DEMETRIA MCCAA
Sierra Vista,AZ
Summary
AI foundations and systems engineering leader specializing in enterprise RAG LLM and Azure-based platform design. Orchestrates technical strategy, security hardening, and ISO/IEC 42001-aligned governance, collaborating with product engineering and operations teams to enhance deployment speed, minimize infrastructure overhead, and bolster reliability across hybrid environments.
Overview
1
1
Certification
7
7
years of professional experience
Work History
AI Foundations & Systems Engineering Lead (Cybersecurity Compliance & Risk Recovery Lead)
CONFIDENTIAL INFRASTRUCTURE ENTERPRISE
Fort Huachuca, AZ
05.2024 - Current
- Spearheaded engineering strategy, delivery, and operational excellence for enterprise AI workloads, overseeing 340+ hours of architectural audits and technical evaluations of Microsoft Copilot and RAG-based LLM integrations to ensure scalable and reliable execution.
- Partnered with cross-functional engineering, product, and operational teams to ensure safe AI adoption, accelerating deployment timelines and optimizing computing resource utilization, reducing power/infrastructure overhead by 30%.
- Designed and implemented system standards, hardening 150+ hybrid IT assets and remediating 500+ critical vulnerabilities in 6 months to enhance system reliability and data security posture.
- Engineered automated configuration compliance and deployment scripts via PowerShell, reducing manual assessment overhead and integration timelines by 50%.
System Infrastructure & AI Platform Operations Specialist (UNIX System Administrator)
CONFIDENTIAL INFRASTRUCTURE ENTERPRISE
Fort Huachuca, AZ
06.2021 - 05.2024
- Managed technical infrastructure and monitoring for container runtimes supporting LLM pipelines, evaluating performance, throughput, and resource consumption thresholds to ensure optimal operation.
- Utilized STIG Viewer and OpenSCAP to mitigate prompt injection, data exposure, and integration risks, implementing architectural safeguards that cut operational downtime and energy waste by 50%.
- Directed design, deployment, and improvement of foundational platform services across 1,400 multi-platform systems (RHEL, SQL Server), achieving 90–95% operational efficiency and compliance rate.
Information Security & IT Specialist
CONFIDENTIAL INFRASTRUCTURE ENTERPRISE
Fort Huachuca, AZ
07.2019 - 06.2021
- Governed identity and access management (IAM) privileges and established baseline configurations to ensure data integrity, secure data flow, and align institutional systems.
- Ensured secure operations of enterprise systems
- Tracked network performance issues
- Managed user access and account support
Education
Master of Science (M.S.) - IT – Information Security & Assurance
Purdue University Global
Lafayette, INSkills
- AI & Platform Engineering: Agentic AI Systems, RAG & LLM Pipelines, Solution Architecture, System Integration & Modernization, Risk Assessment Techniques
- Microsoft Azure
- AI architecture
- RAG integration
- ISO/IEC AIMS
- Technical leadership
- PowerShell automation
- Cybersecurity compliance
Certification
PECB Certified ISO/IEC 42001 Lead Auditor (AIMS) | ISACA CISA | Microsoft Azure Solutions Architect Expert | CompTIA Security+X & Security+
Custom
Active Secret Clearance
Timeline
AI Foundations & Systems Engineering Lead (Cybersecurity Compliance & Risk Recovery Lead)
CONFIDENTIAL INFRASTRUCTURE ENTERPRISE
05.2024 - Current
System Infrastructure & AI Platform Operations Specialist (UNIX System Administrator)
CONFIDENTIAL INFRASTRUCTURE ENTERPRISE
06.2021 - 05.2024
Information Security & IT Specialist
CONFIDENTIAL INFRASTRUCTURE ENTERPRISE
07.2019 - 06.2021
Master of Science (M.S.) - IT – Information Security & Assurance
Purdue University Global