System Administrator
Current• Deployed Zabbix for comprehensive monitoring of servers, networks, and applications, improving proactive issue detection and reducing downtime.• Implemented VEEAM Backup & Replication for VM backup and restore, ensuring reliable disaster recovery for virtual environments.• Developed a secure database backup plan for MS SQL, ensuring encryption and maintaining data integrity and confidentiality.• Installed and configured new servers, ensuring optimal performance and up-to-date components for critical systems.• Led the migration from local DevOps (2019 to 2022), minimizing downtime and ensuring a smooth transition.• Deployed MS SQL Replication across three sites, ensuring high availability and data consistency.• Managed DNS migration from local servers to GoDaddy, optimizing domain management and reducing downtime.• Deployed NGINX Proxy Manager for reverse proxy configurations, enhancing security and performance of internal applications.• Administered and optimized pfSense firewalls for secure network connectivity across multiple sites.• Configured Aruba switches with VLANs, port configurations, and Quality of Service (QoS) to improve network performance.• Designed and managed site-to-site and remote access VPNs for secure, reliable connectivity across the organization.• Deployed and maintained vCenter/VMware vSphere for high availability and performance in business-critical virtual environments.• Managed Microsoft 365 and Azure AD Connect, enabling seamless collaboration and identity synchronization.• Administered MS SQL Server for secure connections, optimal performance, and reliable backups.• Configured QNAP storage systems for secure and efficient data management.• Deployed Kaspersky Endpoint Security for comprehensive protection of network endpoints.• Developed and enforced Group Policies (GPOs) in Active Directory to enhance security and standardize configurations.
