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IT-спеціаліст
- Considering positions:
- IT-спеціаліст, System administrator, System developer, дата-аналітик, менеджер IT-безпеки, IT-директор
- City of residence:
- Solonka
- Ready to work:
- Davydiv, Lviv, Pustomyty, Rudne, Sokilnyky, Solonka, Vynnyky, Zymna Voda
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Володимир Kольцов
Infrastructure Engineer
Systems Engineer
Software Engineer
Lviv, Ukraine
Phone: [open contact info ](look above in the "contact info" section)
Email: [open contact info ](look above in the "contact info" section)
Telegram: https://t.me/joatmonjob
Summary
Infrastructure and Systems Engineer with 30+ years of experience working with Windows-based
systems, network communications, troubleshooting, system-level software, deployment automation,
and technical diagnostics.
Strong background in Windows internals, networking, software deployment, incident investigation,
system administration, and root-cause analysis. Experienced in supporting complex enterprise
environments, Microsoft 365 integrations, cloud storage platforms, installation technologies,
automation, and cross-platform systems.
Seeking opportunities in System Administration, IT Infrastructure, Technical Support Engineering, or
IT Operations.
Technical Skills
Operating Systems
• Windows XP/7/10/11
• Windows Server
• Linux (Debian, CentOS, Ubuntu, Mint, Arch)
• Windows Internals
System Administration
• Software Deployment
• MSI/MSIX Packaging
• Windows drivers & services
• Driver Installation & Configuration
• System Troubleshooting
• User Support
• Root Cause Analysis
Networking
• TCP/IP, HTTP/HTTPS, DHCP, DNS, VPN, Nginx, Proxy
• Network Traffic Analysis
• WinSock, Windows Filtering Platform (WFP)
Cloud & Enterprise Platforms
• Microsoft 365, Google Workspace
• OneDrive, Dropbox, Google Drive
• Outlook Integration
• SharePoint-related integrations
Automation & Scripting
• PowerShell, Bash
• VBA , JavaScript
• Go, Python
Experience
Infrastructure Engineer / Systems Developer | NDA, Kyiv May 2023 – Sep 2026
Designed and implemented a Windows-based network traffic
filtering solution utilizing Windows Filtering Platform (WFP).
• Developed and maintained a kernel-level network filtering driver
and supporting Windows Service infrastructure.
• Managed software deployment through MSI installation packages
and automated installation processes.
• Performed advanced troubleshooting and root-cause analysis of
networking, driver, and operating system issues.
• Investigated complex Windows application behavior using
debugging and reverse engineering techniques.
• Supported system integration, deployment, maintenance, and
operational stability across Windows environments.
• Collaborated on architecture design, deployment workflows, and
infrastructure components for enterprise software solutions.
Senior Software Engineer | nCryptedCloud/e-Share, USA Aug 2012 – Dec 2022
Developed and maintained enterprise solutions integrated with
Microsoft 365, SharePoint, OneDrive, Dropbox, Google Drive, and
Box cloud platforms.
• Supported secure enterprise data-sharing and data-protection
workflows across distributed environments.
• Developed and maintained Microsoft Outlook, Word, Excel, and
PowerPoint integrations.
• Created and maintained software deployment packages using
NSIS and MSIX technologies.
• Worked with server-side components on Linux (CentOS)
environments.
• Investigated customer-reported issues and provided technical
troubleshooting and resolution.
• Participated in deployment, maintenance, and support of
enterprise desktop applications.
• Collaborated with support and engineering teams to resolve
complex integration and platform issues.
Senior Software Engineer | VDV Investments, The Netherlands Mar 2002 – Jul 2012
Developed and maintained mission-critical trading platform
applications used by financial institutions across European
exchanges.
• Built and supported communication libraries for integration with
external trading systems and exchange APIs.
• Investigated connectivity, performance, and reliability issues in
distributed client-server environments.
• Developed diagnostic and simulation tools using real-world
exchange data.
• Performed troubleshooting and support activities for production
and pre-production environments.
• Contributed to stability and reliability improvements of high-
availability financial systems.
Software Consultant, C++ Developer | Ministry of Justice of Ukraine, Dec 1999 – Feb 2002
Designed and developed solutions for the services of the Ministry of
Justice of Ukraine.
Configured, deployed, and administered local area networks (LAN)
across Ministry of Justice facilities.
C++ Developer | Diamed Info, Ukraine Jun 1995 – Nov 1999
Development of multimedia products for education and
entertainment.
