IT SUPPORT / INFRASTRUCTURE / SECURITY
I'm Leandro Freitas. I bring real-world IT support experience, a precision manufacturing background, and hands-on cybersecurity projects to the systems I build and troubleshoot.
Cliffside Park, NJ · Bergen County / NYC area
SELECTED WORK / 01
CYBERSECURITY & INFRASTRUCTURE
A working MCP integration with defined inspection tools and constrained administrative interfaces. Explore the design and a simulated authorization demo.
SELF-HOSTED INFRASTRUCTURE
A messaging service built with Debian, Docker, PostgreSQL and a reverse proxy. Explore the architecture, deployment decisions and operational lessons.
WEB DEVELOPMENT & OPERATIONS
A static website with reusable project layouts, Markdown content, security headers and a repeatable Eleventy build.
HOW I WORK / 02
Hardware, software, printers, Windows workstations and backups. Diagnose the issue, restore service, and document the resolution.
Linux, Docker, networking and self-hosted services. Connect configuration choices to reliability, maintenance and secure operation.
System hardening, Splunk, network visibility and malware analysis labs. Build skills while keeping experiments isolated and documented.