Objective
Highly motivated Senior Systems Administrator/Engineer with a multi-disciplined background in infrastructure management, virtualization (VMWare, Hyper-V, Proxmox), and cloud computing (Azure, Google Cloud). Adept at leveraging automation (PowerShell, Bash, Python) and strong network security (firewalls, VPNs, IDS/IPS) to enhance system stability, reduce downtime, and ensure business continuity. Proven track record in managing high availability (HA) systems and disaster recovery processes, consistently improving efficiency and reducing costs. Seeking to contribute technical expertise, leadership, and strategic planning skills to an innovative organization.
Technical Skills
- Operating Systems: Windows Server, Linux (CentOS, Debian), macOS
- Networking: Switches (Aruba, HP, Cisco, Dell), Firewalls (Cisco PIX/ASA, SonicWALL, FortiGate), VPN, Wi-Fi Controllers (Cisco, Ubiquiti)
- Virtualization: VMware ESXi, vSphere, vCenter, Hyper-V, Proxmox (KVM, LXC containers)
- Cloud Computing: Microsoft Azure, Google Cloud (infrastructure deployment, management, and automation)
- Automation & Scripting: PowerShell, Python, Bash (for task automation and system management)
- Device and Endpoint Management: Microsoft Intune, Mobile Device Management (MDM), Conditional Access Policies
- Active Directory Management: AD, Group Policy (GP), DNS, DHCP, Azure Active Directory (AAD)
- Backup Solutions: Veritas Backup Exec, Veeam
- Disaster Recovery & Business Continuity: Backup restoration and failover management
- Monitoring & Optimization: SolarWinds, Nagios, Network Performance Optimization
- Security & Compliance: IDS/IPS, firewall configuration (Cisco, FortiGate, SonicWALL), VPN, Multi-factor Authentication (MFA), Compliance Reporting
- Collaboration Tools: Microsoft 365, Exchange Online, SharePoint Online
- Systems Management: System Center Configuration Manager (SCCM), Endpoint Security, Mobile Application Management (MAM)
- Networking Protocols: TCP/IP, DNS, DHCP, VLAN
- High Availability (HA): Load Balancing, Clustering
- ITIL Framework: Incident Management, Change Management, Problem Solving
Professional Experience
Senior Systems Engineer, Konica-Minolta Business Solutions / All Covered (January 2004 – Present)
- Infrastructure Management: Led infrastructure design, deployment, and management for clients, ensuring scalable and reliable environments using virtualization (VMware, Proxmox, Hyper-V) and cloud platforms (Azure, Google Cloud).
- Results: Delivered infrastructure projects on time, reducing downtime by 20% by implementing high availability (HA) systems and load balancing.
- Automation: Developed and deployed automation scripts using PowerShell and Python to streamline tasks such as server provisioning, patch management, and backup verification.
- Results: Saved 30% of deployment time by automating routine server tasks, leading to increased operational efficiency.
- Active Directory Management: Managed complex Active Directory environments, including Group Policies (GP), DNS, DHCP, and Azure Active Directory for conditional access policies.
- Results: Improved security compliance by implementing Azure AD conditional access policies, enforcing MFA, and reducing unauthorized access by 15%.
- Microsoft Intune & Endpoint Management: Implemented Microsoft Intune for MDM and MAM, enforcing security policies, automating app deployment, and supporting remote devices.
- Results: Improved device compliance by 25% and reduced incident resolution time by 15% through centralized endpoint management.
- Disaster Recovery & Business Continuity: Designed and deployed disaster recovery (DR) solutions, including regular backup management (Veritas, Veeam) and recovery drills to ensure business continuity.
- Results: Achieved 100% recovery rate during disaster recovery drills, ensuring systems were restored within the SLA.
- Firewall & Network Security: Configured and managed firewalls (Cisco PIX/ASA, FortiGate, SonicWALL), ensuring secure access with VPN, IDS/IPS, and Multi-factor Authentication (MFA).
- Results: Strengthened security posture, reducing security breaches by 10% through the implementation of IDS/IPS and VPN access controls.
- Monitoring & Optimization: Utilized tools like SolarWinds, Nagios, and Zabbix to monitor system performance, resolve bottlenecks, and optimize network and server environments.
- Results: Reduced system downtime by 15% and improved server response times by 20% through proactive monitoring and optimization.
- Cloud Infrastructure Management: Managed cloud infrastructure in Azure and Google Cloud, including virtual machine deployment, storage optimization, and cost management.
- Results: Achieved 10% cost savings by optimizing storage usage and right-sizing cloud resources.
- Collaboration Systems: Managed Microsoft 365, Exchange Online, and SharePoint Online, optimizing cloud productivity and collaboration tools for clients.
- Results: Increased productivity by 15% by optimizing collaboration tools and streamlining cloud workflows.
Network Administrator, fortunecity.com (December 2000 – February 2003)
- Managed Active Directory environments for 3500 users, including server setup, configuration, and administration.
- Configured Veritas Backup Exec and ARC Serve for MS Exchange and file servers.
- Managed firewall configurations and secure remote access across global offices.
- Supported Linux and Sendmail server environments, integrating them with Microsoft Exchange.
- Provided 24/7 technical support, ensuring business continuity and minimal downtime.
Education
- BS in Computer Science, University of Belarus, Minsk, Belarus (April 1989 - June 1992)
- Associate Degree in Computer Science, Kingsborough Community College, Brooklyn, NY (January 1994 - December 1996)
- Associate Degree in Business Marketing, Touro College, Brooklyn, NY (January 1996 - December 1998)
Certifications
- Microsoft Certified: Azure Administrator Associate (August 2022 – August 2025)
- Google Cloud Certified: Professional Google Workspace Administrator (July 2023 – July 2025)
- Fortinet Network Security Expert (NSE) 4 (November 2021 – November 2023)
- Microsoft Specialist: Server Virtualization with Windows Server Hyper-V and System Center
- Microsoft Certified Professional: Installing and Configuring Windows Server 2012
Awards
- Promoted to Senior Systems Engineer (2007)
- Best Employee of All Covered Northeast (February 2007)
Languages and Interests
Languages: Russian (Native), English (Fluent)
Interests: Carpentry, Programming (PHP, Python), Hiking/Traveling, Telephony (Asterisk, FreePBX, Mobile)