System Administrator

·       System Management: Administer and maintain Windows Server environments (Active Directory, DNS, IIS, File Server, Group Policy) and Linux-based systems (CentOS, Ubuntu).

·       Virtualization Infrastructure: Design, implement, and optimize virtualization solutions using VMware technologies (ESXi, vCenter).

·       Cloud Services Administration: Manage Microsoft 365 Admin Center for user lifecycle management, licensing, and service configurations.

·       Server Migration: Execute server migration projects (physical and virtual) with a focus on minimal downtime and full data integrity.

·       Web Server Configuration: Configure and maintain web servers such as Nginx, ensuring reliable and secure hosting environments.

·       Backup and Disaster Recovery: Design, implement, and monitor backup and disaster recovery solutions using Veeam Backup & Replication.

·       Database Administration: Administer and tune database systems, including MongoDB and PostgreSQL, for reliability and performance.

·       Telecommunication Systems: Manage and support VoIP/IP telephony systems, primarily 3CX, ensuring seamless communication infrastructure.

·       System Monitoring and Security: Monitor overall system health, apply regular updates and patches, and enforce security best practices.

·       Collaboration and Troubleshooting: Work collaboratively with cross-functional teams to troubleshoot issues, identify root causes, and drive infrastructure improvements.

·       Documentation: Maintain comprehensive and up-to-date documentation of infrastructure architecture, configurations, and standard operating procedures.

·       Continuous Learning: Stay current with emerging technologies and trends in system administration, virtualization, and telephony.

·       Minimum of 3 years of experience in system administration or a related technical role.

·       Proficiency in Windows Server (2019/2022/2025) and Linux (CentOS, Ubuntu) operating systems.

·       Hands-on experience with VMware virtualization platforms (ESXi, vCenter).

·       Familiarity with Microsoft 365 Admin Center and related services.

·       Experience with backup solutions, preferably Veeam Backup & Replication.

·       Experience with VoIP/IP telephony systems, such as 3CX.

·       Strong understanding of networking protocols (DNS, DHCP, TCP/IP) and security practices.

·       Scripting skills in PowerShell, Bash, or Python.