David Mulligan
Automotive
Simi Valley,CA
Summary
I have been a Master Technician with ASE Certifications A-1 through A-8 also L-1 Certification (advanced engine performance). In 2020 I was promoted to Mechanical Manager where I did not renew my Certifications. I am a results driven professional with Manager Leadership skills and an extensive background of experience in automotive diagnostics, troubleshooting, and repairs. I'm ready to bring my experience and contribute to team success while further developing professional skills.
Overview
9
9
Certification
30
30
years of professional experience
Work History
Frontline Mechanical Manager
CarMax
- Delivered exceptional customer service, addressing inquiries and resolving issues promptly.
- Assisted in vehicle inspections, ensuring compliance with safety standards and quality assurance.
- Coordinated vehicle preparation for sale, optimizing presentation standards to enhance customer appeal and engagement.
- Coordinated closely with supervisors to address operational challenges proactively, leading to improved overall performance.
- Performed daily opening/closing duties diligently, ensuring that the workplace was always ready for operation at the start or end of each business day.
- Consistently met performance goals, utilizing strong multitasking and prioritization skills.
Lead Mechanical Technician
CarMax
- Led mechanical troubleshooting and repairs on automotive systems to ensure operational efficiency.
- Supervised daily workflow of technicians, optimizing resource allocation and task management.
- Trained and mentored junior technicians in best practices for mechanical maintenance and safety protocols.
- Implemented process improvements that enhanced repair turnaround times and reduced service delays.
Line Production Manager
CarMax
Oxnard, CA
12.2010 - 06.2025
- Analyzed production data to identify trends and drive continuous improvement initiatives.
- Enhanced production efficiency by streamlining processes and implementing lean manufacturing techniques.
- Managed internal operational standards and productivity targets.
- Conducted regular performance reviews, identifying areas for improvement and implementing targeted developmental plans.
- Reviewed maintenance and repair problems to determine appropriate action for resolution.
- Managed scheduling of resources to meet production targets consistently.
- Fostered a culture of safety by enforcing best practices across the production floor.
Automotive Technician
Whitney's Auto/RV & Smog Shop
Simi Valley, CA
04.1995 - 11.2010
- Diagnosed and repaired vehicle issues using advanced diagnostic tools and equipment.
- Maintained a clean and organized work environment, demonstrating pride in personal workspace while contributing to overall shop cleanliness.
- Performed diagnostic and troubleshooting procedures to find and identify root causes of mechanical issues.
- Completed full vehicle inspections to check for leaks, damage, or other issues of concern.
- Replaced damaged, missing, or defective parts with new and refurbished components.
- Improved vehicle performance by conducting thorough diagnostic tests and repairing or replacing faulty components.
- Troubleshot and diagnosed faults with vehicle systems and components using OEM-specific code readers, diagnostic trees, and online knowledge bases.
- Investigated customer complaints to identify cause of malfunctions.
Education
High School Diploma -
Simi Valley High School
Simi Valley, CA06-1990
Skills
- Performance tracking
- Complaint handling
- Multitasking Abilities
- Problem-solving skills
- Adaptability and flexibility
Accomplishments
- Supervised team of 50 staff members.
- Achieved promotions by completing Manager development programs with accuracy and efficiency.
- Used Microsoft Excel to develop inventory tracking spreadsheets.
- Achieved multiple recognitions through effectively helping with problem solving tasks and associate development.
Certification
- Master technician, Carmax - 15 years
Timeline
Line Production Manager
CarMax
12.2010 - 06.2025
Automotive Technician
Whitney's Auto/RV & Smog Shop
04.1995 - 11.2010
Frontline Mechanical Manager
CarMax
Lead Mechanical Technician
CarMax
High School Diploma -
Simi Valley High School