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Oleh Martynenko
Senior Infrastructure System Administrator

Summary
Details
Adept System Administration Specialist with 10 years of hands-on experience, focused on
analyzing challenges, generating functional specifications, process automations, Prague, CZ
implementing scalable and cost-effective solutions. [открыть контакты](см. выше в блоке «контактная информация»)
I would like to use a deep technical foundation for IT infrastructure management. I utilize Strong Critical [открыть контакты](см. выше в блоке «контактная информация»)
Thinking to proactively analyze and investigate potential challenges, efficiently fulfill ad-hoc requests,
and ensure system performance while supporting end-users and engineering teams in making informed LinkedIn
business decisions.

Languages
Employment History English – Advanced
System Administration Specialist at Evrius s.r.o., Prague, CZ Ukrainian – Native
June 2023 — June 2025 Czech – Basic
• Provided advanced administration for key SaaS, including Google Workspace,
Atlassian suite, Slack, Azure AD and securing user access through IAM/SSO principles. Soft Skills
Implemented access control (IAM) and secure password management via Bitwarden. Proactive
Strong Critical Thinking
• Expertly managed multi-cloud and server infrastructure, server deployments for Multitasking
specialized department needs, as well as environments like Google Cloud, Complex Problem Solving
Microsoft Azure, AWS, Proxmox, Digital Ocean, Hetzner.
Certification
• Responsible for the entire user lifecycle in interaction with HR department. Reduced
Onboarding/Offboarding time by 30%. Automated routine IT operations and tasks such Amazon Web Services
as access provisioning, system monitoring, and inventory management. AWS Certified Cloud
Optimized workflows using scripting and AI agents from Make and n8n. Practitioner

• Configured, maintained, and optimized the company's network infrastructure, Google Cloud Education
Google Workspace
utilizing MikroTik and Ubiquiti UniFi, VPN configurations, and proactively resolved
Administration |
complex network issues. Google Cloud Infrastructure
• Oversaw corporate domain management, including registration, transfers, status
monitoring, and proactive response to complaints, ensuring continuous online presence. Povolení k dlouhodobému
• Managed comprehensive IT asset lifecycle, including procurement, inventory, hw pobytu v Česku na 5 let
maintenance for Windows and macOS workstations. Measured budget efficiency,
Driving licenses: (EU)
detailed license and tariff optimization for core platforms (Google Workspace, MS 365,
ABC
Adobe, Apple Business Manager, MDM), achieved high budget efficiency and ensured
optimal resource utilization.
• Administered critical enterprise systems, including Time Tracking, project
management platforms (Atlassian suite, BitBucket, ClickUp, PeopleForce), provided
access to accounts, and resolved all related security/access issues to support overall IT
infrastructure_operations.

System Administration Specialist at Distribution Company EUROMIX, Dnipro, Ukraine
February 2017 — March 2023
10 separate offices. L1/L2/L3 support to end user’s Jira requests.
● Active Directory, DNS and VPN services, hardware maintenance, software requests,
procurement of computer equipment;
● Created a new local network for 100 computers, launched and configured AD, DHSP,
MikroTik Wi-Fi and routing.
● Installed and supported Ajax security, video surveillance, door access control
systems;
Project Manager at Distribution Company "EUROMIX", Dnipro, Ukraine
February 2022 — October 2025 (part-time)
● Provided support for corporate mobile app development workflow.
● Managed of the business processes and cooperated with team in IT department using
JIRA and Slack instruments;
● Created functional requirements, use cases, business processes, and another project
documentation;
● Forecasted potential risks and faults, proposed solutions to avoid them;
● Systematized of practices, updated manuals, and conducted personal meetings for
the purpose of training employees.
System Administrator at Astarta-Kyiv, UA
February 2014 — February 2017
• Managed core IT infrastructure (network systems, servers, and VoIP solutions), while
coordinating the centralized deployment of new software and services to end-user
workstations.

Education
Master degree in Information systems and technologies,
Simon Kuznets Kharkiv National University of Economics, Ukraine
September 2009 — July 2014

Professional competencies of the graduate in «Computer sciences»
Academic Recognition (Nostrification): Valid for employment/further study in the Czech Republic.
Successfully recognized by Higher School of Economics in Prague (VŠE) in 2025 as equivalent
to a Czech Master’s degree in Economic Informatics.