About
Hybrid Infrastructure, Modern Workplace Specialist, Network & Security Specialist, and L2-L3 Escalation Lead specializing in multi-tenant MSP operations, remote infrastructure management, and secure corporate environments. Proven track record designing and scaling infrastructure from bare-metal deployments to cloud environments, managing enterprise firewall deployments, VLAN segmentation, and site-to-site VPNs for remote workforces. Technical lead for complex client lifecycles, infrastructure upgrades, and centralized onboarding/offboarding workflows across Active Directory and Microsoft 365. Deep technical expertise acting as the senior line of defense for critical server, network, and virtualization outages. Skilled in remote administration using modern identity access management (Entra ID, Conditional Access, MFA) and automated endpoint provisioning (Intune, Autopilot) aligned with Azure Administrator (AZ-104) frameworks. Fluent in English, Russian, and Romanian.
Work
Upwork
|Information Technology Support Specialist
Dublin, Ireland, Ireland
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Summary
Provided remote IT support to international clients, troubleshooting hardware/software issues, and advising on infrastructure upgrades.
Highlights
Delivered remote IT support to a diverse portfolio of international clients, resolving a wide range of technical issues efficiently.
Diagnosed and resolved complex hardware and software issues remotely using advanced desktop tools, minimizing client downtime.
Consulted small businesses on strategic IT upgrades and infrastructure enhancements, optimizing their technological capabilities and operational efficiency.
Vision Business Technology (VBT)
|Field Engineer Team Lead
Dublin, Ireland, Ireland
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Summary
Led a team of field engineers, overseeing ticket assignments, schedule management, and ensuring SLA adherence while acting as the primary L3 technical escalation point for complex server and network issues.
Highlights
Directed a team of field engineers, optimizing ticket allocation and schedule management to consistently achieve and exceed service level agreements (SLAs).
Served as the primary L3 technical escalation point, successfully resolving complex server and network issues that junior engineers could not address, minimizing downtime and ensuring operational continuity.
Managed end-to-end infrastructure projects, from initial physical network installations and firewall deployments to comprehensive system upgrades, ensuring timely and successful project delivery.
Mentored and trained field engineers, providing critical on-the-job guidance and technical expertise during site visits, enhancing team capabilities and problem-solving efficiency.
Facilitated critical communication between technical teams and client stakeholders, ensuring transparent project progress, aligning expectations, and driving successful project completion.
Vision Business Technology (VBT)
|Information Technology Engineer
Dublin, Ireland, Ireland
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Summary
Installed and maintained critical network infrastructure, managed user accounts across diverse platforms, and deployed robust security and virtualization solutions for clients.
Highlights
Installed and maintained critical network infrastructure, including routers, switches, and Wi-Fi access points, while resolving hardware failures across PCs, laptops, and servers to ensure continuous operation.
Streamlined user lifecycle management, executing efficient onboarding and offboarding processes across Active Directory and Office 365 for numerous clients.
Enhanced network security by configuring SonicWALL/Watchguard firewalls, establishing secure VPN tunnels for remote access, and implementing multi-factor authentication (MFA).
Administered and optimized virtualized environments by deploying and managing Virtual Machines on Hyper-V and VMware platforms, improving resource utilization.
Provided comprehensive support and successful implementation of Voice over IP (VOIP) telephony solutions, improving client communication capabilities.
Ensured data integrity and recoverability by continuously monitoring and maintaining AhSay and Altaro backup solutions, achieving high data availability rates.
Maintained optimal system performance and security through proactive server patching, updates, and comprehensive third-party software support.
Languages
English
Romanian
Russian
Skills
Microsoft 365 Cloud & Identity Management
Microsoft 365 Tenant Creation, Microsoft 365 Administration, Entra ID (Azure AD), Conditional Access, MFA Enforcement, SSO, Self-Service Password Reset, Mobile Device Management (MDM), Encryption, PIN Requirements, Intune, Endpoint Manager, Autopilot, Zero-Touch Deployment.
Network Engineering & Security
Firewalls, SonicWALL, Watchguard, Zyxel, Ubiquiti Unifi, Content Filtering, VLANs, TCP/IP Troubleshooting, DNS, DHCP, RADIUS, Wi-Fi Management, Infrastructure Audits, Network Design, Physical Installation, Racking, Patching, Remote Configuration, Site-to-Site VPN, Point-to-Site VPN.
Systems Administration
Windows Server 2016, Windows Server 2019, Windows Server 2022, Active Directory (GPO, Users), Print Servers, Virtualization, Hyper-V, VMware ESXi, Citrix, AhSay Backup, Altaro Backup, Disaster Recovery, Server Patching, Updates, Third-Party Software Support.
Education
IBAT College Dublin
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Diploma in Leadership and Management
Academy of Economic Studies of Moldova
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Bachelor’s degree in Business and Management