Sergio Mendiola
Los Angeles,CA
Summary
Dynamic professional with a strong background in information support at the U.S. Army, excelling in network administration and communication. Proven ability to enhance operational efficiency and security awareness while managing complex technical issues. Adept at leveraging learning agility to adapt and thrive in fast-paced environments.
Overview
4
4
years of professional experience
1
1
Certification
Work History
Tea Crafter
BOBA TIME
Pasadena, USA
06.2023 - Current
- Assisted customers efficiently
- Brewed tea and cooked boba.
Information Support SPC
U.S. ARMY
Bell, USA
08.2022 - Current
- Worked with all forms of communication, from satellites to radios.
* Support a fleet of 20+ Windows 11 laptops; perform device reimaging for Windows 11 deployments, and workstation setup for new users.
• Triaged and resolved end-user incidents via the Army ticketing system (intake, categorization, escalation, resolution notes).
• Troubleshoot and resolve office peripherals (printers, projectors), escalating complex issues as needed.
• Built and tested numerous RJ-45 Ethernet cables; performed connectivity checks. Support communications equipment, including satellite and radio systems, to enable mission connectivity.
Guard
Guards Systems Inc
Los Angeles, USA
10.2021 - 06.2022
- Secured a 13-story residential building; enforced access control while assisting residents with daily needs.
- Managed front desk operations and visitor logging; monitored building and safety systems, and protected residents’ PII.
- Documented incidents and coordinated with management and responders per procedure.
Education
Computer Information Systems -
Cal State La
Los Angeles, CA01.2026
Diploma -
Alhambra High
Alhambra, CASignal Support Systems Diploma - Technical communications, IT, and network systems training
US ARMY
Georgia, CABasic Leader Course (BLC) Diploma - Leadership development and team management training
US ARMY
Georgia, CAGraphic Design -
Cal State La
Los Angeles, CASkills
- Adobe Photoshop
- Information security awareness
- Network administration
- Network security
- Communication
- System admin
- Learning agility
Certification
- Career Essentials in System Administration, Microsoft and LinkedIn
- Introduction to Cybersecurity, Cisco Networking Academy
- Foundations Of Cybersecurity, Google
- Cybersecurity Awareness: Cybersecurity Terminology, LinkedIn
- CyberSecurity Job Simulation, MasterCard by Forage
- Comprehensive Car Mechanic Training, Alison
- Programming for Everybody (Getting Started with Python), University Of Michigan
- Fortinet Certified Fundamentals in Cybersecurity
- Hardware and Operating Systems, IBM
Hobbies and Interests
- Automotive systems
- Computer hardware
- Cybersecurity
- Mechanical skills
Timeline
Tea Crafter
BOBA TIME
06.2023 - Current
Information Support SPC
U.S. ARMY
08.2022 - Current
Guard
Guards Systems Inc
10.2021 - 06.2022
Computer Information Systems -
Cal State La
Diploma -
Alhambra High
Signal Support Systems Diploma - Technical communications, IT, and network systems training
US ARMY
Basic Leader Course (BLC) Diploma - Leadership development and team management training
US ARMY
Graphic Design -
Cal State La