Mobile Diesel Fleet Technician — On-Site Diagnostics & Repairs

W.W.Williams; Savannah (GA); On-site; USD 55,000 - 75,000; Full time

Benefits offered by this job

8 Paid Holidays

Paid time off

Employee Referral Bonus Program

Medical, Dental, and Vision Insurance

401k with a Company Match

Company Paid Training

Growth and Leadership Opportunities

Job summary

The W.W. Williams in Savannah, GA is seeking a Mobile Fleet Technician to perform on-site preventive maintenance, inspections, diagnostics, and repairs on diesel engines and heavy-duty trucks at customer locations.

This role requires 3+ years of diesel repair experience, ASE certifications, and a technician mindset to work independently, manage repair plans, and maintain documentation while complying with DOT standards and safety policies.

Qualifications

• 3+ years of diesel repair experience; 5-7 years preferred in fleet, dealership, or mobile technician environments.
• Certificate from a technical school or equivalent hands-on experience.
• Valid Driver’s License.
• DOT Medical Card (or ability to obtain).
• ASE Certifications: T4 (Brakes), T7 (HVAC), T8 (PM).
• MACS 609 or equivalent mobile A/C certification.
• Strong diagnostic and troubleshooting skills across multiple systems (brake, emissions, electrical, HVAC).
• 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.

Job description

The W.W. Williams in Savannah, GA is seeking a Mobile Fleet Technician to perform on-site preventive maintenance, inspections, diagnostics, and repairs on diesel engines and heavy-duty trucks at customer locations.

This role requires 3+ years of diesel repair experience, ASE certifications, and a technician mindset to work independently, manage repair plans, and maintain documentation while complying with DOT standards and safety policies.