System and Infrastructure Administrator

About the position: The System & Infrastructure Administrator is responsible for the day-to-day administration, support, security, and reliable operation of the company’s corporate IT environment. The role ensures that user access, infrastructure, internal services, networks, endpoints, and core business systems remain available, secure, and properly maintained to support daily business operations. Requirements: • 3+ years of hands-on experience in system administration, infrastructure support, or corporate IT operations. • Strong practical knowledge of Windows Server, Active Directory, Group Policy, Microsoft 365/Entra ID, DNS, DHCP, and access management. • Working knowledge of Linux administration and troubleshooting. • Strong understanding of TCP/IP, VLANs, routing, NAT, VPNs, Wi-Fi, firewalls, NAS, and SMB. • Experience with virtualisation, Proxmox, ZFS, LVM, storage systems, backup systems, and recovery procedures. • Experience with Docker, GitLab CI, and container registries. • Understanding of RBAC, least privilege, MFA, SSO, privileged and service accounts, access reviews, patching, endpoint security, and incident escalation. • General knowledge of cloud providers and cloud concepts, including compute, storage, networking, IAM, monitoring, backups, shared responsibility, and basic cost awareness. • Experience supporting employee devices at the L2–L3 level and working with an ITSM/helpdesk system. • Basic automation skills in PowerShell, Bash, Python, Ansible, or APIs. • Good written English and the ability to maintain clear technical documentation. Nice to Have: • Hands-on experience with AWS, including IAM, EC2, VPC, S3, Route 53, CloudWatch, or AWS Backup. • Experience operating or troubleshooting Kubernetes clusters. • Experience with SIEM, EDR, vulnerability scanners, PKI, certificate automation, or secrets-management systems. • Experience supporting 1C, SWIFT, financial systems, Microsoft Intune, or ITAM/CMDB platforms. Benefits: • Competitive salary; • Annual performance bonus; • Access to our Limassol offices, including daily drinks and snacks, as well as parking facilities; • Working hours are from 9:00 to 18:00, with a shorter day on Fridays until 16:30; • 24 working days of paid annual leave, in addition to statutory public and bank holidays in Cyprus; • 14 working days of paid sick leave per calendar year; • Work permit sponsorship and full support with all related arrangements; • The opportunity to participate in corporate sports activities and events, and receive corporate gifts.