System & Network Administrator

Metropolitan College and SAEK AKMI, members of Alphabet Education, the largest Educational Group in Greece, are seeking a motivated Mid-Senior System & Network Administrator to join our IT Department. The successful candidate will support the implementation, administration, security, and maintenance of systems and network infrastructure across the campuses of both academic 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 in line with established 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 when necessary to minimize downtime.

· Apply established security policies, backup procedures, patching practices, and operational standards.

· Participate in infrastructure upgrades, deployments, and improvement projects, suggesting practical opportunities for optimization and automation.

· Maintain accurate technical documentation and share knowledge with colleagues.

Requirements

· 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.

· Good working knowledge of TCP/IP, DNS, DHCP, VLANs, routing, and switching.

· Practical experience with Microsoft Active Directory, Group Policy, domain services, and user/access administration.

· Experience supporting virtualization platforms such as VMware or Hyper-V.

· Familiarity with SAN/NAS storage, backup solutions, and basic disaster recovery procedures.

· Exposure to Microsoft Azure, Microsoft Entra ID (Azure AD), Microsoft 365, or hybrid environments is desirable.

· Working knowledge of firewalls, VPNs, Wi-Fi, and network troubleshooting tools.

· Familiarity with PBX, VoIP, SIP, or unified communications systems is an advantage.

· Ability to use monitoring and diagnostic tools, follow technical procedures, and document work clearly.

· Strong problem-solving skills, teamwork, communication, and willingness to learn.

· Relevant certifications (e.g., CCNA, CompTIA Network+, Microsoft or Azure certifications) are considered an asset.

Benefits

· 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.

All applications will be handled with strict confidentiality and professionalism.