Senior Mobile Service Technician

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

• Base Pay $45.00 - $55.00 / Hour
• Employee Type Regular Full Time
• Required Degree High school
• Manage Others No

Contact information

• Phone [phone]

Wiers Fleet Partners | Denver, Colorado | Full Time | $45 to $55 Hourly

Put Your Expertise in Motion. Build What’s Next.

You’ve built your skills in the shop by solving tough problems, making quality repairs, and knowing what it takes to keep equipment moving. Now you’re ready for a role that gives you more independence, more variety, and the opportunity to bring that experience directly to customers when they need it most.

At Wiers, our Senior Mobile Diesel Technicians take their expertise into the field, providing advanced diagnostics and dependable repairs at fleet customer locations. You’ll troubleshoot complex mechanical and electrical issues, make confident decisions on-site, and work directly with customers to keep their operations running. You’ll have the freedom to take ownership of your day while being supported by a fully equipped mobile service truck and an experienced team behind you.

This is an opportunity to put your experience to work in a bigger way. Your technical knowledge, problem-solving ability, and sound judgment will help you deliver quality repairs while building lasting relationships with customers who depend on you. Every service call is a chance to make an impact, strengthen trust, and show what an experienced technician can do.

If you’re ready for a career that gives you more independence, meaningful responsibility, and the opportunity to take your expertise on the road, Wiers is ready to help you move forward.

Why Wiers

Modern Tools & Technology

Work with advanced diagnostic equipment and a fully outfitted mobile truck—so you can perform at a high level and stay ahead in a changing industry.

Ongoing Growth

We invest in you with continuous training and clear opportunities to advance your career.

Team-Driven Culture

You may work independently, but you’re never on your own. Our team values communication, respect, and sharing knowledge.

Work That Matters

Your work keeps essential fleets moving—supporting businesses, communities, and the supply chain every day.

Strong Benefits Package

Competitive pay, comprehensive benefits, and support for your life on and off the job.

Compensation

• $45–$55 per hour
• Performance bonuses
• Fully equipped premium mobile service truck
• Paid training to set you up for success in the field
• Medical, Dental, and Vision coverage
• 401(k) with company match
• Up to 2 weeks paid vacation (with growth over time)
• 7 paid holidays
• Company-paid life and long-term disability insurance
• Short-term disability coverage
• Gym membership reimbursement
• Free uniforms, safety boots, and safety glasses

The Lifestyle

• Monday–Friday, 8:00 AM – 5:00 PM
• No daily shop commute—your work comes to you
• Planned routes with advanced scheduling
• Independence in the field with strong team support
• Build real relationships with customers

What You’ll Do

You’ll be the go-to expert when fleets need service at their location.

• 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

What You Bring

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

Preferred Experience

• ASE certifications
• Mobile or field service background
• Advanced diagnostic training

The Right Mindset

• You solve problems, you don’t wait for answers
• You manage your time and territory effectively
• You take pride in doing the job right
• You represent yourself and the company professionally
• You stay current and keep learning

About Wiers Fleet Partners

Since 1964, Wiers has helped keep commercial trucks on the road. We’ve built our reputation on reliability, trust, and technicians who care about the quality of their work. Our customers count on us—and that starts with people like you.

Ready to Go Mobile?

If you’re looking for the independence of field service with the stability of a respected company—and you want your work to be recognized,we should talk.