Jonathan Serna
Hayward
Summary
Skilled Construction Helper with hands-on experience in assisting construction projects. Possess strong understanding of building processes, safety protocols, and tool usage. Demonstrated ability to follow directions, learn quickly, and contribute to team success. Notable for improving project efficiency through effective materials management and task prioritization.
Overview
2026
2026
years of professional experience
Work History
Construction Helper
Older Brother
San Francisco
03.2025 - 04.2025
- Worked long hours outdoors under extreme weather conditions when necessary.
- Operated power tools such as saws, drills, grinders, nail guns.
- Assisted with the demolition of existing structures and removal of debris.
- Performed minor repairs on equipment when needed.
- Organized tools and supplies to ensure easy access during projects.
- Loaded and unloaded construction materials from delivery trucks.
- Cleaned job sites daily to maintain a safe work environment.
- Moved supplies and tools to site areas to keep work moving smoothly.
- Participated in team meetings to understand project objectives and timelines.
- Participated in mixing and laying concrete, following precise instructions.
- Learned and mastered skilled trade specialties under guidance of expert mentors.
Dishwasher
doug’s place
Castro Valley
01.2024 - 04.2024
- Sanitized surfaces after each use following standard sanitation practices.
- Performed routine maintenance tasks such as cleaning filters in the dishwashing machine.
- Transported clean dishes and supplies from kitchen to front of house staff for opening shift.
Pizza Maker
Express Pizza
Hayward
12.2022 - 02.2023
- Cleaned and sanitized kitchen surfaces and equipment.
- Organized storage areas for unused ingredients or supplies.
- Handled customer orders in a timely manner, ensuring accuracy of order.
- Maintained inventory of ingredients such as cheese, vegetables, meats and spices.
- Inspected workstations for cleanliness before beginning shift.
Dishwasher
doug’s place
Castro Valley
Education
Hayward High School
Hayward, CaliforniaSkills
- Power tool operation
- Equipment maintenance
- Supply organization
- Safety compliance
- Team collaboration
- Effective communication
- Time management
- Problem solving
- Electrical support
- Demolition assistance
Timeline
Construction Helper
Older Brother
03.2025 - 04.2025
Dishwasher
doug’s place
01.2024 - 04.2024
Pizza Maker
Express Pizza
12.2022 - 02.2023
Dishwasher
doug’s place
Hayward High School