Marko

Marko Korzhov
Location: Kyiv, Ukraine
Cell: [відкрити контакти](див. вище в блоці «контактна інформація»)
Telegram: @markuss_k
Email: [відкрити контакти](див. вище в блоці «контактна інформація»)

Summary
Proficient System Administrator with hands-on experience within a company of more than 800
employees and 1200 managed devices, excel in managing Microsoft Windows and MacOS
environments along with Microsoft Active Directory services setup and maintenance. Possess
hands-on experience with diverse virtualization platforms including Hyper-V, VirtualBox and
VMWare. Familiarity extends to cloud services such as AWS, facilitating seamless transitions to
cloud-based solutions for enhanced scalability. Skilled in user management ensuring efficient
setup for Office 365, Google Workspace, and collaboration tools like Jira and Confluence Cloud.
Security enhancement through setting up multi-factor authentication, meticulous user
permission control, and software license management is a key strength. Adept in networking,
managing LAN and WLAN networks, Cisco, HP, Aruba, and WatchGuard devices, ensuring
uninterrupted connectivity. Coupled with robust troubleshooting capabilities for hardware and
software issues, proficient in documentation and knowledge management, cloud resource
handling, monitoring tools like Zabbix and delivering exceptional client service collectively
reflected as versatile IT professional capable of managing complex technical landscapes with
finesse.

Experience
FEBRUARY 2022 - PRESENT
Clario, Kyiv - System Administrator

● Tools and technologies: Microsoft AD/NPS/DNS/DHCP, Windows 10, Windows Server
2008/2012/2016/2019/2022, MacOS iOS, Android, Bash/PowerShell, Python, Cisco,
HP, Aruba, WatchGuard, F5, VMWare, Jenkins, VEEAM, Google Workspace, O365, Jira
Server/Cloud, Confluence Server/Cloud, Tableau, TeamViewer, LogMeIn
● Cloud Providers: AWS
● Contribution: Effectively managed Active Directory administration, Office 365 user
setup, software licenses, and subscription renewals, ensuring streamlined user
onboarding, enhanced security through measures like multi-factor authentication, and
optimized software resource allocation. Additionally, my administration of Jira and
Confluence Cloud involved user management, role-based access planning, and
implementation, leading to seamless team collaboration, improved project tracking, and
efficient documentation practices. This encompassed configuring custom workflows,
fields, and automation rules in Jira and organizing Confluence Cloud spaces for
comprehensive knowledge management therefore impacted user experiences, security,
collaboration, and workflow optimization across the organization. Besides that,
configured hardware and client software, set up workstations and peripherals, repaired
 equipment, resolved hardware and software issues efficiently ensuring adherence to
client service levels and satisfactory feedback.

SEPTEMBER 2020 - SEPTEMBER 2021
Varyence, Lviv - System Administrator

● Tools and technologies: Hyper-V, VirtualBox, ProxMox, Vagrant, Mikrotik, Ubiquity,
Windows, MacOS, iOS, Android, MDM (MS Intune), Zabbix, Azure DevOps, Trello,
O365
● Cloud Providers: Azure
● Contribution: Played a pivotal role within a company of 100 employees and 250
managed devices. Supported and managed the virtual infrastructure, utilizing platforms
such as Hyper-V, VirtualBox to enhance the efficiency of development teams. Adeptly
oversaw the office network, including LAN and WLAN, ensuring uninterrupted
connectivity and smooth communication for all employees. Managed cloud
infrastructure, particularly Azure, enabling the company's successful transition to
cloud-based solutions, providing increased scalability and flexibility. Maintained
inventory, streamlining resource allocation and budget management. Prepared
thorough documentation for audits like SOC TYPE 2, showcasing my dedication to
upholding industry standards. Created and constantly updated clear, comprehensive
instructions and technical documentation, empowering teams to navigate complex
processes effortlessly.

Education
SEPTEMBER 2020 - SEPTEMBER 2024
Dnipro University of Technology (NTU DP) - Bachelor of Computer Science : IT
systems and Technologies

Courses
2023
Confluence Fundamentals Course
2023
Jira Fundamentals Course
2023
Jira Administration Course