Edwin S.

VPN down, firewall rules you don't trust, Wi-Fi that drops in half the building? I fix networks like these, and I design them so the problem doesn't come back. I'm a Senior Network Security Engineer with 10+ years in infrastructure and security, including roles as Information Security Manager at OPTIC (the Presidential Office of ICT) and Information Security Analyst at Dirección General de Aduanas. I've worked with NIST, ISO 27001 and PCI, so I build with security in mind from the start, not as an afterthought. What I do: • Firewalls & VPN: Palo Alto, Fortinet, Cisco ASA/FTD, SonicWall, pfSense, WatchGuard, iptables. Rule reviews, migrations, and site-to-site or remote-access VPN setup and repair • Cloud: AWS and Azure networking, plus Cloudflare DNS • Microsoft 365 administration, Active Directory/GPO, Windows Server and Linux • Virtualization: VMware vSphere and Hyper-V • Wi-Fi design: Ekahau site surveys and Ubiquiti/UniFi deployments • Network design: VLANs, guest isolation, and colocated datacenter architecture Recent work: • Hotel Wi-Fi network design with Ubiquiti. 5★: "detailed and fast delivery" • Network design for a colocated datacenter. 5★ • Isolated guest network configuration. 5★, client "highly recommends" • pfSense VPN repair, WatchGuard firewall rules, Azure networking Credentials: MBA, Master's in Cybersecurity, edX MicroMasters in Cybersecurity, CCNA, Microsoft Certified Professional. Top Rated Plus with 100% Job Success. I usually respond within 0–4 hours and work fluently in English and Spanish. Send me a short description of your setup and the problem. I'll tell you what I'd check first and how long it should take.