Freddy Mauricio P.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

Flexible Server Administration adaptable to changes in industry technology applicable to server maintenance and management. Comprehensive knowledge of all Windows platforms and server configurations. Specialize in troubleshooting and system and data protection techniques including both proactive and reactive measures. Multi-certified (MCSA | LPI Linux Essentials | CompTIA Network + | ITIL Foundations V3) systems administrator with strong experience managing server infrastructures and data-center operations across Linux and Windows platforms. Effectively plan, install, configure and optimize IT infrastructures to achieve high availability and performance. Proven ability to create and deliver solutions tied to business growth, organizational development and systems/network optimization. Skilled problem identifier and troubleshooter comfortable managing systems, projects and teams in a range of IT environments.