cloud surfaces.
  • Flightworks Sentinel — deterministic governance middleware for trusted UAS autonomy; active development.
  • AgentVector — open-source constitutional governance framework and the source of the documentation system presented on this site.

Current work

Independent work spans the AgentVector governance framework, Flightworks Sentinel, Part 107 operations, and a confidential multi-agent software engagement. These are current projects, not prior-employer products.

  • Flightworks Systems — deterministic governance for autonomous aviation
  • AgentVector — constitutional governance research and open-source documentation
  • Multi-agent platform — governed orchestration, provenance, and reliability patterns for a confidential startup engagement
  • Vigil / Light Station — desktop-agent governance reference implementations

Credentials

Certification
FAA Part 107 Remote Pilot Certificate · Active
Military service
Cavalry Scout (19D) · United States Army · Honorable discharge, 1989
Education
B.S. Information Technology · American InterContinental University
Location
Monument, CO

Contact

For consulting engagements, see macsweeney.llc ↗.