Senior Mobile Diesel Technician - On-Site Diagnostics Pro

American RENOLIT Corporation; Nashville (TN); On-site; USD 52,000 - 61,000; Full time

Benefits offered by this job

Medical, Dental, and Vision coverage

401(k) with company match

Up to 2 weeks paid vacation

7 paid holidays

Company-paid life and long-term disa b

Short-term disability coverage

Gym membership reimbursement

Free uniforms, safety boots, andSafety

Job summary

Wiers Fleet Partners in Nashville is seeking a Master Mobile Diesel Technician to diagnose and repair diesel systems at the customer’s location. You’ll manage your own service territory with a fully equipped mobile truck and build direct relationships with fleets that rely on you.

You will work independently yet have strong team backing, using advanced diagnostics to keep fleets moving and compliant. The role offers autonomy, growth, and a supportive environment that values safety and

Qualifications

• 6+ years of diesel technician experience.
• Strong diagnostic and repair capabilities.
• High school diploma or GED.
• Valid driver’s license (CDL preferred, not required).
• Ability to handle heavy components and work in field conditions.
• Customer-focused mindset with professional communication skills.

Responsibilities

• Diagnose and repair diesel systems on-site—from routine maintenance to complex issues.
• Perform DOT inspections and preventive maintenance.
• Keep fleets compliant, reliable, and operational.
• Representing Wiers with professionalism, consistency, and skill.

Skills

Diesel diagnostics

Diesel engine repair

Field service

Customer service

Education

High school diploma or GED

Tools

Diagnostic equipment

Job description

Wiers Fleet Partners in Nashville is seeking a Master Mobile Diesel Technician to diagnose and repair diesel systems at the customer’s location. You’ll manage your own service territory with a fully equipped mobile truck and build direct relationships with fleets that rely on you.

You will work independently yet have strong team backing, using advanced diagnostics to keep fleets moving and compliant. The role offers autonomy, growth, and a supportive environment that values safety and