ATHANASIOS VELLIS
Network & Computer Technician / IT Support / ERP Engineer
Agios Dimitrios
Summary
IT Professional with experience in IT Administration and Technical Support (Networks & ERP systems). Currently working as an IT Administrator Assistant & ERP Engineer at Shop and Trade, focusing on internal technical support and Entersoft ERP management. Previously worked as a 1st & 2nd level Network Technician at Nova/CQS, specializing in network and equipment troubleshooting. I combine studies in Computer Science with a specialization in Cyber Security, strong English skills, and a commitment to continuous learning. Organized, responsible, experienced in demanding environments (military, yachting, hospitality), and comfortable communicating with clients and colleagues.
Overview
5
5
years of professional experience
3
3
Languages
Work History
IT Administrator Assistant & ERP Engineer
Shop and Trade
11.2025 - Current
- Provided 1st-level IT support (Helpdesk) and troubleshooting for hardware, software, and network issues.
- Assisted in the administration, maintenance, and daily support of the Entersoft ERP system.
- Developed and modified ERP reports and data extraction processes using Entersoft.
- Managed user accounts, permissions, and access rights within the IT infrastructure.
- Trained end-users on Entersoft ERP functionalities and provided technical guidance.
- Participated in the setup and maintenance of IT equipment (workstations, peripherals, etc.).
1st/2nd Level Network Technician
CQS / Nova
12.2024 - 07.2025
- Support for 1st and 2nd level customers for network and Internet issues.
- Troubleshooting connections, routers, modems, and other network equipment.
- Remote configuration of routers, switches, Wi-Fi, parameter changes, and service restarts.
- Ticketing system logging and follow-up until resolution.
- Collaboration with senior technical teams for complex issues.
- Client communication with step-by-step guidance and clear instructions.
Sergeant of Military Police
Hellenic Army
03.2024 - 12.2024
- Leadership role as Sergeant in Military Police.
- Security procedures, discipline, and calm handling of situations.
- Teamwork in a demanding, hierarchical environment.
Head Waiter
Pezodromos
11.2023 - 03.2024
- Shift team coordination.
- Customer service, complaint management, problem-solving.
- Development of communication and organizational skills.
Co-Skipper / Skipper
Horizon Yachts
04.2022 - 10.2023
- Participation in sailing & motor yacht navigation.
- Responsible for passenger and equipment safety.
- Continuous decision-making under pressure and team management.
Co-Skipper
Trinity Yachting
05.2021 - 10.2021
- Support to skipper, training to take full role.
- Direct interaction with clients, tourism service, teamwork.
Assistant Manager
Domino’s
01.2021 - 05.2021
- Responsible for proper store operation.
- Shift planning, order monitoring, basic staff management.
Education
Computer Science
University of Piraeus
03-2025
Intermediate Certificate - CCNA
Cisco Academy
04.2001 -
BSc - Cyber Security
Mediterranean College
03-2028
Skills
Certifications: CCNA (in progress)
ERP & CRM: Entersoft ERP/CRM Administration & Technical Support
Networks: Installation & configuration of routers, switches, Wi-Fi Network maintenance & troubleshooting
Computers & OS: Software & Hardware installation & upgrades, basic diagnostics & troubleshooting of PCs/laptops
Programming: C, C#, Python, SQL (from studies & personal projects)
Communication and collaboration skills
Organization & reliability
Responsibility & initiative
Pressure & stress management
Commitment to continuous learning in technology
Other
- Military service: Completed (Sergeant of Military Police)
- Driver’s license: Car & Motorcycle
Timeline
IT Administrator Assistant & ERP Engineer
Shop and Trade
11.2025 - Current
1st/2nd Level Network Technician
CQS / Nova
12.2024 - 07.2025
Sergeant of Military Police
Hellenic Army
03.2024 - 12.2024
Head Waiter
Pezodromos
11.2023 - 03.2024
Co-Skipper / Skipper
Horizon Yachts
04.2022 - 10.2023
Co-Skipper
Trinity Yachting
05.2021 - 10.2021
Assistant Manager
Domino’s
01.2021 - 05.2021
Intermediate Certificate - CCNA
Cisco Academy
04.2001 -
Computer Science
University of Piraeus
BSc - Cyber Security
Mediterranean College