Position: Senior System Administrator
Category: Sysadmin
English level: intermediate
Years of experience: 11

Implementation of the distributed corporate network (OSPF). More than 40  branch offices.   
Implementation of corporate network security authentication (802.1x, AAA-Radius, wpa2-ent).
Project of migration on virtual platform VMWAREESXi6.0(over 60 servers).
Project of migration on corporate e-mail system Exchange 2013.
Implementation of Disaster Recovery Plan (Software –Symantec BackupExec 2015, Hardware–Dell DR 4100).
Implementation of Nagios system monitoring (over 100 hosts and 450 services).

Certified: Azure Administrator Associate, Teams Administrator Associate.
Azure Cloud: 
AAD, Office365, Intune. 

Windows:
Windows Server 2003-2019 AD, DNS, DHCP, WSUS,GPO, NPS, NLB, Terminal servers,  Exchange Server 2003-2019, Office365.

Network administration:
NAT, EIGRP, OSP, Static Route, PBR, IPSEC,GRE-tunnels, SSL VPN, OpenVPN, DMVPN, QoS,IPSLA, IPFlow, AAA, VLANs, Ether Chanel, VTP, SPT, 802.1x,Arp spoofing, Dhcp snooping etc..
(Cisco, HP, DELL, Aruba, Mikrotik,D-Link, Force10).

Virtualization:
 ESXi5.5-, 7.0 - VM Cluster, vMotion, High Availability,  VDP, DRS,  Distributed switches,etc..
OpenVZ/KVM (Proxmox VE).  MS Hyper-V.

Nagios and Zabbix monitoring implementation, custom templates. Syslog, Radius, Ansible.

PowerShell - automation  AD and Exchange processes.
 Python - automation of simple network processes.