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TD
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Teddy Deleon

@teddydeleon

Systems Administrator specializing in Windows endpoint management, Intune/Azure security, patching, and enterprise PC infrastructure.

United States
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What I'm looking for

I’m looking for a Systems Administrator role where I can own Windows endpoint management and security (Intune/Azure/Defender), keep patching current, and provide reliable help desk support—without sacrificing security, uptime, or user experience.

I’m a Systems Administrator focused on keeping enterprise Windows environments stable, secure, and easy to support. I’ve built a career around hands-on endpoint management, security administration, and practical troubleshooting that users can feel.

In my current roles, I support 500 endpoints and handle admin work across Intune, Azure, and Defender. I’m responsible for patching endpoints with security updates and supporting day-to-day operational needs like help desk and system administration.

With long-term experience in PC infrastructure, I’ve created Windows images for 2,000+ machines and administered anti-virus, patching, and encryption environments at scale. I managed an anti-virus server protecting 2,500+ endpoints and servers, ran security patching using Landesk, and supported encrypted remote machines by managing keys and endpoint encryption responsibilities.

I also bring broader IT coverage through education in computer networking, practical systems analysis, and certifications including A+, Network+, and Security+. I aim to keep environments modern (including Office 365 rollouts) while ensuring security, reliability, and responsive support for the people who depend on the systems.

Experience

Work history, roles, and key accomplishments

TS

Field Service Engineer

Texas Department of Family Protective Services

Jan 2023 - Dec 2024 (1 year 11 months)

Served as a system administrator supporting 500 endpoints, administering Intune, Azure, and Defender. Performed endpoint security patching and provided help desk support.

TI

Sr. PC System Analyst

Texas Farm Bureau Insurance

Owned multiple PC and security infrastructure responsibilities, including creating Windows images for 2,000+ machines and administering antivirus and security patching services. Administered encryption for remote machines, supported software deployment via Landesk, and participated in a major Office 365 rollout.

Education

Degrees, certifications, and relevant coursework

Texas State Technical College logoTC

Texas State Technical College

Associate's degree, Computer Networking

1996 - 1999

Earned an associate’s degree in Computer Networking at Texas State Technical College in Waco from 1996 to 1999.

Tech stack

Software and tools used professionally

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