Diagnostic Technician - Automotive

Job Summary

A growing automotive repair facility in Fountain Valley, CA is seeking an experienced Diagnostic Technician - Automotive for a direct hire opportunity. This role is ideal for a highly skilled Automotive Diagnostic Technician or Master Technician who can independently diagnose complex vehicle issues and complete advanced mechanical repairs with accuracy, efficiency, and pride in workmanship.

This is a strong opportunity for a technician who wants to work in a professional, team-oriented repair environment where advanced diagnostic ability is valued. The right candidate will join a shop focused on quality repairs, clear communication, safety, and long-term customer satisfaction. This position is well suited for someone who enjoys solving challenging vehicle problems, working with modern diagnostic tools, and contributing to a positive, high-performing service team.

Key Responsibilities

- Perform advanced diagnostics on domestic, import, hybrid, and electric vehicles, including electrical, drivability, CAN Bus, and high-voltage system concerns.
- Complete complex mechanical repairs such as engine repair and replacement, head gasket service, timing chain and belt service, transmission replacement, drivetrain repairs, suspension, steering, and brake repairs.
- Diagnose and repair hybrid and EV systems, including HV battery removal and replacement, inverter and DC-DC converter diagnosis, and hybrid cooling system service.
- Use OEM-level scan tools, lab scopes, wiring diagrams, electrical schematics, and digital service information to identify root causes accurately.
- Inspect vehicles thoroughly, identify additional repair or maintenance needs, and document diagnostic findings and repair recommendations clearly.
- Collaborate with service advisors on repair needs, completion timelines, and quality expectations while maintaining a clean, organized, and safe work area.

Compensation and Benefits

- Compensation: $35 per hour.
- Employment Type: Direct hire.

Equal Opportunity Employer / Disabled / Protected Veterans

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For temporary assignments lasting 13 weeks or longer, AppleOne is pleased to offer major medical, dental, vision, 401k and any statutory sick pay where required.

We are committed to working with and providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation for any part of the employment process, please contact your staffing representative who will reach out to our HR team.

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We also consider for employment qualified applicants regardless of criminal histories, consistent with legal requirements, including, if applicable, the City of Los Angeles’ Fair Chance Initiative for Hiring Ordinance. Pursuant to applicable state and municipal Fair Chance Laws and Ordinances, we will consider for employment-qualified applicants with arrest and conviction records, including, if applicable, the San Francisco Fair Chance Ordinance. For Los Angeles, CA applicants: Qualified applications with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act.

Additional Skills

Required Qualifications and Skills

- Perform advanced automotive diagnostics on electrical, drivability, mechanical, hybrid, and EV systems.
- Complete major mechanical repairs, including engine, transmission, drivetrain, suspension, steering, and braking systems.
- Use scan tools, lab scopes, wiring diagrams, and OEM service information to diagnose complex vehicle concerns.
- Document findings accurately and communicate repair recommendations effectively with the service team.

- Minimum of 5 years of professional experience as an Automotive Technician, Diagnostic Technician, or Master Technician.
- Strong experience with advanced diagnostics and complex mechanical repair, not limited to basic parts replacement.
- Advanced knowledge of engine performance, drivability, electrical troubleshooting, voltage drops, shorts, opens, and CAN Bus communication systems.
- Experience diagnosing and repairing engines, transmissions, drivetrains, suspension, steering, and brake systems.
- Working knowledge of OEM repair procedures, service information, and preventative maintenance standards.
- Ability to work independently, troubleshoot systematically, and produce high-quality, comeback-free repairs.
- Strong attention to detail, safety awareness, organization, and professionalism in a shop environment.

Preferred Qualifications

- Experience with hybrid and electric vehicle systems is highly preferred.
- Previous dealership or high-level independent repair shop experience is a plus.
- Experience with high-voltage battery replacement, inverter diagnosis, DC-DC converter replacement, and hybrid cooling system repairs is preferred.
- Master Technician level skill set or equivalent advanced diagnostic background is preferred.