CompTIA Security+ certified engineer specializing in secure network design and practical risk management.

• Network Security: VPNs (IPSec/TLS), PKI, BGP, VLANs, Cisco/Juniper routing
• Full Stack Web Development: Deploying, securing, and maintaining open-source social platforms (front end, back end, infrastructure)
• Penetration Testing: PTES methodology, exploit development, threat modeling
• Automation: Scripting with PowerShell, Bash, and Python
• Cloud & DevOps: Ubuntu 22.04, cloud VPS, Docker, CI/CD pipelines, self-hosted web apps, DNS management, reverse proxies
• Privacy Engineering: DNS filtering (Pi-Hole/NextDNS), secure messaging, end-to-end encryption, Tor/VPN, OSINT hardening, privacy-first deployments

• Travel‑Privacy Toolkit – Custom messenger, payment, and DNS scripts for the Philippines, South Korea, and Japan (blocked ≈ 24.4% of DNS queries; 32,652 blocked/133,797 total).
• Twitter-style Mastodon Instance – jeju.social – Invite-only, open-source server on a lightweight cloud platform; consistently under 20% CPU, minimal swap, and fast encrypted (TLS 1.3) connections, managed with Cloudron.
• Instagram-style Pixelfed Instance – shisa.me – Invite-only, open-source server on a lightweight cloud platform; optimized for low resource usage and fast encrypted (TLS 1.3) connections, managed with Yunohost.
• Secure‑Comm Trainer – Open-source slides and labs for teaching secure communications to non-technical staff.

• CompTIA Security+ Certification (2024)
• Cisco CCNA Training (2012)
• OSINT Training (2021–2023)
• Digital‑privacy “Go Incognito” (2022) – 7‑module course on anonymity, VPN/Tor, encryption
• Electronic Frontier Foundation – Guardian Member & donor

Sponsor and attendee of regional security meet‑ups (2023–2025); contributor for Redacted Magazine & The New Oil; moderator of Mastodon & Pixelfed communities.