IT Administrator – Infrastructure & Support Specialist

About the role

The IT Administrator will ensure the stable operation of the company’s IT infrastructure, handling servers, networks, software, and user support. Based in Athens, the role combines hands‑on technical work with coordination of hardware and system upgrades.

Key responsibilities

• Manage IT equipment inventory, coordinate repairs and oversee hardware lifecycle.
• Install, configure and troubleshoot network devices, including UniFi Wi‑Fi systems and VLANs.
• Administer ESXi virtualization hosts, create and maintain virtual machines.
• Support Microsoft SQL Server databases and related applications.
• Maintain Windows Server 2019‑2022 environments and Microsoft 365 services.
• Implement security protocols, perform system backups and manage telephony systems.
• Provide end‑user technical support (Helpdesk) for Windows, Office 365 and Galaxy ERP/CRM.
• Create and manage user accounts, profiles and access rights in the Galaxy system.

Required profile

• Degree in Computer Science, Information Technology, Information Systems or a related field.
• 5+ years of professional experience with IT systems, networks and related technologies.
• Excellent verbal and written communication, strong organizational abilities and attention to detail.
• Ability to work under pressure, meet deadlines and handle crisis situations.
• Team‑oriented mindset with a willingness for continuous learning.

Required skills

• Windows Server environments (2019‑2022).
• Virtualization using VMware ESXi.
• Microsoft SQL Server.
• Network infrastructure, VLAN configuration and UniFi Wi‑Fi systems.
• Microsoft 365 (Office 365) administration.
• Galaxy ERP/CRM (EPSILON SINGULAR LOGIC).