2025—Present
Agentic AI Developer & Systems Architect
Agentic Engineering & AI OperationsDesigning governed agent workflows, local LLM systems, retrieval architecture, and secure automation for sensitive and operationally demanding environments.
Experience
Three decades at the intersection of systems, security, and people.
Technologist, security leader, systems architect, and technical program partner across academia, enterprise, defense, government, nonprofit, legal, and small-business environments.
Request a formal CV →Executive summary
A technical force multiplier for complex, high-trust environments.
My work combines practical cybersecurity governance with infrastructure operations, executive enablement, recovery, and modern AI systems. I am most useful when the problem crosses organizational boundaries or when operational risk matters as much as technical correctness.
Career chronology
Experience built across missions and scales.
2023—Present
President & CTO/CISO
Florida Armored CombatLeading technology strategy, security, identity, infrastructure, AI productivity, policy, and digital operations for a distributed nonprofit.
2013—Present
Senior Systems Analyst, Executive Support
Enterprise TechnologyProviding high-trust technical advisory for executive leadership and coordinating security, identity, collaboration, evidence, and crisis-response work.
2006—Present
IT Consultant
Shaun Marshall ConsultingSupporting small organizations with recovery, forensics, infrastructure, security architecture, disaster planning, policy, and technology modernization.
2001—2006
Senior Field Service Technician
Department of the Navy / NAVAIRSupported more than 1,100 clients, assisted information-assurance investigations, and led enterprise software remediation work.
1996—1998
Safety Engineer & Computer Specialist
NASA Kennedy Space CenterPerformed pressure-systems safety work and built an early secure tracking portal supporting Safety & Mission Assurance.
Security & governance
Risk translated into controls people can operate.
Security architecture, IAM, RBAC, network segmentation, incident response, evidence preservation, policy, disaster recovery, email authentication, and digital forensics.
AI & productivity operations
Useful automation with boundaries.
Local LLMs, RAG vector stores, agent orchestration, MCP gateways, controlled tool use, Python, PowerShell, Bash, APIs, and human-in-the-loop workflows.
Infrastructure
Systems that survive launch day.
Proxmox, Linux, LAMP/LEMP, VPS hardening, virtualization, network controls, backup, recovery, remote access, monitoring, and operational documentation.