Alex Rusakovich

Alex Rusakovich Brunswick, OH 44212 |- |-| linkedin.com/in/alex-rusakovich-6648b6158 Senior Systems Administrator | IT Infrastructure & Cybersecurity Expert Senior Systems Administrator with 10+ years of experience creating, implementing, and maintaining enterprise IT infrastructures, emphasizing security. Extensive systems administration experience across Windows and Linux, cloud platforms (Azure, AWS), virtualization (VMware, Hyper-V), and security assessment and compliance. Significant penetration testing experience combined with collaboration in IT process automation and integration troubleshooting generates optimal efficiencies and fortified security. Drove 99% uptime and a 30% decrease in outages from practical implementation and sustained support of the business environment. Professional Experience Systems Administrator AVASO Technology Solutions Inc. – Cleveland, OH – December 2022 – Present Orchestrated and fine-tuned the deployment and management of Windows Server, Active Directory, Group Policy, DNS, DHCP, SQL, VOIP, Linux, Microsoft 365, Azure, AWS, and SCCM, refining server infrastructure to support over 500 users, and decreasing downtime by 30% through strategic maintenance. Spearheaded VMware infrastructure management, optimizing 200+ virtual machines, including vCenter, ESXi, and VMware Horizon, achieving 99% uptime and enhancing system scalability by 25%. Engineered and optimized networking configurations, including 50+ VLANs and 100+ ACL rules, Firewalls, Switches, Routers, and VPNs, boosting security by decreasing unauthorized access incidents by 40%. Senior Systems Administrator Digital Forensics Corp – Cleveland, OH – December 2018 – October 2022 Designed, deployed, and maintained Windows Server -) environments, ensuring high availability, performance, and security for mission-critical systems. Administered Active Directory (AD), Group Policy Object (GPO), and DNS to authenticate and authorize users/system settings across three locations. Employed PowerShell scripting for IT occupational automation, reducing 60% manual administrative time and saving efficiencies for user creations, patch management, and system performance monitoring. Administered server virtualization through VMware ESXi, vSphere, and vCenter; heightened resource utilization by migrating 70+ Virtual Machines (VMs) to the HA clusters for failover redundancy. Created and administered WSUS/SCCM for patch management; reduced 40% of security vulnerabilities with appropriate security patch implementation in a timely manner. Administered Azure AD integration with on-prem AD infrastructure for identity management; increased authentication options with MFA and SSO. Created a disaster recovery solution through Azure Backup, Veeam, and Hyper-V replication; improved recovery time objective (RTO) by 50%. Systems Administrator (Relocated to the USA and continued working remotely) Hotel Marriott & Falcon Club Sports Complex – Minsk, Belarus – May 2017 – December 2018 Modernized 50+ Windows servers and Microsoft 365 environments, facilitated secure and high-performance remote access solutions for 200+ users, improving system efficiency and uptime by 40%. Secured and sustained the high availability of Intune, Exchange, SQL, SAN, NAS, RAID, multifactor authentication, Zabbix, and Linux servers, maintaining 98% uptime and uninterrupted functionality across critical business operations. IT Manager Hotel Marriott & Falcon Club Sports Complex – Minsk, Belarus – December 2015 – May 2017 Directed the end-to-end IT infrastructure deployment for a luxury hotel launch, coordinating with contractors to deploy and validate 20+ critical systems, ensuring 98% operational readiness. Implemented Windows Server, Azure, SQL, VOIP, VMware vSphere, Ansible, and Veeam Backup, achieving 96% system reliability and advancing resource allocation efficiency by 25%, operating over 700 endpoints. Fortified enterprise security by architecting robust incident response protocols, slashing threat response time by 40%, and improving business continuity with disaster recovery. Systems Administrator Varabyeu Partners – Minsk, Belarus – December 2014 – December 2015 Led system modernization efforts, facilitating the transition of over 100 PCs to the new Windows. Architected advanced PowerShell automation scripts, reducing manual IT operations by 60%. Skills Systems Administration: Windows Server, Linux, macOS, iOS, Active Directory, SCCM, GPO, SQL, VOIP, ITIL Cloud & Virtualization: AWS, Azure, Google Cloud, VMware, Hyper-V, Intune, Office 365, Exchange Network & Security: TCP/IP, DNS, DHCP, VPN, LAN, WAN, VLAN, ACLs, Firewalls, SIEM, Splunk, Backup and Disaster Recovery, Okta, Patching, Vulnerability Assessment, Cybersecurity Tools (Kali, Metasploit, Nessus) Automation & Scripting: PowerShell and Bash scripting for automation, and configuration management. Education Belarusian State University of Informatics and Radio-Electronics — Minsk, Belarus Bachelor of Computer Science Certifications Microsoft Certified: Identity and Access Administrator Associate – November 2022. CompTIA Security+ – August 2022. Dell Client Foundation, PowerEdge Corrective Maintenance, Wyse Thin Client – March 2024.