Guillermo Cabanellas

About Guillermo Cabanellas

I bridge the gap between complex security engineering and frontline business operations. With a track record of securing identities for users and driving 8-figure cost avoidances through infrastructure modernization, I specialize in making security a business enabler rather than a hurdle.My toolkit: Identity: Entra ID, Okta, Active Directory. Automation: Microsoft Graph API, PowerShell, Python. Frameworks: Zero Trust, NIST 800-53, RBAC/IGA.Currently focused on automating the Identity Lifecycle and hardening hybrid-cloud environments.

Experience

1. System Operations Expert

   TP

   Jan 2025 — Present · US

   Supported architecting a high-efficiency access workflow that replaced a legacy \"nested VDI\" environment with a lightweight Secure Browser solution. This eliminated the resource-heavy \"double-hop\" login process, ensuring instant access to internal SaaS tools while maintaining isolated connectivity to Client VDI environments, impacting users- Reduced average login times by 75%+ by removing the requirement to boot a full intermediate Windows OS, increasing stability, recovering thousands of productive hours daily across the global workforce- Achieved an estimated 8-figure annual cost avoidance by migrating internal workflows to a browser-based interface, deprecating thousands of unnecessary VDI licenses and cloud resources, reducing infrastructure overhead for non-privileged users by 95%- Developed enterprise-wide end-user onboarding, and troubleshooting documentation. Speeding enterprise adoption by almost double, while reducing ticket related issues of new system by 80%.

Education

• Coursera

  Cybersecurity

  2023