- Configuration, administration and troubleshooting Active Directory (AD forest with 20 sites and more than 5000 object); - Implementing GPO (install/uninstall software, provide setting for restrict user environment more than 2000 employees); - Configuration, administration and troubleshooting DFS (DFS replication with more than 20 replication partner); - Configuration WDS 2003/2008/2012 in branches of company (more than 20 branches); - Administration MS Exchange Server 2010 (2 CAS/HT + 2MB (high availability NLB+DAG) more than 1500 mailbox, mail flow hygiene (ORF); - Administration and configuration various infrastructure services such as Certification Authority, WSUS, TMG2010, File Services (FRSM), DNS, DHCP, etc; - Setup and administration hypervisors Hyper-V, ESXi; - Managing and developing backup plans for Symantec Backup Exec; - Configuration and administration Symantec Endpoint Protection on over 1000 hosts; - Configuration Zabbix (Monitoring of production servers and services); - Administration Office365 (ADFS, AD Connect, SSO, Sharepoint Online, Exchange Online); - Work with Azure; - Create technical documentation. Project portfolio: - Implementing MS Exchange 2010 Hybrid deployment for company Asnova Holding (1500 mailbox); - Migrating from on-prem Fileservers to Sharepoint Online/OneDriveForBusiness; - Implementing virtual infrastructure based on VMware vSphere and Hyper-V - Migrating from MS Hyper-v to VMWare environment; - Implementing terminal farm for more than 200 users; - Implementing backup solution based on Symantec Backup Exec and Veam;

- Setup and administration Windows Server 2003 / 2008 / 2012 (DNS, DHCP, File Services, Print Services, WSUS , WDS, DFS); - Configuration and administration Remote Desktop Services for terminal access (Terminal Farms, NLB, Web Access, load balancing via high availability Connection Broker); - Work with MS Exchange Server 2010; - Setup and administration hypervisors Hyper-V (SCVMM), ESXi (vCenter); - Managing and developing backup plans, managing backup images (Acronis, Veeam Backup); - Setup and configuration Zabbix (Monitoring of production servers and services (Linux, Windows), network devices, configuring Zabbix proxies); - Configuration and administration network equipment Mikrotik, Cisco (vpn, ipsec); - Working with Office365 (Exchange online). - Cooperation with providers and operators - Office telephony maintenance and programming - Operation with service centers/facilities - Configuring, programming and monitoring of barcoding, printing and weighing equipment - Create technical documentation. Project portfolio: - Designing and Implementing Terminal Farm for company. - Migrating from Windows to Ubuntu for Front-office computers(over 300 machines)

- взаимодействие с провайдерами и поставщиками услуг - вторая линия поддержки - консультирование пользователей по работе прикладного ПО - обслуживание парка техники - контроль выполнения заявок

Remote support for: - terminal services on server 2003/2008; - mail flow on Exchange 2010; - configuring and support Layer2 network equipment (dell/Huawei/hp/cisco/extreme/dlink). - Integrating and configuration monitoring systems Cacti, Zabbix, Nagios

- Purchase of equipment; - Server equipment maintenance - Customer computer equipment maintenance - Configuring routers - Cooperation with providers and operators

management