David Ballestero
North Highlands,CA
Summary
Proactive and goal-oriented professional with excellency in attention to detail and problem-solving skills. Known for reliability and a good attitude, with swift capacity to learn and apply new skills. Committed to using these qualities to drive team success and contribute to organizational growth.
Overview
3
3
years of professional experience
1
1
Certification
Work History
HVAC-R Preventative Maintenance/Assistant
Jerico Mechanical
09.2024 - 01.2025
- Supported senior technicians in the installation, repair, and maintenance of various HVAC systems.
- Increased longevity of HVAC systems by performing preventive maintenance.
- Conducted regular inspections of installed systems to guarantee optimal performance levels were upheld consistently over time.
- Exemplified professionalism at all times when interacting with clients, colleagues, and supervisors to maintain a positive company reputation.
- Maintained safe work environments by adhering to strict safety protocols and guidelines.
- Closed out work orders after verifying completion with customers and reporting discrepancies discovered on job site.
- Conducted maintenance service on HVAC systems to increase life expectancy of equipment and prevent costly repair work.
- Kept accurate records of time and materials used for each job to compile into service reports.
- Communicated with team members, ensuring smooth workflow and task completion.
Sheet Metal Apprentice
Airco Mechanical
06.2024 - 09.2024
- Enhanced project efficiency by assisting in the fabrication, assembly, and installation of sheet metal products.
- Developed hands-on skills through regular use of hand tools, power tools, and welding equipment in daily tasks.
- Supported team members with cutting, bending, and fastening pieces of sheet metal for various projects.
- Streamlined workflow by maintaining inventory levels and ensuring proper storage of materials and tools.
- Increased workplace safety by maintaining a clean and organized work area, adhering to safety protocols.
- Strengthened professional development by attending industry-related workshops, seminars, and conferences regularly.
- Ensured high-quality standards were met during inspections while identifying any areas needing improvement or correction.
- Achieved smooth finishes on fabricated items using grinding tools to eliminate sharp edges or imperfections.
- Reduced material waste by carefully calculating required materials based on project specifications before procurement.
- Fastened joints and seams together to assemble components into sheet metal products.
Plumbing Apprentice
Iron Mechanical
09.2022 - 10.2023
- Supported team members by collaborating on projects for improved service delivery.
- Maintained inventory of plumbing supplies to facilitate seamless project execution.
- Maintained clean work areas to prevent accidents and ensure compliance with regulations.
- Assembled pipes and fittings to create new plumbing systems.
- Gained valuable experience through hands-on training under the guidance of skilled master plumbers.
- Listened to instructions from journeyman plumber, gaining valuable onsite job training.
- Performed basic and semi-skilled work under supervision and instruction from lead plumber.
- Tested for leaks in new and repaired systems to verify functional and safe working condition.
- Safely handled tools and equipment in large-scale projects.
- Enhanced team productivity by maintaining a clean and organized work environment for plumbing tasks.
- Increased efficiency of pipe installations by accurately measuring, cutting, threading, and assembling materials as needed.
- Followed safety practices with tools and general behaviors to prevent accidents and safeguard equipment.
- Assisted master plumbers with complex projects, resulting in successful completion within deadlines.
- Organized and moved materials from truck to job site to support project requirements.
- Implemented safety protocols on job sites to minimize risks and maintain compliance with industry regulations.
- Streamlined inventory management, ensuring necessary tools and supplies were readily available for each job site.
Vineyard Laborer
Wise Villa Winery
06.2022 - 08.2022
- Ensured a clean and organized work environment by maintaining tools, equipment, and facilities throughout the season.
- Assisted in the production of high-quality wines by hand-harvesting grapes at optimal ripeness levels.
- Improved vineyard productivity by diligently pruning and thinning grapevines.
- Enhanced grape quality through careful canopy management and cluster thinning techniques.
- Promoted healthy vine growth with regular suckering, shoot positioning, and leaf removal tasks.
- Collaborated with other team members to complete seasonal vineyard projects on schedule or ahead of deadlines.
- Communicated effectively with vineyard managers and supervisors to ensure a seamless workflow and address any issues or concerns promptly.
- Performed landscaping duties to cut down weed growth and maintain a presentable vineyard to customers.
Education
High School Diploma -
South Sutter Charter School
Nicolaus, CA05-2022
Skills
- Willingness to learn
- Clear communication
- Critical thinking
- Problem Solving Skills
- Landscaping
- Customer Service
- HVAC/R Preventative Maintenance
- Hand and power tool use
Certification
- Forklift Certification
- Cal/OSHA 10 Certification
- EPA 608 Universal Refrigerant Certification
Timeline
HVAC-R Preventative Maintenance/Assistant
Jerico Mechanical
09.2024 - 01.2025
Sheet Metal Apprentice
Airco Mechanical
06.2024 - 09.2024
Plumbing Apprentice
Iron Mechanical
09.2022 - 10.2023
Vineyard Laborer
Wise Villa Winery
06.2022 - 08.2022
High School Diploma -
South Sutter Charter School
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