Маю багатий опит з адміністрування Linux, network stack configuration, virtualization, etc, system and network troubleshooting, installing, maintaining, and repairing hardware, software, peripherals, and networks, real-time monitoring (Nagios, Centrion, Monit, Checkmk).

SUMMARY OF QUALIFICATIONS
● More then 15 years of cross­-platform experience in system administration, including analyzing, installing, maintaining, and repairing hardware, software, peripherals, and networks.
● Superior troubleshooting and technical support abilities including network connectivity, security and database applications.
● Excellent communication and troubleshooting skills.
● Highly motivated, self driven and eager to learn new technology.
● Intermediate level of English skills.(correspondence)
SKILLS AND KNOWLEDGE
Networking:
● General network technologies (TCP/IP, Services, Protocols,..)
● Layer 2+3 Switching
● Firewall & VPN Administration
Linux/Unix/Virtualization:
● RedHat/CentOS/Ubuntu/Slackware etc
● Virtualization (XenServer, KVM, OpenVZ, Docker)
● Bash Scripting
● LAMP, EasyApache, LightHTTP, Nginx
● DNS (Bind, PowerDNS)
● Real time monitoring (Nagios, Centrion, Monit, Checkmk)
● Optimization of highly loaded systems
● Troubleshooting of Web, DNS, FTP and databases servers.
● Advanced knowledge of hosting control panels (Cpanel/WHM, DirectAdmin, ISPconfig)

Backup and Recovery:
● Backup and disaster recovery, implementation and troubleshooting.
● Knowledge of Bacula, Cpanel/WHM backups, R1soft
● Basic knowledge about SAN ( iSCSI, )

Software​:
Nagios, Monit, phpMyAdmin, pgMyAdmin​, Sendmail, Exim, Postfix, Bind, PowerDNS, Mysql, MariaDB, Postgres, iptables, ConfigServer Security & Firewall (csf), Config server exploit scanner (cxs), CMSs such as Joomla, Wordpress, phpBB, Magento etc., Docker, Redis, Git
● Basic software development skills.
PROFESSIONAL EXPERIENCE

Oracle Jan 2022 – Mar 2022

● Providing systems administration support for Unix systems including server installations, configurations, upgrades, backup and disaster recovery monitoring.
● Customer support

Freelance Sept 2020 – Jan 2022

WizerBrand May 2020 - Aug 2020 – Senior System Administrator/DevOps

● Providing systems administration support for Unix systems including server installations, configurations, upgrades, backup and disaster recovery monitoring
● Providing systems administration support for Unix systems including server installations, configurations, upgrades, backup and disaster recovery monitoring
● Support for development team with database optimizing, configuration development environment
● Creating and support development team docker environment
● Support AWS services


Quadranet.com Sept 2018 - Apr 2020 – Senior System Administrator

● Providing systems administration support for Unix systems including server installations, configurations, upgrades, backup and disaster recovery monitoring, user account setup and security administration.
● Providing online support to customers in HelpDesk tickets. Troubleshooting customer questions, issues and complaints and providing accurate and appropriate information in response to customer inquiries.
● Providing systems administration support for Unix systems including server installations, configurations, upgrades, backup and disaster recovery monitoring
● Detecting abusive accounts and providing monitoring services to keep servers’ performance on the appropriate state with maximum functionality and availability.
● Installation and configuration new servers, including hardware and software RAID, Linux, Windows system, configuration network settings
● Recommending new updates and changes required by the clients.
● Immediate reaction regarding monitoring problems

Namecheap Nov 2011 - Jun 2018 – System Administrator, Techops
● Providing systems administration support for Unix systems including server installations, configurations, upgrades, backup and disaster recovery monitoring, user account setup and security administration.
● Providing online support to customers in chats and Helpdesk tickets. Troubleshooting customer questions, issues and complaints and providing accurate and appropriate information in response to customer inquiries.
● Creating proactive procedures for problem preventions and resolutions, analyzed issues, and designing solutions.
● Detecting abusive accounts and providing monitoring services to keep servers’ performance on the appropriate state with maximum functionality and availability.
● Conducting periodic performance and security tests on existing servers.
● Recognizing and providing sales team with any possible upsell opportunities.
● Maintaining the timely backup of important data and management resources.
● Recommending new updates and changes required by the clients.
● Immediate reaction regarding monitoring problems


Education:
National Technical University of radio electronics in Kharkov, 1995-­2000