Mobile Fleet Technician: Onsite Diesel Diagnostics & Growth

W.W.Williams; Cranston (RI); On-site; USD 65,000 - 85,000; Full time

Benefits offered by this job

Paid holidays

Paid time off

401(k) with company match

Company-paid training

Growth opportunities

Job summary

W.W.Williams in Rhode Island is seeking a Mobile Fleet Technician to perform on-site preventive maintenance, diagnostics, and repairs on diesel engines and heavy‑duty trucks at customer locations. The role requires independence, DOT compliance, and a safety‑first mindset.

You will use diagnostic software, plan repairs, train junior techs, and maintain accurate records for invoicing. Requirements include 3+ years in diesel repair, a technical certificate, valid driver’s license, and ASE/T4/T7/T8

Qualifications

• 3+ years of diesel repair experience or more in fleet/dealership/mobile environments.
• Certificate from a technical school or equivalent hands‑on experience.
• Valid Driver’s License and DOT Medical Card (or ability to obtain).
• ASE Certifications: T4, T7, T8; MACS 609 or equivalent mobile A/C certification.

Responsibilities

• Perform quality repairs and preventive maintenance on diesel engines and heavy‑duty trucks per manufacturer specifications.
• Conduct vehicle inspections to identify damaged or worn parts.
• Create and execute repair plans, estimating labor hours and parts.
• Diagnose and repair electrical systems, HVAC, emissions, and other components.
• Complete PM services, DOT inspections, and documentation accurately.

Skills

Diesel repair

Diagnostic & troubleshooting

Safety-conscious

Customer communication

Manual dexterity

Education

Technical certificate

Tools

Diagnostic software

Microsoft Office

Job description

W.W.Williams in Rhode Island is seeking a Mobile Fleet Technician to perform on-site preventive maintenance, diagnostics, and repairs on diesel engines and heavy‑duty trucks at customer locations. The role requires independence, DOT compliance, and a safety‑first mindset.

You will use diagnostic software, plan repairs, train junior techs, and maintain accurate records for invoicing. Requirements include 3+ years in diesel repair, a technical certificate, valid driver’s license, and ASE/T4/T7/T8