Computer Engineer | IT Support Specialist | Cybersecurity Enthusiast

I am a problem-solving professional with solid experience providing Tier 2 technical support in Windows environments, automating tasks, and diagnosing hardware and networks. I hold the eJPTv2 certification and leverage my IT infrastructure background to build a strong foundation for a role within a Security Operations Center (SOC).

I am passionate about optimizing systems, securing networks, and building tools that streamline IT administration.

• Operating Systems: Windows (Advanced/Tier 2 Optimization, OS Deployment, OEM Recovery), Linux.
• Scripting & Databases: Python, PowerShell, SQL, HTML.
• Cybersecurity & Networking: pfSense Firewall, TCP/IP, Nmap, Metasploit, Threat Analysis (VirusTotal, Have I Been Pwned).
• Diagnostics & Hardware: Sysinternals Suite, Process Hacker, CloneZilla, Benchmarking (Geekbench, FurMark, CPU-Z).

• 💻 IT Automation & Diagnostic Scripts

  • Developed custom Python and PowerShell scripts to automate routine Windows administration tasks.
  • Created a System Health Checker in PowerShell for real-time memory and disk analysis.
  • Implemented a local network port scanner in Python for rapid connectivity troubleshooting.

• 🛡️ Virtualized Network Security Lab (EternalBlue Simulation)

  • Designed and deployed an isolated corporate network simulation using VirtualBox.
  • Configured a vulnerable Windows environment and executed a controlled exploit using Kali Linux, Nmap, and Metasploit.
  • Demonstrated practical understanding of OS patching, endpoint vulnerabilities, and network security validation.

IT Analyst / IT Support Specialist | SISalud (Jul 2023 – Jul 2024)

• Provided comprehensive Tier 1 and Tier 2 technical support in Windows environments, minimizing operational downtime for critical clinical users.
• Spearheaded the installation and configuration of pfSense as the primary corporate firewall, enhancing network security and guaranteeing operational continuity.
• Diagnosed and resolved system errors, hardware failures, and software conflicts using advanced diagnostic utilities (Sysinternals, Process Hacker, Hiren’s BootCD).
• Executed system re-imaging, OS installations, and data migrations using official OEM recovery tools and CloneZilla.

• eJPTv2 (eLearnSecurity Junior Penetration Tester) – INE
• Google IT Support Professional Certificate – Coursera
• Bachelor of Science in Computer Engineering – Universidad Rafael Belloso Chacín (URBE)

• 💼 LinkedIn: linkedin.com/in/raulpfung
• 📧 Email: raulcybersecurity@gmail.com