CHRISTINA CASTILLO
McAllen,TX
Summary
Dedicated IT Support Specialist with hands-on experience providing Level 1 technical support in fast-paced environments. Skilled in troubleshooting Windows-based systems, managing service tickets, and supporting end users with hardware, software, and network-related issues. Experienced in installing, configuring, and maintaining desktops, laptops, and peripherals to ensure optimal performance. Strong communicator with the ability to explain technical concepts clearly to non-technical users. Actively expanding knowledge in networking, systems administration, and cybersecurity.
Overview
10
10
years of professional experience
1
1
Certification
Work History
Broadband Dispatcher
City of Pharr
Pharr, TX
10.2025 - Current
- Managed service tickets related to network and connectivity issues
- Coordinated with technicians to resolve technical problems
- Maintained accurate records of service requests
- Identified disruptions and initiated corrective actions
- Communicated between teams and end users
Help Desk Specialist
City of Pharr
Pharr, TX
02.2025 - 10.2025
- Provided Level 1 technical support via phone, email, and ticketing systems
- Troubleshot Windows PCs, laptops, printers, and software issues
- Performed password resets and user account support
- Installed and configured hardware and software
- Documented tickets and resolutions
- Communicated technical issues to non-technical users
Sign Installation & Sales Specialist
MB Signs
McAllen, TX
06.2023 - 01.2025
- Installed and configured equipment and components while ensuring proper functionality and safety standards
- Troubleshot on-site issues to maintain project timelines and minimize downtime
- Managed work orders, scheduling, and task coordination across multiple projects
- Communicated with clients to gather requirements and provide technical support during installations
- Maintained accurate documentation of project details, materials, and timelines
Social Media Coordinator
Sport Clips
McAllen, TX
12.2022 - 12.2023
- Managed digital platforms and tools to maintain consistent online presence and user engagement
- Monitored online systems and responded to customer inquiries, providing timely issue resolution
- Analyzed engagement data to identify trends and improve performance outcomes
- Collaborated with team members to support content deployment across multiple platforms
- Maintained account access, security practices, and platform functionality
Manager
Ez Cuts – Hair Salon
01.2016 - 01.2019
- Managed scheduling systems and maintained accurate digital records for staff and operations
- Troubleshot day-to-day operational issues, ensuring minimal disruption to business workflows
- Coordinated payroll and administrative systems, ensuring data accuracy and consistency
- Resolved customer and staff issues using structured problem-solving approaches
- Generated reports and analyzed data to support business decisions
- Trained staff on systems, processes, and operational tools
Education
South Texas College
McAllen, TXVogue College of Cosmetology
McAllen, TXPSJA Memorial
Alamo, TXSkills
- Operating Systems: Windows 10/11 (familiar with Windows 7/8)
- Hardware Support: PCs, laptops, printers, scanners, mobile devices
- Networking: Basic IP addressing, Wi-Fi troubleshooting, remote desktop tools
- Tools: Zendesk, Microsoft 365, ticketing systems, Camvio
- System Administration (Basic): User accounts, MFA, permissions
- Troubleshooting: Hardware, software, connectivity issues
- Security: Password management, phishing awareness, endpoint basics
- Documentation: Ticketing, asset tracking, knowledge base updates
Certification
- TMLIRP Cybersecurity Certification – 2025
- Cisco Certified Support Technician (Networking) – 2025
- IT Specialist: Network Security – 2025
- IT Specialist: Networking – 2025
Timeline
Broadband Dispatcher
City of Pharr
10.2025 - Current
Help Desk Specialist
City of Pharr
02.2025 - 10.2025
Sign Installation & Sales Specialist
MB Signs
06.2023 - 01.2025
Social Media Coordinator
Sport Clips
12.2022 - 12.2023
Manager
Ez Cuts – Hair Salon
01.2016 - 01.2019
South Texas College
Vogue College of Cosmetology
PSJA Memorial