Senior System Administrator

#vacancy #fulltime

🚀 We are looking for Senior System Administrator at Social Discovery Group 🚀
🔹Key Responsibilities:
• Active Directory, DNS, DHCP, PKI, Group Policy — day-to-day administration
• AD domain migration to a new forest, replacing Citrix VDI with an alternative solution, rebuilding the load-balancing stack (nginx, HAProxy, keepalived/VRRP)
• Supporting VDI and terminal server farms, managing certificates
• Upgrading legacy Windows servers, decommissioning outdated systems
• Incident and request handling within SLA, on-call rotation
🔹 Requirements:
• 5+ years working with Microsoft and VDI infrastructure
• Hands-on experience with AD domain/forest migration (ADMT, SID History, phased migration with minimal downtime)
• Production experience with VDI or terminal server platforms
• Linux (Ubuntu, AlmaLinux, CentOS/RHEL), load balancing, Hyper-V/VMware ESXi
• English B1 or above