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 - 2005.01
Bachelor of Science - Specialist Degree in Cryogenic Physics
National Technical University “Kharkiv Polytechnic Institute”
Kharkiv, Ukraine 01.1997 - 2003.01
Skills
Full cycle of design, building, configuration and setup local networks
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 - 2005.01
Bachelor of Science - Specialist Degree in Cryogenic Physics
National Technical University “Kharkiv Polytechnic Institute”
01.1997 - 2003.01
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