Francisco Izaguirre

System Access Administrator @ Advanced Call Center Technologies, LLC

About

System Access Administrator and Computer Science student with enterprise IT experience in access control, Active Directory, Linux, networking, and automation. Strong interest in DevOps and systems engineering, with hands-on experience supporting large-scale environments, automating troubleshooting, and resolving high-impact incidents across multi-client infrastructures.

Country

United States

City

Weslaco

Industry

Information Technology & Services

Skill

Account Management, Analytical Skills, Nextjs, Database Development, Vercel, Cloud Firestore, Firebase, Databases, Database Design, Database Administration, Software Deployment, System Deployment, Network Deployment, Next.js, Web Development, Full-Stack Development, JavaScript, Application Programming Interfaces (API), Git, Gitlab

Experience

System Access Administrator

Advanced Call Center Technologies, LLC

2025-3 - Present · 1 yr 7 mos

Harlingen, Texas, United States

• Administered credentials for 6,800+ users using BRIVO and Paxton, provisioning and revoking building access across 30+ facilities. • Managed contractor lifecycle access for 160+ user profiles through Fieldglass for the USAA project, handling onboarding, off-boarding, and role modifications to meet compliance requirements. • Oversaw system access control and security protocols, ensuring authorization levels, reducing unauthorized access, and maintaining audit trails for compliance and accountability

IT Helpdesk Technician

Advanced Call Center Technologies, LLC

2024-6 - Present · 2 yrs 4 mos

Harlingen, Texas, United States

• Resolved 2,000+ technical work orders, including 550+ real-time incidents and 1,300+ scheduled requests, providing hands-on support for software failures, VPN and network issues, and domain errors. • Prevented ~$10,000 per incident by following Proofpoint security protocols to identify and contain phishing attempts, confidential data exposure, and DLP-flagged emails. • Developed 20+ PowerShell automation scripts to streamline troubleshooting and accelerate system fixes, including time zone correction, DNS flush/registering, and Event Viewer diagnostics for GPO, login, and network failures. • Led 50+ major incident response calls for enterprise severities across 30+ clients such as AT&T, USAA, and Fiserv; and coordinated troubleshooting efforts across networking, development, and regional/executive teams

Student Assistant

Texas A&M AgriLife Extension Service

2023-9 - 2024-6 · 10 mos

Weslaco, Texas, United States

• Configured 40+ workstations and tracked, accounted for, and distributed 100+ devices to faculty, ensuring proper OS installation and software readiness. • Diagnosed technical issues by consulting users, performing system diagnostics, and referencing technical documentation

Computer Technician

Donna Independent School District

2022-8 - 2022-12 · 5 mos

Donna, Texas, United States

• Completed 60+ work orders, imaged 100+ systems, and managed inventory and distribution of 3,000 devices for district-wide deployment. • Supported IT operations across 5 Donna ISD facilities, assisting with system setup, maintenance, and endpoint setup

Education

The University of Texas Rio Grande Valley

Computer Science

2023-1 - 2026-5 · 3 yrs 5 mos

Courses: Computer Organization and Assembly Language, Programming in UNIX / Linux environment, Mathematical Foundations of Computer Science, Operating Systems

South Texas College

Computer Specialist

2019-1 - 2022-12 · 4 yrs

Certificates: Information and Network Systems, Computer and Information Technology Specialist Courses: Fund of Networking Tech, Implement/Support servers, Networking with TCP/IP, Integrated Software Applications, Web Page Programming, Database Programmig, Operating System Security