Volodymyr Kukharenko
System Administrator / DevOps Engineer / Tech Support Engineer
Prague
Summary
Applying to the position of a system administrator / DevOPS engineer / Support engineer
Overview
20
20
years of professional experience
4
4
Certifications
4
4
Languages
Work History
Support technical engineer
IT product company Mirantis
Praha
09.2021 - Current
- Support products of company MOSK, MCP, Lens ets
- Executed troubleshooting and server support in both in-person and remote situations.
- Maintained service schedule for software and hardware.
- Provided technical support in both on-site and telephone consultations.
- Collaborated with other departments to facilitate successful project completion.
- Documented and developed engineering procedures and processes.
System administrator
IT company ITSyndycate
Kharkiv
09.2020 - 05.2021
- 24\7 Support of different remote servers with UNIX operating system, different services
- Cloud technologies (AWS, GC).
- Devised scripts and automation tools to improve system efficiency.
- Planned and implemented upgrades to system hardware and software.
- Analyzed network traffic and performance metrics to optimize system performance.
- Developed and documented network policies, procedures and standards.
- Implemented and maintained virtual private networks.
- Maintained flexible schedule and responded to after-hours and weekend emergencies.
- Analyzed complex project server issues and worked on large enterprise and business-critical applications.
Deputy general director for technical issues
IT company ITCraft
Kharkiv
09.2018 - 09.2020
- Purchase of equipment, installation, repairment and configuration of equipment, User support, Equipment inventory, and different organizational matters.
- Provisioned new software and hardware for use, following established security policies.
- Worked with users to determine areas of technology in need of improved usability.
- Installed and configured network printers and other peripheral devices.
- Diagnosed and resolved hardware and software issues.
System administrator
IT company ITCraft
Kharkiv
09.2012 - 09.2018
- 24\7 Support of different remote servers with UNIX and Windows operating systems, different services (video streaming, big internet markets, hosting companies etc.)
- Cloud technologies (local and remote), DNS setup, Security solutions for remote servers and private networks.
- Identified and resolved network congestion issues and bottlenecks.
- Analyzed complex project server issues and worked on large enterprise and business-critical applications.
- Led server infrastructure development, quality assurance, staging and production systems.
- Responded to support requests from end-users and patiently walked individuals through basic troubleshooting tasks.
- Provided guidance on installing and integrating new hardware components and software to remote clients.
- Updated and maintained current customer support database.
- Explained technical information in clear terms to promote better understanding for non-technical users.
Head of IT Department
Ltd Shivorot Navyvorot
Kharkiv
09.2011 - 09.2012
- Purchase of equipment, installation and configuration of equipment, servers and enterprise services
- User support
- More than 200 PCs, more than 30 servers and more than 50 remote points of sale under management. The 4 engineers in my team.
- Identified issues, analyzed information and provided solutions to problems.
- Removed malware, ransomware, and other threats from laptops and desktop systems.
- Developed and implemented preventive maintenance procedures.
- Maintained servers and systems to keep networks fully operational during peak periods.
- Researched and identified solutions to technical problems.
- Created user accounts and assigned permissions.
- Diagnosed and troubleshot hardware, software and network issues.
- Installed, configured and maintained computer systems and network connections.
- Configured hardware, devices, and software to set up work stations for employees.
System administrator
Ltd OKS
Kharkov
09.2010 - 09.2011
- Full IT support of small companies in Kharkiv, Network building, user support, services configuration, non-standard solutions for business etc.
- Provided input on hardware and software purchasing, prioritizing return on investment to optimize IT spending.
- Managed backup and disaster recovery through strict data control and retention policies, personally handling recovery tasks when issues arose.
- Researched and recommended new technologies and strategies for improving system performance.
- Diagnosed and executed resolution for network and server issues.
- Installed and configured network printers and other peripheral devices.
- Planned and implemented upgrades to system hardware and software.
- Implemented, developed and tested installation and update of file servers, print servers and application servers.
- Identified and resolved network congestion issues and bottlenecks.
- Diagnosed and resolved hardware and software issues.
Lead system administrator
Ltd Kulinichi
Kharkiv
09.2008 - 09.2010
- Purchase of equipment, installation, and configuration of equipment, servers, and enterprise services
- User support
- More than 200 PCs and 20 servers under management.
- 3 people in my team
- Diagnosed and resolved hardware and software issues.
- Designed and evaluated WAN and LAN connectivity technologies.
- Developed and documented network policies, procedures, and standards.
Technical expert of network building
ISP Scana
Kharkov
09.2003 - 09.2008
- Full process of home network building in 3 regions of Kharkiv from scratch.
- Responded to customer inquiries and provided technical assistance over the phone and in person.
- Directed strategic planning in diverse business areas.
Engineer of telecommunications
UkrTelecom
Kharkov
09.2005 - 09.2008
- Technical specialist of telecommunication equipment on analog telephone exchanges in Kharkov.
- Analyzed user-generated trouble with telecommunication equipment to determine causes of problems and took appropriate action for resolution.
- Performed day-to-day monitoring, management, administration and support of alarm systems.
Education
Bachelor of Science - Specialist Degree in Telecommunication Technology
Kharkiv National University of Radioelectronics
Kharkiv, Ukraine 01.2003 - 01.2005
Bachelor of Science - Specialist Degree in Cryogenic Physics
National Technical University “Kharkiv Polytechnic Institute”
Kharkiv, Ukraine 01.1997 - 01.2003
Skills
Full cycle of design, building, configuration and setup local networks
The full process of remote customer support as tech support L1\L2
Virtualization and cloud systems
OS UNIX servers support
The full process of local technical support as system administrator, OS Unix, and Windows workstation support
Database Management (MariaDB, MySQL, MSSQL etc)
Web services managemant (DNS, Mail, HTTP servers, and additional services)
Servers expertise (local and remote)
Accomplishments
- Full cycle of design, building, configuration, and setup of local home networks in 3 regions of Kharkiv from scratch, with ISP “Scana” company as Technical expert of network building and co-owner of this project .
- All customers from all companies were happy to work with me. I think this is my highest accomplishment
Additional Information
Family: Married, 3 children.
Citizenship: Ukrainian
Current Location: Prague, Czechia
VISA: dočasná ochrana
Hobbies: I like to play paintball and ping-pong, travel with my family, and play the guitar.
Certification
Certificate “Оperation system UNIX”
Timeline
Support technical engineer
IT product company Mirantis
09.2021 - Current
Linux Academy "Kubernetis Quick Start"
08-2021
Linux Academy "Docker Quick Start"
07-2021
System administrator
IT company ITSyndycate
09.2020 - 05.2021
Deputy general director for technical issues
IT company ITCraft
09.2018 - 09.2020
System administrator
IT company ITCraft
09.2012 - 09.2018
Head of IT Department
Ltd Shivorot Navyvorot
09.2011 - 09.2012
System administrator
Ltd OKS
09.2010 - 09.2011
Lead system administrator
Ltd Kulinichi
09.2008 - 09.2010
Certificate “Administration servers with UNIX system”
01-2006
Engineer of telecommunications
UkrTelecom
09.2005 - 09.2008
Certificate “Оperation system UNIX”
01-2005
Technical expert of network building
ISP Scana
09.2003 - 09.2008
Bachelor of Science - Specialist Degree in Telecommunication Technology
Kharkiv National University of Radioelectronics
01.2003 - 01.2005
Bachelor of Science - Specialist Degree in Cryogenic Physics
National Technical University “Kharkiv Polytechnic Institute”
01.1997 - 01.2003