Marcus Quiroz
Murrieta,CA
Summary
Led diagnostic efforts for complex electrical and mechanical issues, applying technical expertise to optimize repair processes.,Championed safety practices and detail-oriented approaches to enhance repair quality and efficiency.,Cultivated a strong commitment to continuous learning and professional development in electrical and diesel technician fields.
Overview
6
6
years of professional experience
5
5
Certification
Work History
Automotive Mechanic
Old Town Auto Service
Temecula, California
09.2025 - Current
- Diagnosed mechanical, electrical, and performance issues using advanced diagnostic tools and equipment.
- Performed maintenance and repairs on various vehicle make and models, including engines, transmissions, brakes, suspension, and exhaust systems.
- Replaced and repaired major components including engines, transmissions, radiators, suspension systems, and related vehicle systems.
- Tested vehicle systems to verify proper operation of brakes, steering, lighting, and overall performance.
- Completed preventive maintenance services, including oil changes, filter replacements, and fluid inspections.
- Communicated repair recommendations and maintenance needs to customers while providing quality service.
Automotive Technician
Earnhardt Chrysler Jeep Dodge Ram
Gilbert, Arizona
10.2020 - 03.2025
- Diagnosed and repaired complex mechanical, electrical, and HVAC system issues using advanced diagnostic tools, software, and testing equipment.
- Troubleshot automotive electrical systems, including wiring repairs, lighting systems, battery concerns, and electrical component failures.
- Performed HVAC system diagnostics, repairs, and component replacements, including HVAC plumbing, distribution systems, and related electrical controls.
- Conducted engine diagnostics and repairs, including identifying misfires, no-start conditions, irregular crank concerns, and failed components.
- Completed major mechanical repairs, including engine, cylinder head, transmission, driveshaft, transfer case, and drivetrain component replacements.
- Performed suspension, steering, and brake system diagnostics, repairs, installations, and component replacements.
- Utilized hand tools, power tools, diagnostic equipment, and specialty equipment to complete repairs efficiently and safely.
- Completed preventive maintenance services including oil changes, tire rotations, brake services, tire repairs, mounting, and balancing.
- Performed wheel alignments using Hunter alignment equipment and ensured proper vehicle handling and performance.
- Inspected vehicles to identify mechanical concerns, unusual noises, vibrations, and performance issues while developing effective repair solutions.
- Applied strong troubleshooting and problem-solving skills to diagnose complex vehicle systems and recommend repairs.
- Stayed current with evolving automotive technologies, repair procedures, and industry best practices.
- Assisted in training new technicians on shop procedures, safety practices, and quality repair standards.
- Collaborated with service teams to improve workflow, increase efficiency, and deliver high-quality customer service.
Education
Electrical Technology Certificate - undefined
San Joaquin Valley College
Temecula, CA07.2026
High School Diploma - undefined
Tahquitz High School
Hemet, CA06.2019
Skills
Electrical Theory & Troubleshooting
Blueprint & Electrical Schematic Reading
Residential, Commercial & Industrial Wiring
Low-Voltage Systems
Circuit Testing & Diagnostics
Control Systems & Motor Controls
Variable Frequency Drives (VFDs)
Lighting Systems Installation & Maintenance
Wire Installation, Terminations & Repairs
Electrical Testing Equipment (Multimeter, Diagnostic Tools)
Preventive & Predictive Maintenance
Equipment Installation, Repair & Maintenance
HVAC System Diagnostics & Repairs
HVAC Electrical Components & Controls
Mechanical Troubleshooting & Repair
Gasoline, Diesel & Electric-Powered Engine Systems
Automotive & Heavy Equipment Diagnostics
Engine Repair, Component Replacement & Rebuilds
Vehicle Electrical Systems & Wiring Repairs
Diagnostic Equipment Operation
Power Tools & Hand Tool
Certification
- Electrical Technology Certificate -San Joaquin Valley College 2026
- OSHA 10- San Joaquin Valley College 2026
- ASCE
- Driver License
Certificates
ASE A4 suspension & steering
ASE A7 heating and air conditioning
Lockout tag out certification
OSHA 10
CPR certified
Timeline
Automotive Mechanic
Old Town Auto Service
09.2025 - Current
Automotive Technician
Earnhardt Chrysler Jeep Dodge Ram
10.2020 - 03.2025
Electrical Technology Certificate - undefined
San Joaquin Valley College
High School Diploma - undefined
Tahquitz High School