Antonio Berthfield
Specializing in Hybrid Cloud Infrastructure and Enterprise Virtualization with over 6 years of proven success.
Latest Achievement
Successfully restructured Local AD to a Hybrid O365 model and migrated file shares to SharePoint Online.
Certifications
IT Help Desk Lvl 2
Network Services And Support Lvl 2
Virtualization
ESXi Clusters
vCenter Management
XCP-NG Deployment
Proxmox Deployment
Technical Expertise
Cloud & Hybrid
Active Directory (Hybrid O365), Azure AD, SharePoint Online, AWS Administration.
Infrastructure
ESXi Clustering (vCenter), XCP-NG, Proxmox, Automated VM Backups (Veeam/XOA).
Networking
Switch/Firewall Config (Cisco, Fortigate, Unifi), VLAN Segmentation, VPN Tunneling.
Core Stack
Expertise in ESXi 7, XCP-NG, and Proxmox orchestration.
Experience
System Administrator
- Modernized infrastructure by replacing aging ESXI 6.5 hosts with an ESXI 7 cluster.
- Implemented automated backup solutions for VMs and network equipment.
- Implemented monitoring for VMs and network equipment to reduce outage reaction times.
- Engineered automated on/offboarding workflows using Microsoft Flow, PowerShell, and GPOs to ensure consistent permission sets and immediate access revocation.
- Zero-Touch Provisioning: Automated the initial configuration of desktops, laptops, and mobile devices, reducing manual IT intervention and increasing asset accountability.
Desktop Support Specialist
- Administered O365 and AWS environments while managing Active Directory OUs and Group Policies.
Technical Lab Environment
A sandbox environment for simulating enterprise infrastructure and security hardening.
Hypervisors & Compute
Maintaining high-availability XCP-NG and Proxmox clusters.
- Testing VM migration and resource balancing.
- Deploying XOA (Xen Orchestra) for centralized management.
Networking & Security
Managing a tiered network using Cisco, Unifi, and pfSense.
- Implementing VLAN segmentation for secure environments.
- Firewall rule optimization and VPN tunneling.
Data Integrity
Utilizing Veeam and XOA Community for automated backup workflows.
- Simulating Disaster Recovery (DR) scenarios.
- Verifying backup integrity for critical virtualized workloads.