CG

Systems Administrator

Infrastructure | Active Directory | Intune | M365 | Network Management

3+ years of hands-on infrastructure experience in K-12 education. Specialized in device management at scale, directory services, and operational automation.

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Experience

IT Technician

Mayflower School District

Aug. 2023 – Sep. 2025

  • Managed Active Directory infrastructure supporting 1,000+ users across K-12 environment
  • Deployed and maintained MECM/Google Admin for 500+ device management and application provisioning
  • Designed and implemented VLAN segmentation and network access controls across district supporting over 100 Switches and 300 Access Points
  • Reduced helpdesk ticket response time through automation and process optimization
  • Administrated Google Workspace environment for staff and student accounts

Systems Administrator

Vilonia School District

Sep. 2025 – Present

  • Managed Active Directory/Google Workspace/Microsoft 365 supporting 4,000+ users across K-12 environment
  • Deployed and maintained MECM/Intune for 1000+ device management and application provisioning
  • Designed and implemented VLAN segmentation and network access controls across district supporting over 100 Switches and 300 Access Points
  • Reduced helpdesk ticket response time through automation and process optimization
  • Administrated Google Workspace environment for staff and student accounts

Infrastructure & Systems

Active Directory & Identity

Multi-site AD infrastructure with GPO management, security groups, and delegation models. Experience with hybrid Azure AD and conditional access policies.

Device Management

Intune/MECM administration covering Windows 10/11 deployment, compliance policies, conditional access, and application provisioning at scale.

Networking & VLANs

Network segmentation design, VLAN configuration on Aruba/Cisco switches, DNS/DHCP management, and network troubleshooting.

Cloud & SaaS

Microsoft 365 administration including Teamviewer Integration, SharePoint, and Google Admin management for Chromebook environments.

K-12 Environment Architecture

Internet
   ↓
[Firewall / UTM] → Network Segmentation
   ├─ Admin VLAN
   ├─ Staff VLAN  
   ├─ Student VLAN
   └─ Guest VLAN
   ↓
[Meraki Access Points] ← WiFi Management
   ↓
[Active Directory] ← Identity & Authorization
   ├─ Computer Objects
   ├─ User Objects
   └─ Group Policy
   ↓
[Intune] ← Device Compliance & Apps
   ├─ Enrollment
   ├─ Configuration Profiles
   └─ App Deployment

Technical Stack

Directory Services

Active Directory Group Policy Azure AD LDAP

Device Management

Intune MECM Windows Updates Compliance Policies

Cloud & Collaboration

Microsoft 365 Checkpoint MDR/EDR Teamviewer Google Workspace Admin

Networking

Access Point Optimization DNS/DHCP Cisco/Aruba Switches Network Segmentation/VLANs

Automation & Scripting

PowerShell SIS Integration Process Automation

Certifications

CompTIA Net+ (In Progress) MD-102 / AZ-104 (Target)

Systems Lab

Simulated PS Lab Environment. Try commands like: about, projects, skills, or help for full list.

PS C:\Users\caleb>

Get in Touch

Email: calebgibson.it@gmail.com LinkedIn GitHub