Senior System Administrator

We are looking for a Senior System Administrator to support and modernize critical IT infrastructure within a highly secure and technically advanced environment. You will work in a multidisciplinary team responsible for maintaining reliable server environments, virtualization platforms, and infrastructure services while contributing to system evolution and operational excellence.

Responsibilities

• Administer and maintain Windows and Linux server environments
• Manage Active Directory, GPO, DNS, DHCP, and identity services
• Monitor and optimize virtualization platforms such as VMware, Proxmox, and Hyper-V
• Ensure infrastructure security, patch management, backups, and business continuity
• Support infrastructure modernization and scalable system architecture design
• Automate operational tasks using PowerShell, Bash, Python, or similar scripting tools
• Troubleshoot and ...