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Системний адміністратор
- City of residence:
- Lviv
- Ready to work:
- Lviv, Remote
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Kyrylo Fedorenko
System Administrator
Lviv, Ukraine · Remote
Email: [open contact info ](look above in the "contact info" section)
Phone: [open contact info ](look above in the "contact info" section)
PROFESSIONAL SUMMARY
• Administer Windows 10/11 workstations and corporate Active Directory infrastructure,
including users, computers, OUs, and access permissions.
• Configure and deploy Group Policy (GPO) for centralized workstation and security
management.
• Diagnose and resolve network, DNS, operating system, software, and hardware issues.
• Deploy, configure, and maintain employee workstations, business software, and
remote-access solutions.
• Implement and manage centralized BitLocker disk encryption with TPM, pre-boot
authentication, Group Policy, and Active Directory recovery-key storage.
• Configure and troubleshoot TPM 2.0, Secure Boot, and endpoint security policies.
• Implement infrastructure monitoring with Zabbix and investigate system and network
incidents.
• Administer and troubleshoot VoIP endpoints and related software.
• Develop and test internal software and automation solutions for operational tasks.
TECHNICAL SKILLS
System Administration: Windows 10/11 · Windows Server · Active Directory · GPO · DNS ·
Domain Administration · User & Access Management
Networking: TCP/IP · DNS · LAN/WAN · VPN · Network Troubleshooting
Security: BitLocker · TPM 2.0 · Secure Boot · Group Policy Security
Monitoring: Zabbix · System Monitoring · Infrastructure Troubleshooting
Development: C# · .NET 8 · Python · C++ · PowerShell · REST API · Git
Backend: ASP.NET Core · Minimal API · EF Core · MSSQL · JWT
Tools: Docker · Git · Render · AnyDesk · SSH
PROFESSIONAL EXPERIENCE
System Administrator
Confidential Company | 2024 – Present
Administer Windows 10/11 workstations and corporate Active Directory infrastructure,
including users, computers, OUs, and access permissions.
Configure and deploy Group Policy (GPO) for centralized workstation and security
management.
Diagnose and resolve network, DNS, operating system, software, and hardware issues.
Deploy, configure, and maintain employee workstations, business software, and
remote-access solutions.
Implement and manage centralized BitLocker disk encryption with TPM, pre-boot
authentication, Group Policy, and Active Directory recovery-key storage.
Configure and troubleshoot TPM 2.0, Secure Boot, and endpoint security policies.
Implement infrastructure monitoring with Zabbix and investigate system and network
incidents.
Administer and troubleshoot VoIP endpoints and related software.
Develop and test internal software and automation solutions for operational tasks.
SELECTED PROJECTS
Automatic Call Recording System — C#, .NET 8, WinUI 3, NAudio, REST API, Docker
Developed a Windows desktop application for automatic call detection and audio recording.
Implemented process-based call detection, system/microphone audio capture, recording
management, REST-based licensing, and a .NET backend deployed using Docker.
Remote Desktop Application — C++, TurboJPEG, Networking
Developed a client-server remote desktop solution with real-time screen capture, JPEG
compression, and network transmission. Worked on bandwidth, latency, and FPS
optimization.
Messenger Backend — C#, .NET 8, ASP.NET Core, EF Core, MSSQL, JWT
Designed and developed a REST backend with authentication, users, chats, contacts, and
messaging functionality using a layered architecture.
EDUCATION
Igor Sikorsky Kyiv Polytechnic Institute (KPI)
Institute for Applied System Analysis (IPSA)
Computer Science, Specialty 122 | 2020 – 2024
LANGUAGES
Ukrainian: Native · English: A2
System Administrator
Lviv, Ukraine · Remote
Email: [
Phone: [
PROFESSIONAL SUMMARY
• Administer Windows 10/11 workstations and corporate Active Directory infrastructure,
including users, computers, OUs, and access permissions.
• Configure and deploy Group Policy (GPO) for centralized workstation and security
management.
• Diagnose and resolve network, DNS, operating system, software, and hardware issues.
• Deploy, configure, and maintain employee workstations, business software, and
remote-access solutions.
• Implement and manage centralized BitLocker disk encryption with TPM, pre-boot
authentication, Group Policy, and Active Directory recovery-key storage.
• Configure and troubleshoot TPM 2.0, Secure Boot, and endpoint security policies.
• Implement infrastructure monitoring with Zabbix and investigate system and network
incidents.
• Administer and troubleshoot VoIP endpoints and related software.
• Develop and test internal software and automation solutions for operational tasks.
TECHNICAL SKILLS
System Administration: Windows 10/11 · Windows Server · Active Directory · GPO · DNS ·
Domain Administration · User & Access Management
Networking: TCP/IP · DNS · LAN/WAN · VPN · Network Troubleshooting
Security: BitLocker · TPM 2.0 · Secure Boot · Group Policy Security
Monitoring: Zabbix · System Monitoring · Infrastructure Troubleshooting
Development: C# · .NET 8 · Python · C++ · PowerShell · REST API · Git
Backend: ASP.NET Core · Minimal API · EF Core · MSSQL · JWT
Tools: Docker · Git · Render · AnyDesk · SSH
PROFESSIONAL EXPERIENCE
System Administrator
Confidential Company | 2024 – Present
Administer Windows 10/11 workstations and corporate Active Directory infrastructure,
including users, computers, OUs, and access permissions.
Configure and deploy Group Policy (GPO) for centralized workstation and security
management.
Diagnose and resolve network, DNS, operating system, software, and hardware issues.
Deploy, configure, and maintain employee workstations, business software, and
remote-access solutions.
Implement and manage centralized BitLocker disk encryption with TPM, pre-boot
authentication, Group Policy, and Active Directory recovery-key storage.
Configure and troubleshoot TPM 2.0, Secure Boot, and endpoint security policies.
Implement infrastructure monitoring with Zabbix and investigate system and network
incidents.
Administer and troubleshoot VoIP endpoints and related software.
Develop and test internal software and automation solutions for operational tasks.
SELECTED PROJECTS
Automatic Call Recording System — C#, .NET 8, WinUI 3, NAudio, REST API, Docker
Developed a Windows desktop application for automatic call detection and audio recording.
Implemented process-based call detection, system/microphone audio capture, recording
management, REST-based licensing, and a .NET backend deployed using Docker.
Remote Desktop Application — C++, TurboJPEG, Networking
Developed a client-server remote desktop solution with real-time screen capture, JPEG
compression, and network transmission. Worked on bandwidth, latency, and FPS
optimization.
Messenger Backend — C#, .NET 8, ASP.NET Core, EF Core, MSSQL, JWT
Designed and developed a REST backend with authentication, users, chats, contacts, and
messaging functionality using a layered architecture.
EDUCATION
Igor Sikorsky Kyiv Polytechnic Institute (KPI)
Institute for Applied System Analysis (IPSA)
Computer Science, Specialty 122 | 2020 – 2024
LANGUAGES
Ukrainian: Native · English: A2
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The candidate's resume is posted at https://www.work.ua/resumes/20044849/