Antonis Mortos
Software Engineer, Consultant, and Architect in Greece,Glyka Nera
1. IT & Network Administrator with expertise in enterprise open-source infrastructure, virtualization, and high-availability VoIP. Specialized in securing networks, automating workflows, and integrating telephony systems with core business applications (CRMs, Web Platforms).
2. Core Technical Competencies
VoIP & Telephony: Asterisk, Issabel (chan_sip), Kamailio, OpenSIPS (Active-Passive / High-Availability), CRM/Web Integrations.
Linux & Virtualization: Debian Administration, Nginx, MySQL, Security Hardening, Proxmox VE (PCI Passthrough, Mail Gateways), Mail Systems (Mailcow, Exchange).
Networking & Security: Ubiquiti UniFi Cloud Gateways, Subnetting, Policy-Based Routing, OpenConnect SSL VPN, Reverse Proxies, SSL Certificates.
3. Key Achievements
HA VoIP Systems: Deployed Kamailio SIP Proxies over active-passive Asterisk/Issabel nodes, achieving minimal downtime.
Secure Remote Access: Built OpenConnect SSL VPN environments with custom routing and reverse proxies.
Telephony Integrations: Integrated Asterisk PBX with SuiteCRM databases and web apps to automate call workflows.
4. Key Strengths (Soft Skills)
Analytical Troubleshooter: Fast root-cause analysis via logs and network traffic analysis.
Cost-Efficient & Adaptive: Leverages high-performance open-source tools to avoid expensive vendor lock-in.
Autonomous: Capable of owning projects end-to-end—from initial design to deployment and maintenance.