Stewardship · Founder & Systems Architect

Hap Nesbitt

Independent AI infrastructure engineer and systems architect — builder of Arc Codex and the A.R.C. cognitive security framework. Available for contract engagements.

Responsibility is the final layer of the stack. We do not just build systems; we steward the information that flows through them.

Fields of Engagement

Cognitive Security
Creator of the A.R.C. framework — 48 cognitive anti-patterns for detecting manipulation, disinformation, and adversarial narratives at scale.
Email Authentication
SPF, DKIM, DMARC, BIMI architecture and deployment. Self-hosted MTA hardening, PTR alignment, and deliverability forensics.
AI Infrastructure
Agentic LLM pipelines, Ollama / local inference, Redis-backed orchestration, ensemble architectures. Production systems on bare metal.
Systems Architecture
30+ years Linux / UNIX. IAM, entitlement automation, OpenShift CI/CD. Former Proofpoint (employee #10), Wells Fargo, Morgan Stanley, J.P. Morgan Chase.

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