Mobile Diesel Fleet Technician — On‑Site Diagnostics & PM

El Pollo Loco, Inc.; Cleveland (OH); On-site; USD 60,000 - 85,000; Full time

Benefits offered by this job

8 Paid Holidays

Paid time off

Medical, Dental, and Vision Insurance

401k with Company Match

Company Paid Training

Growth and Leadership Opportunities

Job summary

W.W. Williams is seeking a Mobile Fleet Technician to perform on-site preventive maintenance and repairs on diesel engines and heavy-duty trucks at customer locations. The role requires strong diagnostics, adherence to DOT standards, and the ability to work independently in varied environments.

The position emphasizes quality repairs, accurate documentation, and safety compliance, with opportunities to train junior technicians and grow within a nationwide service network.

Qualifications

• 3+ years of diesel repair experience; 5-7 years preferred in fleet/mobile environments.
• Valid Driver's License
• DOT Medical Card (or ability to obtain)
• Strong diagnostic and troubleshooting skills across multiple systems (brake, emissions, electrical, HVAC)
• Familiarity with repair planning and parts reuse
• Proficient in Microsoft Office and diagnostic software
• Clear written and verbal communication
• Ability to work in physically demanding environments.

Responsibilities

• Perform quality repairs and preventive maintenance on diesel engines and heavy-duty trucks per manufacturer specifications.
• Conduct thorough vehicle inspections to identify damaged, worn, or broken parts.
• Create and execute job repair plans based on diagnostics, including estimating labor hours and required parts.
• Diagnose and repair electrical systems, A/C systems, emissions controls, and other diesel engine components.
• Complete PM services, DOT inspections, and documentation accurately and thoroughly.
• Use diagnostic software and follow electronic repair procedures.
• Maintain a clean and safe work area, both on customer sites and in the company vehicle.
• Maintain accurate records for invoicing and warranty claims.
• Utilize company tools appropriately and maintain a personal tool inventory per company policy.
• Support and train junior technicians as needed.
• Adhere to all safety, EPA, and company policies.

Skills

Diesel repair

Fleet/mobile tech experience

Diagnostics

Repair planning

Microsoft Office

Written/verbal communication

Education

Technical school certificate

ASE Certification: T4, T7, T8

MACS 609 or mobile A/C

Tools

Diagnostic software

Job description

W.W. Williams is seeking a Mobile Fleet Technician to perform on-site preventive maintenance and repairs on diesel engines and heavy-duty trucks at customer locations. The role requires strong diagnostics, adherence to DOT standards, and the ability to work independently in varied environments.

The position emphasizes quality repairs, accurate documentation, and safety compliance, with opportunities to train junior technicians and grow within a nationwide service network.