Yurii Ponomarenko

Administration and maintenance of a hybrid Microsoft environment for 1000+ users and endpoints across cloud and on-premises: Identity and access management (Entra ID, Identity Governance, Conditional Access, PIM, SSO, SCIM, LAPS, AD), endpoint management with Intune (Autopilot, MDM, app packaging/deployment, remediation, policies, GPO), Azure access control (RBAC, Enterprise Apps), AVD support, and automation with Azure Automation and PowerShell.

Administration and maintenance of a distributed hybrid infrastructure across on-premises and AWS: Identity and access management (Active Directory, AD FS, AWS IAM, Microsoft LAPS), identity integration (GCDS, Azure AD sync, SAML), virtualization (Hyper-V, Azure Stack HCI), systems administration and automation (GPO, PowerShell), enterprise file services (SMB, S2D, DFS, AWS File/Volume Gateway), and core infrastructure services (PKI, DNS/Route53, DHCP, antivirus, updates).

Administration and maintenance of enterprise virtualization and infrastructure platforms, including virtualization clusters (Microsoft Hyper-V, VMware), multi-domain Active Directory environments, PKI, and enterprise backup systems. Key projects: 1. Deployment of a fault-tolerant CRM platform based on Windows Failover Clustering, SQL Server AlwaysOn, load-balanced web application servers. 2. Design and implementation of a private cloud infrastructure (Windows Server and System Center, Cisco UCS, NetApp).

Administration and maintenance of enterprise infrastructure platforms, including a multi-forest Active Directory environment (~5000 users), PKI, Microsoft Exchange messaging infrastructure with Clearswift MIMEsweeper, and Microsoft Hyper-V virtualization clusters.

Responsible for core infrastructure operations and implementation of key IT infrastructure projects. Key projects: 1. Design of core IT services and deployment of a virtualization infrastructure (Hyper-V cluster, Microsoft System Center). 2. Deployment of Microsoft Exchange messaging infrastructure (Database Availability Groups, load-balanced client access). 3. Development of an employee account lifecycle management solution integrating SAP and Active Directory (PowerShell, Microsoft SQL).