Job responsibilities: *nix operating systems administration (CentOS) CI/CD infrastructure administration (Gitlab CI) Automation routine tasks with scripts (bash, Python) Configuration management (Ansible, Salt) Kubernetes administration Helm, jinja2 templates Prometheus + Grafana monitoring Version control systems (Git) Dell servers, cisco switches, arista switches provisioning automotisation

Job responsibilities: Hypervisors administration (VMWare esxi 6.5) Network infrastructure monitoring server administration (zabbix) *nix operating systems administration (CentOS, SLES) Linux services administration (apache web server, nginx reverse proxy, firewalld firewall, mysql database, postgresql database, bind dns server, squid proxy server, dante proxy server, openvpn) CI/CD infrastructure administration (Gitlab, Docker, Docker-compose) Automation routine tasks with scripts (bash, PHP, JS, Python) Preparing technical requiements and job requests Performing operations in a cloud environment (DigitalOcean, AWS) Veeam backup and replication Version control systems (Git) Configuration management (Ansible) Auto deployment scripts for Vagrant Cisco network equipment and software administration (switches, routers , firewalls) Microsoft domain systems administration Achievements: Implementation of CI/CD infrastructure (7 dockerized applications, 3 developers, 3 standalone Docker hosts, tests)

Job responsibilities: Cisco network equipment and software administration (switches (IOS/NXOS), routers (IOS/IOS-XE), ASA with FirePOWER Services, WLC, ISE, PI) VoIP systems administration (CUCM, UCCX, Unity, QM, Panasonic PBX) Hypervisors administration (esxi 5.5 – 6.5) Network infrastructure monitoring server administration (zabbix) *nix operating systems administration (CentOS, SLES) Servers configuration and maintenance (Cisco, Dell, Intel, IBM) Work with project documentation Working with system integrators Preparing technical requiements and job requests Achievements: Integration between CUCM and Panasonic PBX for Panasonic DECT system usage within CUCM cluster

Job responsibilities: Cisco network equipment administration (switches (IOS), routers (IOS)) VoIP systems administration (Panasonic PBX) Hypervisors administration (Hyper-V) Microsoft domain systems administration Network infrastructure monitoring server administration (zabbix) *nix operating systems administration (CentOS, SLES) Servers configuration and maintenance (IBM) Work with project documentation Working with system integrators Preparing technical requiements and job requests HelpDesk Achievements: Participate in opening of biggest gambling and resort complex in Russia (about 700 slot machines, about 60 gaming tables, about 150 hotel rooms, about 500 PC users) Implementation of it infrastructure for temporary office (domain infrastructure, network infrastructure, VPN, VoIP, about 200 users)

Job responsibilities: Microsoft domain infrastructure administration Windows Server operating systems administration (2003, 2008 R2) *nix operating systems administration (Debian, Ubuntu, CentOS, SLES) Linux services administration (apache web server, nginx reverse proxy, iptables firewall, mysql database, postgresql database, bind dns server, kvm, openvz) HelpDesk Hypervisors administration (VMWare esxi 5.5, Proxmox) Network equipment administration (Cisco switches (IOS), Mikrotik, Sophos, Ubiquiti) Network infrastructure monitoring server administration (zabbix) Servers configuration and maintenance (HP, Supermicro) Wrighting manuals for juniour system administrators Automation routine tasks with scripts (bash, PHP) Configuration management (Ansible) Performing operations in a cloud environment as software (AWS) Version control systems (Git, SVN) Redmine bug tracking system usage Achievements: Branch office virtualization servers implementation (Proxmox) Zabbix server implimentation Network VLAN partitioning Basic network security implementation (ACL on Cisco switches) Microsoft DHCP server implementation

Job responsibilities: Cisco network equipment administration (switches (IOS), ISR, ASA, WLC, CUCM) Network infrastructure monitoring server administration (zabbix) Polycom equipment administration (Videoconferencing system, DECT telephone system) *nix operating systems administration (CentOS) Linux services administration (apache web server, iptables firewall, mysql database) Track bug tracking system usage and administration DokuWiki usage and administration HelpDesk Remote User support Automation routine tasks with scripts (bash, PHP)

Job responsibilities: Microsoft domain infrastructure administration (Active Directory, GPO, Print Server, File Server, WSUS, DNS/DHCP) Windows Server operating systems administration (2003, 2008 R2) *nix operating systems administration (CentOS) VMWare hypervisor administration (esxi 5.5) Network infrastructure monitoring server administration (zabbix) Network equipment administration 3COM/HP (L2) HP servers configuration and maintenance Achievements: Zabbix server implimentation

Job responsibilities: Novell domain systems administration (eDirectory, netmail+nims, DNS/DHCP, ZenWorks, NSS, Clustering). Linux and freebsd services administration (squid+SAMS proxy server, bind dns server, apache web server, pf firewall, quagga routing suit, apache tomcat) *nix operating systems administration (NetWare 6.5, SLES 10-11, CentOS) Network equipment administration 3COM/HP (L2) Configuration management (Puppet) MantisBT bug tracking system usage and administration Automation routine tasks with scripts and programs (Delphi, Perl, PHP) HP servers configuration and maintenance HelpDesk Remote User support Computer equipment repair Office equipment repair Back up users data Achievements: Migration domain structure from Netware 6.5 to SLES 11 + OES Migration from Zenworks 7 to Zenworks 11 Authoritative name server implimentation (CentOS, bind)

Job responsibilities: HelpDesk Remote User support Computer equipment repair Office equipment repair

Job responsibilities: HelpDesk Remote User support Computer equipment repair Office equipment repair