IT Support • Infrastructure • Microsoft 365 • Networking

Alexander Dispenza

IT Support & Infrastructure Technician

Hands-on IT professional supporting Microsoft 365, Windows Server, virtualization, networking, backups, and endpoint troubleshooting across business environments.

50+Users Supported
M365Admin Experience
HybridServer & Cloud

About

Practical IT support with infrastructure depth.

I am an IT Support and Infrastructure Technician with experience supporting users, servers, networks, cloud services, and business-critical systems. My work includes Microsoft 365 administration, Exchange Online, SharePoint, OneDrive, Entra ID, Windows Server, Active Directory, Group Policy, DNS, DHCP, virtualization, backup recovery, firewall administration, and troubleshooting across client environments.

I enjoy solving technical problems, improving reliability, documenting processes, and building systems that are easier to support long-term.

Skills

Core Technical Skills

Microsoft 365

Exchange Online, SharePoint, OneDrive, Entra ID, licensing, account support, mailbox administration, and user access troubleshooting.

Windows Server

Active Directory, Group Policy, DNS, DHCP, Remote Desktop Services, file services, and server troubleshooting.

Virtualization

VMware ESXi, vCenter, Hyper-V, Proxmox, VM provisioning, migration planning, and host maintenance.

Networking

VLANs, switching, wireless, UniFi, Cisco, Fortinet, pfSense, Sophos, VPNs, routing, firewall policies, and troubleshooting.

Backup & Storage

Datto, Windows Server Backup, SANs, TrueNAS, Synology, UniFi Drive, iSCSI, recovery testing, and storage troubleshooting.

Automation

PowerShell scripting, existing script modification, logon scripts, Group Policy scripts, and repeatable admin workflows.

Experience

Professional Experience

Tier 1 LAN Technician

May 2024 – Present

TCS Connected IT / Client Support Environments

  • Provide technical support for 50+ users across business environments, including desktops, laptops, printers, mobile devices, and line-of-business systems.
  • Administer Microsoft 365 services including Exchange Online, SharePoint, OneDrive, and Entra ID.
  • Support Windows Server environments including Active Directory, Group Policy, DNS, DHCP, RDS, and file services.
  • Troubleshoot network, firewall, wireless, VLAN, VPN, and connectivity issues across multi-site environments.
  • Assist with backup, recovery, storage, virtualization, and infrastructure maintenance tasks.
  • Create documentation, scripts, and repeatable support processes to improve consistency and reduce downtime.

Projects

Selected Technical Projects

Azure Resume Website

Static resume website hosted with Azure Static Web Apps and connected to a custom domain.

AzureGitHubStatic Web

Homelab Virtualization

Built and managed virtualization environments using Proxmox, VMware ESXi, Hyper-V, TrueNAS, and server hardware.

ProxmoxESXiTrueNAS

Network Segmentation

Implemented corporate and guest wireless separation using VLANs and firewall policies for safer access control.

VLANsFirewallWi-Fi

Backup & Recovery Support

Supported backup troubleshooting, recovery planning, and storage systems for business continuity.

DattoStorageRecovery

Certifications

Certifications & Learning

Fortinet Certified Fundamentals Completed
Fortinet Certified Associate Completed
Microsoft AZ-800 In Progress
Microsoft AZ-104 Planned / In Progress

Contact

Let’s connect.

Interested in IT infrastructure, cloud, networking, and support opportunities.