System / Infrastructure Engineer experienced in operating enterprise Microsoft infrastructure and independently designing production services. Core focus: Microsoft 365, Exchange, Active Directory, PowerShell, Windows/Linux infrastructure, networking and API integrations.
Microsoft 365, Exchange Online/Hybrid, Active Directory, GPO, Teams, Direct Routing, SharePoint, SCCM, Windows Server, Microsoft Graph.
PowerShell, REST API, Microsoft Graph API; automation of administrative and infrastructure tasks.
Linux, Docker, Docker Compose, VMware vSphere, Nginx, HAProxy, Cloudflare.
FastAPI, PostgreSQL, Redis, API integrations.
Prometheus, Grafana, node_exporter, custom telemetry.
TCP/IP, DNS, routing, NAT, VLAN, VPN, TLS, IPv4/IPv6, load balancing, troubleshooting.
LLM API, RAG, MCP, AI agents, multi-model routing, document processing.
Operating and developing enterprise Microsoft infrastructure: Microsoft 365, Exchange Hybrid / Online, Active Directory, GPO, Teams / Direct Routing, SCCM, VMware and Windows Server.
Diagnosing infrastructure incidents and automating administrative tasks with PowerShell and Microsoft Graph across endpoints, networks and server services.
Administering application servers, mail servers and Active Directory; supporting banking software.
Providing second- and third-line support for applications, networks, VPN and virtual machines. Collaborating with development and QA teams through Atlassian Jira; participating in incident and problem management.
Maintaining head-office IT infrastructure and administering networks.
Contributing to IT implementation initiatives and organizing employee training on corporate IT systems.
Supporting head-office IT infrastructure and administering servers and user accounts.
Implementing and upgrading information systems to improve business processes; problem management, documentation and IT equipment procurement.
Supporting VoIP customers, diagnosing SIP telephony issues and configuring network settings, phones and PBX systems.
Supporting desktop and web applications and telephony integrations with AmoCRM, Bitrix24 and Zendesk; collaborating with development and QA teams.
Leading the sales-floor team, recruiting and training staff, and overseeing tasks and reporting.
Analyzing sales statistics, preparing reports and exporting data from information systems; contributing to store operations improvements.
Institute of Management and Economics in Energy and Industry
Applied Informatics in Management
Personnel management · Employee motivation · Management performance assessment