System & Network Administrator

About the role

Metropolitan College and SAEK AKMI, members of Alphabet Education, the largest educational group in Greece, are looking for a motivated Mid-Senior System & Network Administrator to join their IT Department. The successful candidate will support the implementation, administration, security and maintenance of systems and network infrastructure across the campuses of both institutions.

Key responsibilities

• Administer, maintain and troubleshoot the group's network and system infrastructure, including LAN/WAN, switching, routing, firewalls, Wi-Fi, servers, storage and virtualization.
• Configure, document and support system and network solutions according to technical standards and guidance from senior team members.
• Support telephony environments (PBX, VoIP, SIP) and unified communications services.
• Collaborate with IT Support and Engineering teams to resolve incidents, implement changes and support campus operations.
• Monitor infrastructure health and performance, investigate incidents and escalate complex issues to minimise downtime.
• Apply security policies, backup procedures, patching practices and operational standards.
• Take part in infrastructure upgrades, deployments and improvement projects, suggesting optimisation and automation opportunities.
• Maintain accurate technical documentation and share knowledge with colleagues.

Required profile

• Bachelor's degree in Computer Science, Information Technology or a related field, or equivalent practical experience.
• Approximately 3-5 years of hands-on experience in system and/or network administration.
• Strong problem-solving skills, teamwork, communication and willingness to learn.

Required skills

• Good working knowledge of TCP/IP, DNS, DHCP, VLANs, routing and switching.
• Microsoft Active Directory, Group Policy, domain services and user/access administration.
• Virtualisation platforms such as VMware or Hyper-V.
• SAN/NAS storage, backup solutions and basic disaster recovery.
• Firewalls, VPNs, Wi-Fi and network troubleshooting tools.
• PBX, VoIP, SIP or unified communications is an advantage.
• Exposure to Microsoft Azure, Microsoft Entra ID (Azure AD), Microsoft 365 or hybrid environments is desirable; certifications such as CCNA, CompTIA Network+ or Microsoft/Azure are an asset.

What we offer

• Competitive compensation package aligned with experience and qualifications.
• Medical insurance plan.
• A professional and collaborative working environment with high-quality facilities.
• Opportunities for training, skill development and career growth within a leading higher education group.