Position: System administrator
Category: Sysadmin
English level: pre
Years of experience: 1.5


I worked Operator at Delta Telecom Ltd. There was work about monitoring, answer to calls, e-mails, contact with customers about their requests and redirection to engineers.

Then worked at Connect LLC. My position was IT Technician at IT Department. I controled computers, phones, servers, switches, if appear problems solved thees, did troubleshoot. Provided uninterrupted internet and local network connection, filtered user's requests. Created profils for new users in Active Directory, applied Group Policy on users.

I work System Administrator at A2Z technologies.

Installation of the network equipment:
Cisco Unified Communications Manager Express, Cisco / HP / 3com / EdgeCore Switches, Cisco Routers, HP ProLiant G7,8,9
Automatic configuration Cisco network equipments with Python Script
Networking:
Switching: STP, VTP, HSRP, PVLAN, UDLD, DHCP Snooping, EtherChannel, MPLS.
Routing: IPV4/IPV6 Static Routing, RIP, EIGRP, OSFP, BGP, PIM, Access List, SCCP, SIP, RTP.
WLC (Wireless LAN Controller) – HP / Cisco
VPN: L2TP, IPsec, OpenVpn
General knowledge about Data Base, PL/SQL:
Create, Drop, Alter tables Insert, Update, Delete datas to tables Search and prepare report with select commands Data İntegrity Constraints Entity - Relationship
Installation, administration of:
MS Windows Server 2008 / 2012 / 2016 / 2019
Windows Active Directories: creating forest, users, working with permissions, GPO
Microsoft Exchange Server 2019
IIS Web Server
Office 365 / Skype for Business
Redhat Linux – CentOS 7:
Create users, groups and give permissions to users, groups
Create partitions on physical disk
File Sharing with Samba server
Selinux, Firewall
Networking – NAT, Routing, Port forwarding, DHCP, DHCP Relay, DNS,
NIC Teaming (Bounding), NLB
LDAP - DS-389, Samba-4
Installation, administration of Red Mail
Apachi, NGINX web servers, SSL, FTP, TFTP
FreeBSD
Bash Scripting
Virtualization:
KVM, VMware Workstation, Hyper-V, VirtualBox, ESXI, vCenter Server:
creating virtual machines, working with snapshots, backup
Veeam Backup and Replication
Firewalls - Kerio Control, PFSENSE:
filtering HTTP requests, speed limitation, monitoring, NAT, site to site VPN, DHCP, Port forwarding, create rules, VLAN, Captive Portal, LAGG
Asterisk on base Centos:
Installation, maintenance, working with sip.conf, extensions.conf, features.conf, configuring Can create & maintain office telephony
To work according to my knowledge