Marios-Angelos Platon

IT Support & Network Technician

694 376 5709 · mariosplaton1@gmail.com · github.com/mariosplaton123 · mariosplaton.gr

Professional Profile

IT technician with hands-on experience in Level 1 and Level 2 helpdesk support, Windows/Linux setup and configuration, virtualization with VMware vSphere and Proxmox, and user administration in Active Directory and Microsoft 365. Knowledge of TCP/IP, DNS and DHCP, combined with customer service experience. Maintain a personal home lab for practical server administration, storage, monitoring and network security.

Professional Experience

IT Support Technician — Level 1 & 2 Helpdesk | CQS-PALADINO

June 2025 – Present

• Provide troubleshooting for users and agents across hardware, software, networking and peripherals.
• Install and configure Windows workstations.
• Create and manage users in Active Directory and Microsoft 365 Admin Center.
• Manage virtual machines in VMware vSphere.
• Resolve application, driver, printer and peripheral issues.

Customer Service Representative | Elpedison (via Befon)

January 2025 – June 2025

• Handled inbound residential and business customer enquiries about electricity and natural gas.
• Tracked cases in Salesforce CRM following GDPR policies.
• Worked to service KPIs including handling time, satisfaction and resolution effectiveness.

Kiosk Operations & Customer Service | Family Business

May 2024 – January 2025

• Customer service, cash handling, inventory tracking and day-to-day operations.

Sales Representative | Vodafone

September 2023 – December 2023

• Promoted telecommunications products and services and handled customer concerns.

Technical Skills

Systems: Windows client/server, Linux Server, VMware vSphere, Proxmox VE

Networks: TCP/IP, DHCP, DNS, NAT, router/firewall configuration (LAN/WLAN)

Administration: Active Directory, Microsoft 365 Admin Center

Storage & security: TrueNAS, BitLocker/LUKS, GParted, endpoint security

Self-hosting: Uptime Kuma, Pi-hole, Matrix/Synapse, Caddy, Cloudflare Tunnel

Development: Python, C#, JavaScript, GDScript, HTML/CSS; MySQL, MongoDB, SQLite

Web & tools: WordPress, cPanel, Plesk, WooCommerce, Cloudflare, MS Office, Photoshop

Projects & Home Lab

Self-Hosted Home Lab (Proxmox): Manage a personal virtualization server hosting TrueNAS storage, Pi-hole network DNS filtering, Uptime Kuma service monitoring, and Matrix/Synapse with Element accessed via Cloudflare Tunnel.

Killing Joke: Unity platform game for Global Game Jam 2024.

Fitness RPG: Mobile app using Godot 4.6, GDScript and Supabase.

Notepad App: Python/Tkinter text editor.

Certifications

Cisco Networking Essentials · Cisco Endpoint Security · ECDL Advanced

Education

IT Applications Technician — IEK Delta 360, Patras

Merchant Marine Academy — Oinousses, Chios

Languages

English C1 · French B1