David Castillo
Whittier
Summary
Dedicated, dependable and respectful team player with strong communication skills and the ability to collaborate effectively across diverse work environments. Experienced in construction projects with a strong focus on efficiency, safety, quality, and clear communication. Known for punctuality, adaptability, meeting deadlines, and maintaining a positive, problem-solving mindset. Eager to contribute to successful project outcomes while continuing to grow within the industry.
Overview
5
5
years of professional experience
1
1
Certification
Work History
Groundman
Cedar Creek Corporation
11.2025 - Current
- I work as a Groundman supporting line crews by hand-digging pole and anchor holes, setting utility poles, and assisting with rigging and equipment setup. My responsibilities include reading spreadsheets and job specifications, operating jackhammers and other heavy tools, and using tripod systems, safety harnesses, and shoring equipment. I also serve as firewatch, assist with fire and storm restoration, and follow all safety protocols and PPE requirements.
Groundman
Precision Directional Boring Grid Works
08.2025 - 10.2025
- Follow instructions from supervisors to ensure efficient project progress, and adhere to all health, safety, and environmental regulations. Assisted with excavation, trenching, and backfilling on civil and utility projects, supported equipment operators and helped with material handling, site preparation. As well as maintaining clean, safe, and organized work areas in compliance with safety standards. Operated hand and small power tools across the job site. Set up temporary works such as barriers, shoring, and safety signage. Drove 10-wheelers with trailer & rigging excavators to trailer, and heavy equipment materials.
Ready Mix Driver
National Ready Mix Company
03.2021 - 08.2025
- Safely operated commercial ready-mix truck to transport and deliver concrete to various construction sites. Performed thorough pre- and post-trip inspections to ensure vehicle safety while maintaining product quality during transit and delivery. Collaborated with dispatch and on-site personnel to ensure both timely and efficient deliveries. Navigated challenging job site conditions while following all company and safety regulations. Completed documentation with regards to delivery and accurate driver logs.
Education
Certificate - Electrical Lineworker Program
Northwest Lineman College
Oroville, CA07.2025
High School Diploma -
St. Paul High School
Whittier, CA01.2015
Skills
- Equipment & Tool Management
- Safe Work Practices
- Teamwork & Collaboration
- Health & Safety Compliance
- Machinery Operations
- Strong Communication Skills
Certification
Valid Class A CDL with Tanker and Air Brake Endorsements
2021-Current
Timeline
Groundman
Cedar Creek Corporation
11.2025 - Current
Groundman
Precision Directional Boring Grid Works
08.2025 - 10.2025
Ready Mix Driver
National Ready Mix Company
03.2021 - 08.2025
Certificate - Electrical Lineworker Program
Northwest Lineman College
High School Diploma -
St. Paul High School