Joshua Holland
Principal Systems & Security Engineer — Designing, Operating, and Securing Production SaaS
30-Second Summary
Principal systems & security engineer owning end-to-end architecture, infrastructure, security, and operations for production SaaS platforms.
Designed, built, and operated 6+ SaaS products serving thousands of daily users with sustained 99.9%+ uptime.
Deep experience across systems architecture, cloud infrastructure, DevSecOps, incident response, and cost governance.
Hands-on by default: I design the systems, write the code, deploy to production, respond to incidents, and remain accountable for outcomes.
Quick navigation
Portfolio
Case studies, system architecture, and measurable outcomes from production systems.
Blog
Technical deep dives on systems engineering, DevSecOps, operations, and real-world trade-offs.
GitHub
Open source projects, reference implementations, and supporting code artifacts.
Résumé
Concise PDF overview of experience, scope, technical ownership, and production responsibility.