Position: System administrator
Category: Sysadmin
English level: pre
Years of experience: 10


Senior Linux System Administrator
ACgrup 
Administrate network about 100 computers and servers in general office and 3 branch offices (20 - 25 servers) in 3 region of the Ukraine. Manage big telecommunication infrastructure, based on Mikrotik routers, Edge routers (Ubiquiti), more than 3 WAN channels (VPN, MPLS, DHCP,ACL,RADIUS,NAT,Route,PPTP,VLAN,GRE, Openvpn, IPSEC, Wireguard). Administration dedicated servers in Ukraine and Genmany (Hetzner). Host virtualization server on kvm/vmware, with high availability (HA). Administration Windows 2008/2019 Servers (AD,GPO,RDP,DHCP,WSUS,MSSQL,IIS etc.). Administration of web server, DDos protection L2-L3 level filtering, application-level security nginx, apache, using WAF, iptables, ipset. Backup-standard scripts, Acronis, bacula. Maintenance RAID, NAS, Ceph. FS zfs, btrfs. Setup and maintenance 1C servser, Medoc network server and other applications, services for accounting. Mail server- Zimbra.Administrate network about 100 computers and servers in general office and 3 branch offices (20 - 25 servers) in 3 region of the Ukraine. Manage big telecommunication infrastructure, based on Mikrotik routers, Edge routers (Ubiquiti), more than 3 WAN channels (VPN, MPLS, DHCP,ACL,RADIUS,NAT,Route,PPTP,VLAN,GRE, Openvpn, IPSEC, Wireguard). Administration dedicated servers in Ukraine and Genmany (Hetzner). Host virtualization server on kvm/vmware, with high availability (HA). Administration Windows 2008/2019 Servers (AD,GPO,RDP,DHCP,WSUS,MSSQL,IIS etc.). Administration of web server, DDos protection L2-L3 level filtering, application-level security nginx, apache, using WAF, iptables, ipset. Backup-standard scripts, Acronis, bacula. Maintenance RAID, NAS, Ceph. FS zfs, btrfs. Setup and maintenance 1C servser, Medoc network server and other applications, services for accounting. Mail server- Zimbra.
 Access Softek
Tech Support EngineerTech Support Engineer
Access Softek
Install, configure and troubleshoot mobile and online banking software developed and supported by Access Softek based on Windows Server + SQL server and .Net platform, integrate with third party