Arnulfo Castillo Castro
Steilacoom,WA
Summary
Dedicated Solar Electrical Technician with over 12 years in construction and field operations. Expertise in solar electrical troubleshooting, wiring installation, and solar panel assembly, with a strong commitment to OSHA safety standards. Proficient in operating forklifts and skid steers, enhancing job-site efficiency and fostering teamwork to ensure safe, productive work environments.
Overview
13
13
years of professional experience
Work History
Insulation Worker
JPP Insulations
04.2025 - 08.2026
Solar Farm Electrical Technician
Power Construction JR
04.2020 - 03.2025
- Installed and wired electrical transformers, service panels, and circuit breakers.
- Installed electrical wiring, conduit, and control components, ensuring compliance with project specifications.
- Diagnosed faults in motors, panels, and circuits using multimeters and test equipment.
- Tested voltage, continuity, and insulation using multimeters, megohmmeters, and other diagnostic tools.
- Worked from ladders, scaffolds and lifts to install, maintain, or repair electrical wiring equipment.
- Operated skid steer and forklift to efficiently transport materials across construction site.
- Operated roller equipment to compact asphalt, soil, and aggregate surfaces, enhancing structural integrity of completed projects.
Insulation Worker
JPP Insulation
03.2013 - 03.2020
- Installed batt, roll, and blown insulation in walls and ceilings for livestock farm projects.
- Measured, cut, and fitted insulation materials to blueprint specifications and irregular surface areas.
- Removed damaged insulation and prepared surfaces for new material application.
- Cut, formed and arranged insulation to promote efficiency of materials for each project.
- Followed safety procedures while handling tools, ladders, stilts and protective equipment onsite.
- Coordinated with crew members to complete layout, placement, and cleanup efficiently.
Education
OSHA 30 Certification -
Telebachillerato Cerro De Nanchital
Veracruz, MexicoSkills
- Cutting and measuring tools
- Reliability and consistency
- Solar Electrical troubleshooting
- High voltage systems
- Cutting and measuring
- Hand and power tools proficient
- Forklift operation
- Scaffolding setup
- Stilt operation
- Solar troubleshooting
- Solar wiring
- Attention to detail
- Team collaboration
- Reliable and consistent
- Able to walk on stilts
Timeline
Insulation Worker
JPP Insulations
04.2025 - 08.2026
Solar Farm Electrical Technician
Power Construction JR
04.2020 - 03.2025
Insulation Worker
JPP Insulation
03.2013 - 03.2020
OSHA 30 Certification -
Telebachillerato Cerro De Nanchital