Senior Mobile Diesel Technician — On‑Site Field Expert

American RENOLIT Corporation; Denver (CO); On-site; USD 62,000 - 76,000; Full time

Benefits offered by this job

Fully equipped mobile service truck

Medical, Dental, and Vision coverage

401(k) with company match

Paid vacation

Paid holidays

Life insurance (company-paid)

Short-term disability

Gym membership reimbursement

Job summary

Wiers Fleet Partners in Denver, CO is seeking an experienced Senior Mobile Diesel Technician to diagnose and repair diesel systems at fleet locations. You’ll troubleshoot complex mechanical and electrical issues on-site, perform DOT inspections, and keep fleets compliant while delivering top-notch customer service.

The role offers independence with a fully equipped mobile service truck, strong team support, and a comprehensive benefits package including paid training, medical/dental/vision,

Qualifications

• 5+ years of diesel technician experience.
• High school diploma or GED required.
• Valid driver’s license; CDL preferred but not required.
• Strong diagnostic and repair 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 on the road.
• Represent Wiers with professionalism and consistency.

Skills

Diesel diagnostics

On-site repairs

DOT inspections

Education

High school diploma or GED

Tools

Advanced diagnostic equipment

Job description

Wiers Fleet Partners in Denver, CO is seeking an experienced Senior Mobile Diesel Technician to diagnose and repair diesel systems at fleet locations. You’ll troubleshoot complex mechanical and electrical issues on-site, perform DOT inspections, and keep fleets compliant while delivering top-notch customer service.

The role offers independence with a fully equipped mobile service truck, strong team support, and a comprehensive benefits package including paid training, medical/dental/vision,