About Me

Welcome to my digital realm! I am Jonathan Castro, a passionate technology virtuoso with over a decade of experience orchestrating complex network infrastructures and fortifying digital frontiers. As a seasoned Network Administrator and Cybersecurity specialist, I blend technical expertise with creative problem-solving to craft robust, innovative solutions that protect and empower organizations in our ever-evolving digital landscape.

My journey through the realms of technology has been both rigorous and rewarding. Armed with a Bachelor's degree in Cyber Security and currently pursuing my Master's degree in the same field, I continuously sharpen my skills to stay ahead of emerging threats and technologies. This academic foundation, combined with hands-on experience, has molded me into a versatile professional who thrives on challenges and complexity.

Beyond the binary world of ones and zeros, I am an avid enthusiast of strategic tabletop gaming, having spent over two decades mastering the intricate worlds of Dungeons & Dragons and Pathfinder. These games have honed my strategic thinking, creative problem-solving, and collaborative leadership skills – qualities that translate seamlessly into my professional endeavors.

I pride myself on being a jack of all trades and a master of many – a rare combination that allows me to navigate diverse technical challenges with confidence and expertise. Whether it's architecting secure networks, implementing cutting-edge security protocols, or mentoring teams, I bring passion, precision, and innovation to every project.

Technical Expertise

Infrastructure & Networks

  • Active Directory
  • Azure Active Directory
  • Computer Networks Management
  • IT Infrastructure
  • Local Area Network Support
  • Network Administration
  • Network Engineering
  • Network Infrastructure
  • Network Monitoring
  • Microsoft Servers

Security & Risk Management

  • Asset Protection
  • Auditing
  • Cyber Security Control and Management
  • Data Loss Prevention and Reaction
  • Enterprise Network Security
  • External Auditing
  • Firewall Management
  • Forensic Investigation Analysis
  • Intrusion and Threat Detection
  • Intrusion Detection and Prevention
  • Network Security
  • Risk Analysis
  • Risk Management
  • Risk Management Framework
  • Risk Mitigation
  • Security Management and Policies

Systems & Administration

  • Backup Devices
  • Computer Hardware Maintenance
  • Debian Linux
  • Desktop Support
  • Linux Administration
  • Linux Support
  • Microsoft 365 Management
  • Microsoft SharePoint Management
  • Microsoft Teams Management
  • Role-Based Access Control
  • Scripting

Support & Operations

  • Call Center Technology
  • Code Review
  • End-User Training and Support
  • Inventory Management
  • Issue Tracking