Mobile Fleet Mechanic — Field Service (NorCal)

Sonic; Santa Rosa (CA); On-site; USD 69,000 - 82,000; Full time

Benefits offered by this job

Competitive pay

Full Benefits package

Paid training

Collaborative team culture

Career advancement opportunities

Extended education opportunities

Company Paid Pregnancy/Bonding Leave

Job summary

Sonic is seeking a Mobile Mechanic in NorCal to diagnose, repair, maintain, and service fleet vehicles, trailers, equipment, and assets in the field and at designated facilities. The role emphasizes safety, quality, customer service, and integrity to keep fleet operations compliant.

This full-time, benefited position requires 3–5 years of mechanic experience, knowledge of gasoline and diesel systems, and proficiency with diagnostic tools.

Qualifications

• 3–5 years experience as a mechanic or fleet/mobile mechanic.
• Strong knowledge of gasoline and diesel engine systems.
• Experience with electrical diagnostics and troubleshooting.
• Familiarity with hydraulic systems and trailer maintenance.
• ASE certifications preferred; CDL is a plus but not required.

Responsibilities

• Perform preventative maintenance inspections on company vehicles and equipment.
• Diagnose and repair mechanical, electrical, hydraulic, and fuel system issues.
• Conduct brake, suspension, cooling, engine, and drivetrain repairs.
• Coordinate with Fleet Management on repair priorities and vehicle availability.
• Maintain accurate maintenance and repair records.
• Support field service calls and roadside diagnostics.
• Ensure repairs meet safety and regulatory standards.

Skills

Diesel engine systems

Gasoline engine systems

Electrical diagnostics

Hydraulic systems

Diagnostic software

Scan tools

Wiring diagrams

Problem solving

Valid driver’s license

ASE certifications

Tools

Diagnostic software

Scan tools

Job description

Sonic is seeking a Mobile Mechanic in NorCal to diagnose, repair, maintain, and service fleet vehicles, trailers, equipment, and assets in the field and at designated facilities. The role emphasizes safety, quality, customer service, and integrity to keep fleet operations compliant.

This full-time, benefited position requires 3–5 years of mechanic experience, knowledge of gasoline and diesel systems, and proficiency with diagnostic tools.