Developed RTF parser and RTF viewer as components of multimedia
apps.
Developed WAV player as a component of multimedia apps.
Education: Master of Computer Science, Donetsk National University, Ukraine, 1995
Infrastructure Engineer
Systems Engineer
Software Engineer
Lviv, Ukraine
Phone: [
Email: [
Telegram: https://t.me/joatmonjob
Summary
Infrastructure and Systems Engineer with 30+ years of experience working with Windows-based
systems, network communications, troubleshooting, system-level software, deployment automation,
and technical diagnostics.
Strong background in Windows internals, networking, software deployment, incident investigation,
system administration, and root-cause analysis. Experienced in supporting complex enterprise
environments, Microsoft 365 integrations, cloud storage platforms, installation technologies,
automation, and cross-platform systems.
Seeking opportunities in System Administration, IT Infrastructure, Technical Support Engineering, or
IT Operations.
Technical Skills
Operating Systems
• Windows XP/7/10/11
• Windows Server
• Linux (Debian, CentOS, Ubuntu, Mint, Arch)
• Windows Internals
System Administration
• Software Deployment
• MSI/MSIX Packaging
• Windows drivers & services
• Driver Installation & Configuration
• System Troubleshooting
• User Support
• Root Cause Analysis
Networking
• TCP/IP, HTTP/HTTPS, DHCP, DNS, VPN, Nginx, Proxy
• Network Traffic Analysis
• WinSock, Windows Filtering Platform (WFP)
Cloud & Enterprise Platforms
• Microsoft 365, Google Workspace
• OneDrive, Dropbox, Google Drive
• Outlook Integration
• SharePoint-related integrations
Automation & Scripting
• PowerShell, Bash
• VBA , JavaScript
• Go, Python
Experience
Infrastructure Engineer / Systems Developer | NDA, Kyiv May 2023 – Sep 2026
Designed and implemented a Windows-based network traffic
filtering solution utilizing Windows Filtering Platform (WFP).
• Developed and maintained a kernel-level network filtering driver
and supporting Windows Service infrastructure.
• Managed software deployment through MSI installation packages
and automated installation processes.
• Performed advanced troubleshooting and root-cause analysis of
networking, driver, and operating system issues.
• Investigated complex Windows application behavior using
debugging and reverse engineering techniques.
• Supported system integration, deployment, maintenance, and
operational stability across Windows environments.
• Collaborated on architecture design, deployment workflows, and
infrastructure components for enterprise software solutions.
Senior Software Engineer | nCryptedCloud/e-Share, USA Aug 2012 – Dec 2022
Developed and maintained enterprise solutions integrated with
Microsoft 365, SharePoint, OneDrive, Dropbox, Google Drive, and
Box cloud platforms.
• Supported secure enterprise data-sharing and data-protection
workflows across distributed environments.
• Developed and maintained Microsoft Outlook, Word, Excel, and
PowerPoint integrations.
• Created and maintained software deployment packages using
NSIS and MSIX technologies.
• Worked with server-side components on Linux (CentOS)
environments.
• Investigated customer-reported issues and provided technical
troubleshooting and resolution.
• Participated in deployment, maintenance, and support of
enterprise desktop applications.
• Collaborated with support and engineering teams to resolve
complex integration and platform issues.
Senior Software Engineer | VDV Investments, The Netherlands Mar 2002 – Jul 2012
Developed and maintained mission-critical trading platform
applications used by financial institutions across European
exchanges.
• Built and supported communication libraries for integration with
external trading systems and exchange APIs.
• Investigated connectivity, performance, and reliability issues in
distributed client-server environments.
• Developed diagnostic and simulation tools using real-world
exchange data.
• Performed troubleshooting and support activities for production
and pre-production environments.
• Contributed to stability and reliability improvements of high-
availability financial systems.
Software Consultant, C++ Developer | Ministry of Justice of Ukraine, Dec 1999 – Feb 2002
Designed and developed solutions for the services of the Ministry of
Justice of Ukraine.
Configured, deployed, and administered local area networks (LAN)
across Ministry of Justice facilities.
C++ Developer | Diamed Info, Ukraine Jun 1995 – Nov 1999
Development of multimedia products for education and
entertainment.
Developed RTF parser and RTF viewer as components of multimedia
apps.
Developed WAV player as a component of multimedia apps.
Education: Master of Computer Science, Donetsk National University, Ukraine, 1995
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The candidate's resume is posted at https://www.work.ua/resumes/20856106/