Brennon Allen's Portfolio
Well-rounded tech professional with a broad background in desktop support (Tier 1 and 2),
network engineering, and web
development.
Skills

Work Experience
IT Engineer
SISL InfoTech
Feb 2025 – Present
- Manage IT assets in a hospital environment
- Troubleshoot escalated user-support tickets
- Configure and distribute desktops, mobile devices, and printers
Junior Computer Systems Engineer / Architect
Beacon Hill
May 2024 – Aug 2024
- Completed a tech refresh project for approximately 1,500 users
- Shipped, tracked, and managed inbound/outbound assets
- Re-imaged laptops as needed for troubleshooting or updating the OS
- Transferred user data using User State Migration Tool for each migration
- Managed endpoints using KACE to access device resources and run scripts
Desktop Support Technician II
Apex Systems
Oct 2023 – Jan 2024
- Worked independently to schedule appointment times for migrating users endpoints to a new domain controller
- Collaborated in a small team using Google Sheets to track progress and ServiceNow for documentation
- Met with users across all departments to ensure a smooth transition of their software, data, and network connections
- Performed meticulous tasks to prevent and troubleshoot disruptions
- Provided contingency support to users experiencing bugs/data loss during migration
Desktop Support Technician
Endeavor Managed Services
Mar 2023 – Aug 2023
- Shipped, received, and re-imaged computers using Microsoft Excel for documentation
- Tested software solutions to help migrate from an on-premises domain controller to Microsoft Azure hybrid cloud environment
- Migrated user data on endpoints using Profile Wizard
- Removed security software (SentinelOne) from all devices and installed a new software solution (FortiClient)
- Mitigated security incidents involving phishing emails and malicious Chrome extensions
- Resolved tickets relating to Mitel, Office 365, licensing, and software issues using NinjaRMM for endpoint management
- Created user accounts in the Office 365 Admin Portal
- Active Directory hygiene (disabled/deleted inactive accounts and updated information)
- Reviewed and applied software patches and system updates to all devices in the infrastructure
Information Technology Specialist
U.S. Army
Feb 2019 – Feb 2023
- Configured and deployed iOS mobile devices for mission-critical personnel
- Assisted in the setup and configuration of VTC environments
- Managed user accounts in Active Directory, verified documentation for Unclassified and Classified network access, and monitored cyber awareness compliance
- Provisioned user accounts using government web applications that handle licensing for VPN, email, and mobile access
- Setup and configuration of Local Area Networks
- Used spectrum analyzers to establish Wide Area Network connections via Satellite
- Diagnosed and resolved hardware and software issues