Андрій

Tymoshenko Andrii Tech Support / Sys Adm / Junior DevOps
[відкрити контакти](див. вище в блоці «контактна інформація») [відкрити контакти](див. вище в блоці «контактна інформація») Kyiv, Ukraine
[відкрити контакти](див. вище в блоці «контактна інформація»)

SUMMARY
IT Professional with 8+ years of experience in System Administration and Technical Support. Strong background in
managing Linux/Windows server environments, maintaining office IT infrastructure, and utilizing system monitoring tools.
Skilled in configuring network equipment (including Cisco hardware), managing remote sites,managing enterprise
surveillance systems (Milestone VMS) and troubleshooting complex hardware/software issues. A reliable and practical
problem-solver focused on ensuring stable system uptime and delivering effective technical support focused on ensuring
stable system uptime and delivering effective technical support. Actively expanding technical expertise into the DevOps
domain (Infrastructure as Code, automation, and modern web architectures)

PROFESSIONAL EXPERIENCE
System Administrator 07/2019 | Kyiv, Ukraine
De Facto Corp
Full-cycle infrastructure management and administration of the enterprise IP-video surveillance system (Milestone
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XProtect VMS).
Administered and maintained a virtual server farm utilizing VMware ESXi hypervisor, including resource allocation,
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performance optimization, and provisioning.
Configured and maintained Zabbix infrastructure monitoring environments to ensure high system availability and uptime.
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Managed and maintained Nginx web servers, including SSL/TLS certificate updates and log analysis for troubleshooting.
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Supported ownCloud file-sharing systems, managed Active Directory domain services, and implemented proper NTP
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network time synchronization.
Configured and optimized MySQL database tables for system health, dropped obsolete data, and managed automated
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backup strategies via Veeam and manual snapshots.
Maintained and troubleshot local and remote network infrastructure utilizing Cisco routing and switching hardware.
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System Administrator Assistant 02/2018 – 06/2019 | Kyiv, Ukraine
ALFA LLC
Assisted in administering Windows Server environments, Active Directory, DNS, and DHCP core infrastructure services.
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Supported corporate file servers, corporate mail servers, and managed basic Asterisk IP telephony routing.
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Managed network switching, performed LAN patch panel termination, and set up new employee workplaces from scratch.
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Performed basic database management and query execution via phpMyAdmin.
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Maintained virtual machines using VMware vSphere and deployed analog video surveillance hardware.
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System Administrator Assistant 07/2017 – 02/2018 | Kyiv, Ukraine
BlackSea TV- and Radio- Company & Public Movement "Sila Prava"
Provided comprehensive technical support and workplace organization across multiple corporate branches.
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Maintained accurate IT asset management (ITAM) records and hardware inventories.
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Managed user accounts and permissions within Active Directory.
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Assisted in configuring local network equipment, file sharing, and internal mail servers.
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Customer Support Engineer 02/2017 – 05/2017 | Kyiv, Ukraine
OPTIMA-PHARM, LTD
Delivered first-line technical support, resolving hardware and software issues for company employees.
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Set up and deployed end-user workplaces, including thin clients, PCs, office printing equipment, and barcode scanners.
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Administered user objects and access groups in Active Directory.
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Assisted with local network switching, mapping topology, and basic IP telephony programming.
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EDUCATION
National Aviation University 2013 – 2017 | Kyiv, Ukraine
Bachelor
Security of information and communication systems
 SKILLS
Operating Systems Monitoring & Logging
Linux (Ubuntu, CentOS), Windows Server, Windows Zabbix
10/11, macOS
DevOps & Automation
Networking Git (Version Control), CI/CD pipelines (conceptual
TCP/IP, DNS, DHCP, VPN, LAN/WAN configuration, knowledge), Application Build & Packaging (Java, Node.js,
routing & switching, SSL/TLS Fundamentals Python), Multi-tier LAMP Stack deployment (distributed
web & database nodes)
Technical Support & IT Operations
Hardware & software troubleshooting, remote assistance Virtualization
tools (AnyDesk, TeamViewer), OS deployment, registry & VMware ESXi (resource allocation, VM management,
driver issue resolution, Helpdesk / Ticketing Systems, snapshot creation & recovery)
Milestone XProtect VMS (server maintenance, camera
configuration, driver and registry troubleshooting) Web Servers
Nginx (log analysis, SSL/TLS certificate management, web
Backup & Recovery content deployment), Apache HTTP Server
Manual backups, disaster recovery basics
Infrastructure Services
Databases Active Directory
MySQL/SQL (table maintenance, optimization), MongoDB
(basic concepts & introductory labs)
Data Formats & Querying
YAML, JSON, JSON Querying / Parsing (jq)

LANGUAGES
English — Intermediate | Ukrainian — Native

CERTIFICATES
Cisco Certified Network Associate (CCNA): Routing and Switching