Resume

Public-safe resume.

A sanitized summary of background, focus areas, certifications, and public work. Full resume available on request.

Note

Public-safe resume for David R. Gillispie III. Exact internal metrics, environment details, and proprietary employer information are excluded. Full resume available on request via LinkedIn ↗

> Summary

Cybersecurity engineer with experience across enterprise cloud environments, identity and access management, vulnerability validation, AI tool security, and security engineering. Focused on practical security outcomes — finding real risk, communicating it clearly, and producing remediation that engineering teams can act on.

> Technical focus
Microsoft 365 Security Entra ID / Azure AD Conditional Access Cloud Security Identity Governance Vulnerability Management AI Security External Exposure Review SaaS Security Threat Modeling Remediation Planning Security Communication
> Experience themes
Cybersecurity Engineer
Enterprise security — cloud, identity, and vulnerability management

Security engineering across Microsoft 365, Entra ID, and cloud environments. Identity governance, vulnerability validation, external exposure review, and practical remediation planning. AI security and workflow risk assessment.

Founder, DeepDream Security
Independent consulting practice

Fixed-scope security reviews, M365 hardening, external exposure reduction, and remediation planning for organizations that need a clear, actionable picture of their security posture.

Adjunct IT Instructor
Networking and cybersecurity — community college level

Teaches networking fundamentals and cybersecurity concepts. Shapes how David communicates technical risk — clearly enough for non-security stakeholders, technically enough for engineering teams.

> Technical areas

Microsoft 365 · Entra ID · Azure · Conditional Access · PIM · Defender for Office 365 · Exchange Online · SharePoint Online · PowerShell · Python · DNS / email authentication (SPF, DKIM, DMARC) · SSL/TLS · CVSS · EPSS · NVD/CVE intelligence · Shodan · External recon tooling

> Certifications
CompTIA Security+ CompTIA Network+ Google IT Support Professional
> Education
B.S., Computer Information Technology
University of Cincinnati
> Public work on this site
Security Lab (7 tools) 10 Engineering Patterns Field Notes
Public-safe by design

This resume does not include exact internal metrics, specific environment details, internal program names, or anything that could identify private employer or client infrastructure.