Infrastructure & Virtualization
Design, deployment, modernization, troubleshooting, and lifecycle management for Windows Server and virtualized environments.
- Windows Server
- VMware
- Hyper-V
- Proxmox
- High Availability
- Backup & Recovery
Senior Systems Engineer
Infrastructure built to work.
Systems built to last.
25+ years designing, modernizing, securing, automating, and troubleshooting business-critical IT infrastructure across Microsoft, cloud, virtualization, networking, and endpoint environments.
I specialize in solving complex infrastructure problems—from Active Directory and Microsoft 365 to VMware, Azure, Intune, disaster recovery, networking, and PowerShell automation.
- Microsoft 365
- Azure
- Active Directory
- VMware
- Hyper-V
- Intune
- PowerShell
- Fortinet
25+
Years in IT
3,500
Users supported in enterprise AD
2004–Present
All Covered / Konica Minolta
Hybrid
Cloud • On-Prem • Virtualization
Core expertise
Engineering across the infrastructure stack
I work across the layers that keep modern businesses operating—from identity and endpoints through virtualization, networking, cloud infrastructure, security, monitoring, backup, and disaster recovery.
Cloud & Modern Workplace
Hybrid and cloud infrastructure across Microsoft Azure, Microsoft 365, endpoint management, identity, and collaboration platforms.
- Microsoft Azure
- Microsoft 365
- Microsoft Intune
- Google Cloud
- Google Workspace
- Hybrid Infrastructure
Identity, Networking & Security
Secure infrastructure built around reliable identity, networking, remote access, endpoint controls, and layered security.
- Active Directory
- Group Policy
- DNS / DHCP
- VPN
- Fortinet
- Endpoint Security
Automation & Operations
Automation that reduces repetitive work, improves consistency, and makes infrastructure easier to operate and troubleshoot.
- PowerShell
- Python
- Bash
- Monitoring
- Patch Management
- System Auditing
- Operational Automation
Selected engineering work
Complex infrastructure. Practical solutions.
Representative examples of the infrastructure, migration, automation, security, and recovery work I have handled throughout my career. Client-specific information is intentionally omitted.
01
Identity / Windows Infrastructure
Active Directory Infrastructure & Recovery
Design, administration, troubleshooting, and remediation of Microsoft Active Directory environments supporting business-critical authentication, policy, DNS, and infrastructure services.
Challenges
- Domain controller health and replication
- Active Directory and DNS troubleshooting
- Group Policy management
- Authentication and identity issues
- Legacy infrastructure modernization
- Disaster-recovery planning
Engineering work
Diagnose directory-service health, correct configuration and replication problems, modernize domain-controller infrastructure, strengthen Group Policy and identity controls, and create recovery paths for critical directory services.
- Active Directory
- Windows Server
- DNS
- DHCP
- Group Policy
- PowerShell
- DFSR
- Microsoft Entra ID
02
Cloud / Endpoints
Microsoft 365 & Endpoint Modernization
Migration and modernization of legacy environments using Microsoft 365, cloud services, modern identity, and centralized device management.
Engineering work
Plan and support Microsoft 365 migrations, administer tenant services, implement Microsoft Intune for MDM/MAM, improve endpoint management, and integrate cloud services with existing infrastructure.
- Microsoft 365
- Microsoft Intune
- Azure
- Entra ID
- Windows
- Exchange
- MDM / MAM
03
Virtualization
Virtualization & Infrastructure Modernization
Design and administration of virtualized infrastructure supporting production workloads, business continuity, infrastructure consolidation, and modernization.
Engineering work
Design and maintain virtualized environments, evaluate compute and storage requirements, troubleshoot performance and availability issues, and integrate backup and disaster-recovery strategies.
- VMware
- Hyper-V
- Proxmox
- Windows Server
- Storage
- Networking
- High Availability
- Disaster Recovery
04
Automation
Infrastructure Automation
PowerShell, Python, and scripting solutions designed to reduce repetitive administration and improve infrastructure consistency.
Engineering work
Build automation for maintenance, reporting, validation, deployment, configuration, monitoring, and routine administrative workflows.
- PowerShell
- Python
- Bash
- Windows Server
- Microsoft 365
- REST APIs
- Task Automation
05
Resilience
Disaster Recovery & Business Continuity
Infrastructure resilience built around backup, recovery, redundancy, monitoring, and tested recovery procedures.
Engineering work
Design and implement disaster-recovery solutions, evaluate infrastructure dependencies, improve recovery readiness, and integrate backup and availability requirements into production architecture.
- Backup & Recovery
- Virtualization
- Windows Server
- Cloud
- High Availability
- Monitoring
- Infrastructure Auditing
06
Network / Security
Network & Security Infrastructure
Deployment and administration of network-security infrastructure supporting secure connectivity, remote access, segmentation, and reliable business operations.
