System Administrator / IT Infrastructure Specialist

• Install, configure, administer, and troubleshoot Windows and Linux (Ubuntu/Debian) servers.

• Deploy, maintain, and monitor virtualization platforms, preferably Proxmox VE.

• Configure and manage firewall solutions such as pfSense and FortiGate.

• Administer NAS storage solutions, preferably TrueNAS Core or TrueNAS SCALE.

• Install, maintain, and troubleshoot email systems such as Zimbra and Axigen.

• Configure and troubleshoot LAN/WAN networks, VLANs, VPNs, routing, switching, and wireless infrastructure.

• Manage Active Directory, Group Policy, DNS, DHCP, and file-sharing services.

• Monitor system performance, capacity, and availability, and perform preventive maintenance.

• Implement backup and disaster recovery solutions and perform regular backup verification.

• Perform software installation, system updates, and security patch management.

• Troubleshoot desktop, laptop, printer, and peripheral hardware issues.

• Install, rack, configure, and maintain Dell and HPE physical servers.

• Document system configurations, network diagrams, and operational procedures.

• Provide technical support to end users and resolve incidents within agreed service levels.

• Participate in IT infrastructure improvement projects and technology deployments.

• Follow IT security best practices and assist in maintaining a secure IT environment.

Requirements

• Max Age 35 years old.

• Bachelor's degree in Computer Science, Information Technology, or a related field (or equivalent practical experience).

• 1–3 years of hands-on experience as a System Administrator or IT Specialist.

• Strong knowledge of Windows Server and Linux (Ubuntu/Debian).

• Experience with virtualization platforms, preferably Proxmox VE.

• Experience configuring and managing pfSense and/or FortiGate firewalls.

• Experience with TrueNAS Core or TrueNAS SCALE storage solutions.

• Experience administering email platforms such as Zimbra or Axigen.

• Good understanding of TCP/IP networking, VLANs, VPNs, DNS, DHCP, NAT, and routing.

• Hands-on experience with Dell PowerEdge and/or HPE ProLiant servers.

• Strong hardware troubleshooting skills for desktops, laptops, printers, and servers.

• Familiarity with backup technologies and disaster recovery concepts.

• Ability to troubleshoot complex technical issues methodically.

• Good written and verbal communication skills in English.