With a comprehensive skill set in IT infrastructure management and a proven track record of successful implementations, I have extensive experience in automating, securing, and optimizing diverse systems and services. My expertise encompasses various areas, including Windows Server maintenance, secure communications protocols, monitoring solutions, and PKI-based security.I have effectively deployed and managed digital certificates, public and private keys, and secure communications protocols to ensure the confidentiality and integrity of sensitive data. Leveraging PowerShell scripting, I have automated critical maintenance tasks, including event handling, performance monitoring, and updates.In the realm of infrastructure monitoring and performance enhancement, I have spearheaded the implementation of Zabbix, a robust monitoring solution, which enabled real-time performance assessment and prompt issue resolution. By configuring alerts and generating comprehensive reports, I facilitated trend identification and infrastructure performance optimization.My proficiency extends to diverse server environments, as I have adeptly managed CentOS and configured common services such as Apache, Nginx, and MySQL. I am also well-versed in system hardening strategies, mitigating security risks by bolstering critical systems.In the realm of Microsoft technologies, I have executed a successful migration from legacy Exchange servers to Exchange Server 2016, subsequently transitioning mailboxes to Exchange Online using a hybrid deployment model. My expertise extends to Microsoft 365 administration, encompassing Teams, OneDrive, SharePoint, Azure Active Directory, and Exchange Online. I have skillfully managed service health, requests, change management, and licensing within the Microsoft 365 infrastructure.With proficiency in implementing Nutanix Hyperconverged Infrastructure, I have facilitated the migration of VMs from Vcenter to Nutanix Element. I adeptly configured Nutanix Clusters across Main and DR Sites, establishing site-to-site replication based on SLA considerations. My vigilant monitoring of system health and regular updates has ensured disaster avoidance and resource optimization.In summary, my dynamic expertise spans a wide spectrum of IT domains, from secure communications protocols and PKI to monitoring solutions and infrastructure migration. With a proven ability to implement, optimize, and secure critical systems, I am well-equipped to drive IT excellence and contribute to operational success.