Engineering work
Configure and maintain firewall, VPN, and network-security infrastructure, support secure remote access, and keep routing, DNS, DHCP, and monitoring aligned with production requirements.
- Fortinet
- Firewalls
- VPN
- TCP/IP
- DNS
- DHCP
- Routing
- Network Monitoring
- IDS / IPS
Experience
More than two decades building and supporting IT infrastructure
Senior Systems Engineer
January 2004 – Present
Konica Minolta Business Solutions / All Covered
Remote · Current
Design, administer, troubleshoot, secure, and modernize infrastructure for business clients across Microsoft platforms, virtualization, cloud services, networking, endpoint management, automation, and disaster recovery.
Selected responsibilities
- Design and maintain Windows Server, virtualization, networking, and cloud infrastructure.
- Diagnose complex Active Directory, authentication, DNS, Group Policy, server, and infrastructure issues.
- Develop PowerShell and Python automation for recurring administrative and operational workflows.
- Administer Microsoft 365, Azure, and hybrid infrastructure.
- Implement and manage Microsoft Intune MDM/MAM environments.
- Design backup, disaster-recovery, and business-continuity solutions.
- Configure and maintain firewall, VPN, and network-security infrastructure.
- Perform infrastructure assessments, troubleshooting, optimization, and modernization.
Network Administrator
December 2000 – February 2003
FortuneCity.com
New York, NY
Supported enterprise network and server infrastructure for a large Internet company, including an Active Directory environment serving approximately 3,500 users.
Selected responsibilities
- Administered Active Directory infrastructure supporting approximately 3,500 users.
- Managed Microsoft Exchange and file-server backup systems.
- Configured firewall infrastructure and secure remote access.
- Supported Linux and Sendmail systems integrated with Microsoft Exchange.
- Provided production infrastructure support for business-critical systems.
Expertise
Technology stack
Platforms and practices I use to design, operate, and modernize hybrid infrastructure—without false-precision skill scores.
Microsoft Infrastructure
- Windows Server
- Active Directory
- Group Policy
- DNS
- DHCP
- RDS
- Microsoft 365
- Exchange
- Intune
- Entra ID
Virtualization
- VMware ESXi / vSphere
- Hyper-V
- Proxmox
- High Availability
- Virtual Infrastructure
Cloud
- Microsoft Azure
- Microsoft 365
- Google Cloud
- Google Workspace
- Hybrid Cloud
Automation
- PowerShell
- Python
- Bash
- Infrastructure Automation
- APIs
Networking & Security
- Fortinet
- Firewalls
- VPN
- TCP/IP
- Routing
- Switching
- IDS / IPS
- Remote Access
Operations
- Monitoring
- Disaster Recovery
- Backup
- Patch Management
- System Auditing
- Performance Optimization
Trusted by colleagues
What people I've worked with say
Public LinkedIn recommendations from former colleagues emphasize technical depth, clear communication, delivery on difficult projects, and client satisfaction.
Colleagues describe a systems engineer who can take on complex infrastructure work and explain it clearly to the people who depend on it.
Paraphrased from public LinkedIn recommendations
The same recommendations highlight timely delivery, follow-through on difficult projects, and a consistent focus on keeping clients successful.
Paraphrased from public LinkedIn recommendations
Certifications
Professional credentials
Industry credentials across Microsoft, security, virtualization, and cloud administration—labeled as they currently stand.
Microsoft Certified
Azure Administrator Associate
Microsoft
Credential detailsCompTIA
Security+ ce
CompTIA
Credential detailsFortinet
NSE 4
Fortinet
Program detailsGoogle Cloud Certified
Professional Google Workspace Administrator
Google Cloud
Historical certification · Program retired December 2024
About Google Cloud certificationsMicrosoft Specialist
Server Virtualization Specialist
Microsoft
Historical certification
Microsoft Certified Professional
Windows Server
Microsoft
Historical certification
Education
Academic background
University of Belarus
B.S., Computer Science
1989–1992
Kingsborough Community College
Computer Science
1994–1996
Touro College
Business Marketing
1996–1998
Languages
Spoken & written
English
Fluent / Professional
Russian
Native
About
Beyond infrastructure
Technology has been both my profession and a long-term personal interest. Outside of enterprise infrastructure work, I enjoy programming, experimenting with new platforms and technologies, home improvement and carpentry projects, telephony, and traveling.
I approach personal projects much the same way I approach infrastructure: understand how the system works, identify what can be improved, and build a practical solution.
- Programming
- Home Improvement
- Carpentry
- Telephony
- Travel
- Technology