Diogo Marquez-Guerrero
Huntington Park
Summary
ASE-certified automotive technician with over six years of experience in diagnostics, repair, and maintenance. Background includes work in the automotive and general repair roles. Additional experience in construction has built strong hands-on skills and adaptability. Eager to expand into new fields bringing a strong work ethic, mechanical aptitude, and willingness to learn.
Overview
2026
2026
years of professional experience
1
1
Certification
Work History
Automotive Technician Advanced Tech
Jiffy Lube
Bellflower
04.2022 - 11.2024
- Earned Automotive Career Exploration (ACE) certification, demonstrating strong foundational knowledge in automotive systems and safety procedures.
- Perform comprehensive diagnostics, maintenance, and repairs on domestic and foreign vehicles, including engine, brake, electrical, and suspension systems.
- Completed multiple industry-recognized automotive training programs and technical courses to enhance diagnostic and repair capabilities. .
- Deliver high-quality customer service by clearly communicating technical issues, providing repair recommendations, and ensuring customer satisfaction.
- Independently manage all aspects of business operations, including scheduling, parts sourcing, bookkeeping, and client relations.
- Maintain a clean, organized work environment while adhering to safety regulations and staying up to date with evolving automotive technology.
Automotive Technician
Self-employeed
Huntington Park
02.2019 - 06.2025
- Demonstrated knowledge of applicable safety procedures while performing repairs.
- Diagnose, repair, and maintain a wide range of vehicles, including domestic and foreign makes and models.
- Followed established guidelines for troubleshooting and diagnosing various types of automotive systems.
- Attended technical training courses when available to increase knowledge base.
- Communicated effectively with customers about repair progress and costs involved.
- Provide comprehensive automotive services, including engine diagnostics, brake repair, suspension work, electrical system troubleshooting, and routine maintenance.
- Communicate clearly with clients to explain vehicle issues, recommend repairs, and provide accurate cost and time estimates.
- Manage all aspects of a small business, including scheduling, invoicing, inventory control, customer service, and vendor relations.
- Ensure compliance with safety regulations and maintain detailed service records.
- Stay current with industry trends and technology through continued education and training.
Construction Worker
Family Business
Los Angeles
- typically an intermittent role collaborating with uncle and dad
- Provided assistance to supervisors when needed completing additional duties as assigned.
- Operated a variety of tools to excavate, move and grade earth for foundations, trenches and roads.
- Measured distances accurately using tape measures or laser measuring devices.
- Utilized power tools such as saws, drills and sanders when necessary on projects.
- Followed blueprints or engineering plans to determine the best methods of assembling structures.
- Lifted heavy objects into place with cranes or hoists.
Automotive Technician
AAMCO Transmissions
Bellflower
03.2022 - 11.2025
- Followed established guidelines for troubleshooting and diagnosing various types of automotive systems.
- Performed maintenance inspections, tune-ups, oil changes and other key services.
- Performed troubleshooting and diagnostic procedures to locate source of malfunctions.
- Used diagnostics and troubleshooting tools to identify failures and equipment issues.
Sales Associate
AutoZone
Huntington Park
09.2020 - 11.2021
- Assisted customers with product selection, sizing and styling.
- Organized stockroom shelves according to size, color or style.
- Maintained cleanliness of store environment including floors, windows, displays.
- Greeted customers and provided exceptional customer service.
- Processed returns, exchanges, and refunds in accordance with company policies.
- Handled customer complaints in a professional manner.
- Built and maintained relationships with peers and upper management to drive team success.
- Used technology resources to assist customers in locating and selecting items.
Education
ASE (Automotive Service Excellence) - Automotive
ASE (Automotive Service Excellence)
ONLINE03-2024
GED -
Odyssey High School
South Gate, CA06-2019
Skills
- Engine diagnostics
- Brake repair
- Electrical troubleshooting
- Suspension work
- Routine maintenance
- Customer service
- Vehicle inspection
- Safety compliance
- Parts ordering
- Problem solving
- Technical communication
- Strong work ethic
- Repair quotes
- Team collaboration
- Maintaining records
- Able to lift
- Welding techniques
- Attention to detail
- Troubleshooting skills
Certification
- ASE (Automotive Service Excellence) certifications are credentials that demonstrate a technician's knowledge and skills in automotive repair and maintenance. These certifications are highly valued in the automotive industry
- Class C Drivers Licence
Affiliations
- In my free time, I enjoy working on cars and electronics, constantly seeking opportunities to learn new skills and expand my technical knowledge.
Languages
English
Native/ Bilingual
Spanish
Native/ Bilingual
Timeline
Automotive Technician Advanced Tech
Jiffy Lube
04.2022 - 11.2024
Automotive Technician
AAMCO Transmissions
03.2022 - 11.2025
Sales Associate
AutoZone
09.2020 - 11.2021
Automotive Technician
Self-employeed
02.2019 - 06.2025
Construction Worker
Family Business
ASE (Automotive Service Excellence) - Automotive
ASE (Automotive Service Excellence)
GED -
Odyssey High School
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