Олександр

Oleksandr Kozachynskyi
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oleksandr-kozachynskyi
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Summary

System and network administrator with 20+ years of
experience in system maintenance and troubleshooting,
server infrastructure planning and support, and network
installation and configuration. I have extensive experience
in supporting operating systems, cloud infrastructure,
server installation and setup, VoIP infrastructure, network
appliances, computer hardware, and user support.
Looking for a career advancement opportunity with a
company that will challenge my problem-solving skills and
allow me to develop my knowledge and potential.

Skills Work history

• Computer networks (TCP/IP, VPN, UNICEF, UN Children’s Fund, Odesa, Ukraine
DNS, SSH, etc.) and network cabling. ICT Associate, Sep 2023 - Sep 2025
• Cloud infrastructure (Google UNICEF - an agency of the United Nations responsible for
Workspace, self-cloud, RDP). providing humanitarian and developmental aid to children
• Network security and remote access. worldwide.

• Network appliances (Mikrotik,
Ubiquiti, TP-Link, Fortinet, Cisco). International Committee of the Red Cross, Odesa, Ukraine
• Diagnostic and troubleshooting ICT Specialist, Aug 2022 - Sep 2023
computer hardware. The International Committee of the Red Cross (ICRC) is a
humanitarian organization based in Geneva, Switzerland. The
• Remote management and support.
organization has played a pivotal role in the development of
• Supporting desktop systems
international rules of war and the promotion of humanitarian
(Microsoft Windows, Linux, a bit of norms.
macOS).
• Installation and configuration of LLC “Termopal Ltd.”, Odesa, Ukraine
server systems (Microsoft Windows System Administrator, Jan 2006 - Aug 2022
Server 2007-2022, Linux, OpenBSD). Founded in 2000, the company provides an exclusive
• Database management (MSSQL, business-class service in Ukraine and is an expert on trends
Sybase, MySQL, PostgreSQL). and features of the furniture market. The company’s clients
• VoIP (SIP, Asterisk, Grandstream PBX, include more than 1,000 enterprises from the furniture
softphones). industry, located in various regions of Ukraine.

LLC “F-Klan International”, Odesa, Ukraine
Languages System Administrator and Service Engineer,
Jun 2004 - Dec 2005
• Ukrainian (native)
• Russian (native) SPE “Ecomen”, Odesa, Ukraine
• English (intermediate). System administrator, Dec 1998 - May 2004
Work duties

UNICEF, UN Children’s Fund, ICT Associate
• Manage and organize all ICT systems and offer ICT-related services for field offices.
• Support the ICT team in the design and installation of ICT infrastructure.
• Visit other field office sites for technical support and project rollout.
• Independently install, maintain, repair, and monitor ICT equipment in line with UNICEF standards.
• Oversee and monitor the setup of ICT Infrastructure.
• As a part of support services, handles customer/staff queries and escalates as per the ICT policy.
• Monitor and ensure that the existing ICT infrastructure is functional.
• Ensure that global/country-level policies and procedures are implemented and adhered to.
• Conduct end-user briefings and training centering on the UNICEF ICT systems.
• Develop and update the technical documentation for all ICT equipment.

International Committee of the Red Cross, ICT Specialist
• Manage and organize all ICT systems and offer ICT-related services.
• Support the ICT Engineer in the design and installation of ICT infrastructure.
• Visit other ICRC sites for technical support and project rollout.
• Independently install, maintain, repair, and monitor ICT equipment in line with ICRC standards.
• Oversee and monitor the setup of the ICT Infrastructure ICRC office.
• As a part of global support services, handles customer/staff queries and escalates as per the ICT policy.
• Ensure ICT inventory is updated regularly, carry out regular physical checks, and maintain adequate stock
levels in the field office.
• Monitor and ensure that the existing ICT infrastructure is functional.
• Ensure that global/country-level policies and procedures are implemented and adhered to.
• Interact with suppliers and service providers and ensure adherence to ICRC logistics and ICT procedures in
all transactions.
• Conduct end-user briefings and training centering on the ICRC ICT systems.
• Develop and update the technical documentation for all ICT equipment.

LLC “Termopal Ltd.”, System Administrator
• Installing, managing, and monitoring a multi-site IT infrastructure (workstations, servers, VoIP PBXs, printers,
wired and wifi networks, web servers).
• Adding, updating, and monitoring IT user accounts (local, Google Workspace, servers).
• Applying solutions for remote users (VPN, RDP, thin clients).
• Deploying and managing cloud infrastructure (dedicated servers, VPS).
• Database management (MSSQL, SQL Anywhere).
• Supporting development team (1C, MS SQL).
• Troubleshooting technical problems and implementing solutions.
• Providing technical support.
• Purchasing of IT Equipment and software in line with agreed budgets.

LLC “F-Klan International”, System Administrator and Service Engineer
• Service center engineer.
• Managing IT infrastructure (network, workstations, mail, and database servers).
• Managing PBX systems.

SPE “Ecomen”, System administrator
• All the IT needs for the small private company.