Summary
Overview
Work History
Education
Certification
Timeline
Generic

Francisco Castrejon

Elmwood Park

Summary

Experienced with comprehensive vehicle diagnostics and repair. Utilizes advanced tools and techniques to ensure optimal performance and safety standards. Knowledge of complex mechanical systems and preventive maintenance, fostering long-term vehicle reliability.

Diligent Desired Position with comprehensive background in vehicle diagnostics, repair, and maintenance. Successfully executed wide range of mechanical and electrical repairs, ensuring optimal vehicle performance. Demonstrated expertise in engine overhauls and brake system repairs, showcasing strong commitment to quality and precision.

Automotive professional with extensive experience in vehicle diagnostics, maintenance, and repair. Adept at solving complex mechanical issues, ensuring vehicles meet safety and performance standards. Committed to fostering team collaboration and delivering consistent results in fast-paced environments. Known for reliability, adaptability, and strong technical skills in engine and system diagnostics.

Overview

2026
2026
years of professional experience
1
1
Certification

Work History

Auto Technician

Logan Square Auto Repair Inc
  • Replaced damaged, missing, or defective parts with new and refurbished components.
  • Serviced vehicles according to OEM recommended maintenance schedules for oil changes, engine tune-ups and fluid changes.
  • Completed full vehicle inspections to check for leaks, damage, or other issues of concern.
  • Tested vehicle components and systems to identify issues.
  • Contributed to team success by assisting with complex repairs and sharing knowledge with junior technicians.
  • Inspected and tested vehicles and completed preventive maintenance such as engine tune-ups, oil changes, tire rotations, wheel balancing, and filter replacement.
  • Changed, rotated, and balanced tires on different types of vehicles.
  • Boosted overall shop productivity by effectively managing multiple tasks simultaneously, such as diagnosing issues, repairing vehicles, and ordering parts.
  • Demonstrated excellent problem-solving skills by quickly identifying root causes of vehicle issues to minimize repeat visits from clients.
  • Upheld high ethical standards in every aspect of work, from client interactions to the quality of repairs performed.
  • Enhanced vehicle performance by conducting thorough diagnostic tests and identifying necessary repairs.
  • Delivered top-notch service by staying up-to-date on the latest industry trends and technological advancements, allowing for innovative solutions to complex problems.
  • Reduced downtime for customers by completing repairs within specified time frames and consistently meeting deadlines.
  • Troubleshot and diagnosed faults with vehicle systems and components using OEM-specific code readers, diagnostic trees, and online knowledge bases.
  • Performed diagnostic and troubleshooting procedures to find and identify root causes of mechanical issues.
  • Performed safety and emissions inspections.
  • Kept equipment in good working order by following operating instructions, troubleshooting breakdowns, and maintaining supplies.
  • Analyzed and located malfunctions in brakes, motors, switches, and control systems.
  • Used specialized tools to detect leaks in gas and refrigerant systems.
  • Serviced air conditioning systems, changed and topped off fluids and completed maintenance inspections.
  • Checked brake systems and determined need of pad replacement, disc turning or other maintenance requirements.
  • Repaired brake, exhaust, electrical and other systems for domestic automotive brands.
  • Repaired and replaced worn and damaged components.
  • Utilized special alignment equipment and wheel-balancing machines to align wheels, axles, frames and steering mechanisms of automobiles.
  • Read and followed technical documentation to complete accurate repairs.
  • Explained maintenance and repair needs to customers and offered advice on preventative maintenance.
  • Investigated customer complaints to identify cause of malfunctions.
  • Inspected damaged vehicles to estimate repair labor cost and required parts expense.
  • Tuned automotive systems and components to optimize functionality and prolong life of each piece.
  • Analyzed vehicle data using advanced diagnostic equipment.
  • Explained estimates and determined repair timelines to manage customer expectations.
  • Tore down, repaired and rebuilt faulty assemblies such as power systems, steering systems and linkages.
  • Corrected faults and maximized performance by rebuilding systems and individual components.
  • Coordinated with parts department to determine availability of necessary components.
  • Performed emissions tests according to standard procedures.

Auto Technician

Brex, Inc

Automotive Technician

Quick Oil

Machine Operator

Georgia Nut Company
  • Followed detailed instructions to operate machines with accuracy and produce quality products.
  • Set up and adjusted equipment and properly configured machines for daily operation.
  • Complied with company and OSHA safety rules and regulations.
  • Demonstrated adaptability by quickly learning how to operate new machinery and implementing newly introduced processes within the production environment.
  • Set up and ran machinery to produce exceptional products for industrial needs.
  • Monitored machines during operation to detect sounds of malfunction or excessive vibration and adjusted machines to eliminate problems.
  • Collaborated with team members to optimize production processes and improve overall performance.
  • Calibrated, tested, and adjusted machine settings or controls in preparation for production operations.

Auto Technician

Belmont Keating Inc. Gus Panos Service
  • Replaced damaged, missing, or defective parts with new and refurbished components.
  • Serviced vehicles according to OEM recommended maintenance schedules for oil changes, engine tune-ups and fluid changes.
  • Completed full vehicle inspections to check for leaks, damage, or other issues of concern.
  • Tested vehicle components and systems to identify issues.

Auto Technician

Dynamic Auto Sports

Machine Operator

Nation Pizza Products

General Laborer/wrapper

Aerotek

Machine Operator

Bakery

Auto Technician

Quick Oil, Inc
02.2022 - Current
  • Replaced damaged, missing, or defective parts with new and refurbished components.
  • Serviced vehicles according to OEM recommended maintenance schedules for oil changes, engine tune-ups and fluid changes.
  • Completed full vehicle inspections to check for leaks, damage, or other issues of concern.
  • Tested vehicle components and systems to identify issues.
  • Increased customer satisfaction by providing timely and accurate estimates for repair costs.
  • Contributed to team success by assisting with complex repairs and sharing knowledge with junior technicians.
  • Inspected and tested vehicles and completed preventive maintenance such as engine tune-ups, oil changes, tire rotations, wheel balancing, and filter replacement.
  • Changed, rotated, and balanced tires on different types of vehicles.
  • Boosted overall shop productivity by effectively managing multiple tasks simultaneously, such as diagnosing issues, repairing vehicles, and ordering parts.
  • Demonstrated excellent problem-solving skills by quickly identifying root causes of vehicle issues to minimize repeat visits from clients.
  • Upheld high ethical standards in every aspect of work, from client interactions to the quality of repairs performed.
  • Enhanced vehicle performance by conducting thorough diagnostic tests and identifying necessary repairs.

Education

Certificate Of Technical Studies - Automotive

Triton College
River Grove, IL

Certification

  • CST - Certified Service Technician

Timeline

Auto Technician

Quick Oil, Inc
02.2022 - Current

Auto Technician

Logan Square Auto Repair Inc

Auto Technician

Brex, Inc

Automotive Technician

Quick Oil

Machine Operator

Georgia Nut Company

Auto Technician

Belmont Keating Inc. Gus Panos Service

Auto Technician

Dynamic Auto Sports

Machine Operator

Nation Pizza Products

General Laborer/wrapper

Aerotek

Machine Operator

Bakery

Certificate Of Technical Studies - Automotive

Triton College
Francisco Castrejon