cv.kampisellis.com

Ioannis Kampisellis

Software · Systems · Infrastructure

Leros, Greece gkampisellis@outlook.com LinkedIn Download CV

Profile

IT professional with 5+ years of technical experience across systems, networking and support. Previous web development experience through a C# internship and practical experience with Linux, Docker, Proxmox, Git and REST APIs.

Currently studying Informatics and Telecommunications at the National and Kapodistrian University of Athens.

Experience

Vodafone Greece
L1 Technical Support Engineer
Nov 2024 — Present
  • Handle 50+ technical cases per day across chat and voice while maintaining KPI performance above 95%.
  • Diagnose fixed-network issues involving ADSL, VDSL, FTTC, FTTH and VoIP services.
  • Escalate complex incidents to L2/L3 teams following structured troubleshooting procedures.
Self-employed
IT Support Engineer
2022 — 2025
  • Designed, deployed and maintained server environments using Proxmox and Docker.
  • Configured networks and performed PC/server upgrades and basic system hardening.
  • Automated routine maintenance and backup tasks using Bash scripts.
Technologies: Linux, Docker, Proxmox VE, Bash
eLINK
IT Support Engineer
2021 — 2022
  • Built and maintained network infrastructure for retail system installations.
  • Configured servers, routers, wireless equipment, fiscal devices and peripherals.
Nummuspay.com
Assistant Developer · Internship
2018 — 2019
  • Worked with C# and contributed to web portal development tasks during an internship.
Technologies: C#, web development

Home Lab

Self-hosted infrastructure
Personal technical project

I run and maintain a Proxmox-based environment with 16+ virtual machines and containers for self-hosted services, testing, automation and infrastructure learning.

  • Proxmox VE virtualization with ZFS-backed storage.
  • Docker-based services and containerized applications.
  • Private networking and remote access with MikroTik, NetBird and WireGuard.
  • Monitoring with Prometheus and Grafana.
  • Reverse proxying, backups and routine system maintenance.
Technologies: Proxmox VE, Docker, Linux, ZFS, MikroTik, NetBird, WireGuard, Prometheus, Grafana

Education

National and Kapodistrian University of Athens
Department of Informatics and Telecommunications · Communications & Networking
2019 — Present
EOPPEP Level 5 Certification
IT Applications Technician
IEK Aigaleo
IT Applications Technician
2015 — 2017

Skills

Software & Web
C#, REST APIs, Git, HTML/CSS, SQL
Systems
Linux, Windows Server, Docker, Proxmox VE, Bash, ZFS
Networking
TCP/IP, DNS, DHCP, VLAN, SSH, MikroTik, NetBird, WireGuard
Monitoring & Tools
Prometheus, Grafana, GitHub Actions, Cloudflare

Languages

Greek · Native

English · Fluent

Contact

gkampisellis@outlook.com
linkedin.com/in/ioannis-kampisellis