Oleksandr

Oleksandr Kozachynskyi
[open contact info](look above in the "contact info" section), [open contact info](look above in the "contact info" section), Odesa, Ukraine.

Personal Summary

System and network administrator with 20+ years of experience in system maintenance and troubleshooting,
servers infrastructure planning and support, network installation and configuration. Have a lot of experience
in supporting operating systems, cloud infrastructure, installation and configuration server operating systems,
VoIP infrastructure, network appliance, 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.

Work Experience
UNICEF, UN Children’s Fund​
​ ICT Associate, Sep 2023 - present
​ Duties:
●​ Manage and organize all ICT systems and offer ICT related services for field offices.
●​ Support the ICT team in design and installation of ICT infrastructure.
●​ Visit other field offices sites for technical support and projects roll out.
●​ Independently install, maintain, repair and monitor ICT equipment in line with UNICEF standards.
●​ Oversee and monitor the set up of ICT Infrastructure.
●​ As a part of support services handles customer/staff query and escalate as per the ICT policy.
●​ Monitor and ensure that 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, Aug 2022 - Sep 2023
​ Duties:
●​ Manage and organize all ICT systems and offer ICT related services.
●​ Support the ICT Engineer in design and installation of ICT infrastructure.
●​ Visit other ICRC sites for technical support and projects roll out.
●​ Independently install, maintain, repair and monitor ICT equipment in line with ICRC standards.
●​ Oversee and monitor the set up of ICT Infrastructure ICRC office.
●​ As a part of global support services handles customer/staff query and escalate 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 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, Jan 2006 - Aug 2022
Duties:
●​ 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, MsSQL).
●​ Troubleshooting technical problems and implementing solutions.
●​ Providing technical support.
●​ Purchasing of IT Equipment and software in line within agreed budgets.

LLC “F-Klan International”
System Administrator and Service Engineer, Jun 2004 - Dec 2005
Duties:
●​ Service center engineer.
●​ Managing IT infrastructure (network, workstations, mail and database servers).
●​ Managing PBX systems.

SPE “Ecomen”
System administrator, Dec 1998 - May 2004
Duties:
●​ all IT needs for the small company.

Key Skills and Competencies

●​ Computer networks (TCP/IP, VPN, DNS, SSH etc).
●​ Cloud infrastructure (Google Workspace, selfcloud, RDP).
●​ Network security and remote access.
●​ Network appliances (Mikrotik, Ubiquiti, Tp-Link, FortiNet, Cisco, HP).
●​ Diagnostic and troubleshooting computer hardware.
●​ Remote management.
●​ Supporting desktop systems (Microsoft Windows, Linux, a bit of MacOs).
●​ Installation and configuration server systems (Microsoft Windows Server 2007-2012, Linux,
OpenBSD).
●​ Network cabling.
●​ Database management (MSSQL, Sybase, MySQL, PostgreSQL).
●​ VoIP (SIP, Asterisk, Grandstream PBX, softphones).
●​ Virtualization (KVM, Hyper-V).
●​ Scripting (Bash, PowerShell).
●​ Russian (native), Ukrainian (native) and English(intermediate).