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It Support Field Service

Location:
Los Angeles, CA
Posted:
November 09, 2025

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Resume:

Diego Pantaleon

Corona, CA Cell: 909-***-**** Email: ***************@*****.***

CAREER SUMMARY

Detail-oriented QA and Field Service Technician with certifications in CompTIA A+, ITF+, and Google IT Support. Skilled in diagnosing, repairing, and maintaining computers, servers, and peripherals. Experienced in BIOS configuration, system imaging, and ISO 9001 quality standards. Strong customer service background with proven ability to resolve technical issues efficiently while ensuring client satisfaction. Proven track record in identifying and troubleshooting issues, ensuring high-quality performance and customer satisfaction. Committed to applying a comprehensive skill set to drive product excellence and deliver outstanding service.

SKILLS & QUALIFICATIONS

● Certifications: CompTIA ITF+, Google IT Support, CompTIA A+Oct 2023

● Technical Skills: Windows OS, VirtualBox, BIOS/UEFI, Imaging & Burn-in Testing, Networking Concepts, Security Awareness, Salesforce, ISO 9001 Compliance, Microsoft Office Suite, Google Workspace

● Soft Skills: Detailed Oriented, Time Management, Inventory Management, Troubleshooting, Problem Solving, Communication EDUCATION & TRAINING

NPower IT Training Program Aug 2022 - Dec 2023

San Jose, CA

● CompTIA ITF+ CompTIA A+ Google IT Support

● Security Concepts Cloud Fundamentals Software Development Hardware Software Networking Troubleshooting High School Diploma Aug 2016 - May 2020

Ruben S. Ayala High School; Chino Hills, CA

● Relevant Coursework: Digital Imaging, Excel, Word, PowerPoint HANDS-ON VIRTUAL LABS AND PROJECTS

Information Technology Training (NPower) 2023 Aug 2022 - Dec 2023

● Installed and set up VirtualBox to run other OS including: Mac OS, Linux, and Oracle.

● Configured BIOS/UEFI on PC to change boot order, manage memory settings, change hardware settings.

● Virtually assembled a PC designed for cinema under a $1200 budget while keeping track of all compatible components.

● Programmed JavaScript via Scratch to implement actions such as branching, looping, “if” “else” “when” statements, etc. when ran, to demonstrate a scene in less than 2 minutes.

● Photoshopped and edited preset pictures to meet criteria in Digital Imaging class in 10th grade. PROFESSIONAL EXPERIENCE

Field Service Representative/Technician Jan 2025 - Aug 2025 Sharp Business Systems; Santa Fe Springs/Costa Mesa

● Installed, maintained, and repaired Sharp equipment across assigned territory.

● Resolved 85% of service calls independently post-training.

● Performed mechanical/electronic adjustments per technical manuals and bulletins.

● Resolves most normal customer relations situations and communicates any unusual customer situations to a higher level.

● Maintains parts inventory and achieves acceptable levels of inventory control and usage.

● Completes all required administrative functions in an accurate and timely manner.

● Collaborated with senior technicians and managers to achieve service goals.

● Keeps Group Leader or Branch Field Service Manager informed of machines performing below standards and reports all actions taken towards resolution.

● Ability to read and analyze schematics and complete all electrical troubleshooting as outlined in the service manual and bulletins

● Understand and coordinate multiple tasks while performing duties, such as ordering parts while still troubleshooting issues. QA Technician Feb 2024 - Dec 2024

Core Systems; Poway, CA

● Assembled ruggedized systems for military/contractor use.

● Reported quality issues to QA supervisor and implemented corrective actions.

● Configured BIOS settings and installed software/Windows OS images.

● Conducted 24–48 hr burn-in testing and documented repair reports.

● Processed RMAs and communicated repair updates with clients via Salesforce.

● Communicate with clients via email/phone call for repair quotes and updates about repairing their system.

● Follow ISO 9001 policy.

Computer Repair Technician Dec 2023 - Feb 2024

Carlsbad Repair Center; Carlsbad, CA

● Ticketed an average of 15+ clients daily for technical service.

● Diagnosed and repaired PCs, laptops, gaming consoles, printers, and appliances.

● Delivered clear explanations of repair work and preventive care to customers.

● Built 5–10 custom gaming PCs per week tailored to client needs.

● Organized and maintained high-end products on display for clients that would come into the store.



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