David Kim
Summary
Highly skilled Field Service Technician with hands-on experience installing, wiring, testing, commissioning, and repairing low-voltage security systems and vehicle electrical equipment. Experienced in conduit routing, Cat 5 wiring, loop installation, camera systems, modem and network connectivity, GPS tracking, and advanced diagnostics and troubleshooting for major national retailers and commercial fleet operations.
Overview
8
8
years of professional experience
Work History
Field Service Technician
Gatekeeper Systems
03.2024 - Current
- Install and commission complete retail security systems for national grocery and big-box chains
- Install Door Manager controllers (central control units managing door locking/unlocking loops, alarm logic, and signaling)
- Install LRT / EAS antennas, tag detection systems, and CCTV camera systems
- Perform concrete cutting and trenching for loop installation
- Run conduit, pull low-voltage cabling, including Cat 5 wiring, splice, terminate, test, and tune systems
- Troubleshoot broken loops, wiring faults, controller errors, CT units, and alarm conditions
- Produce formal service documentation and commissioning reports
- Retail Clients: Kroger Company (Ralphs, Food 4 Less, Smith’s, Fry’s, etc.), Albertsons Companies (Albertsons, Vons, Safeway, etc.), Walmart Inc., The Home Depot
Owner / Lead Technician
Pacific Window Repair / DBKore LLC
01.2018 - Current
- Perform specialty carpentry, custom wood window fabrication, and frame restoration
- Repair and replace broken glass, insulated glass units, and specialty panes
- Repair, rebuild, and replace window frames, sashes, balances, tracks, rollers, and locking hardware
- Perform custom window retrofits and structural frame repairs
- Manage scheduling, estimates, procurement, invoicing, and customer relations
12-Volt Installation Technician
OEM Quality Solutions LLC
07.2024 - 02.2025
- Install GPS tracking systems and in-cab / exterior cameras in Amazon fleet vehicles and semi-trucks
- Install tail lights, marker lights, sensors, and auxiliary electrical components
- Perform circuit testing, voltage diagnostics, and system verification
- Maintain DOT-compliant installation and fleet safety standards
Skills
- Low-Voltage Construction
- CCTV & Security Systems
- Door Manager Controllers
- LRT / EAS Systems
- Conduit Bending & Routing
- Concrete Cutting & Trenching
- Cat 5 & Low-Voltage Wiring
- Wire Pulling & Splicing
- Multimeter / Ohm Testing
- GPS Systems
- Fleet Electrical
- Carpentry & Frame Restoration
- System installation
- Security system configuration
- Equipment troubleshooting
- Project management
- Quality assurance
- Attention to detail
- Time management
- Modem testing
- Customer relationship management
- GPS system installation
- Security system installation
- Low-voltage wiring
- CCTV integration
Timeline
12-Volt Installation Technician
OEM Quality Solutions LLC
07.2024 - 02.2025
Field Service Technician
Gatekeeper Systems
03.2024 - Current
Owner / Lead Technician
Pacific Window Repair / DBKore LLC
01.2018 - Current