Diesel Technician (Medium & Heavy Duty)

Acts Fleet Maintenance; Johnson City (TN); Hybrid; USD 28,000 - 69,000; Full time

Benefits offered by this job

401(k) with company matching

Health, Dental, Vision insurance

Health Savings Account (HSA)

Life insurance

PTO

Paid uniforms and training

Job summary

ACTS Fleet in Johnson City, TN is seeking an experienced Diesel Technician (Medium & Heavy-Duty) to service in-shop and on-site fleet vehicles. The role emphasizes uptime, safety, and first-time repair quality.

You’ll work with advanced diagnostics, electrical systems, and emissions components, with ongoing OEM training and a clear path for career growth within the Technician Growth Program. Competitive benefits accompany a team‑oriented environment.

Qualifications

• Proven experience as a medium/heavy-duty diesel technician.
• Strong diagnostic software skills.
• Ability to work independently and follow shop processes.
• Valid driver’s license; CDL preferred but not required.

Responsibilities

• Perform advanced diagnostics using OEM and aftermarket scan tools.
• Repair diesel engines, brakes, suspensions, drivelines, and transmissions.
• Troubleshoot electrical systems and emissions components.
• Conduct preventative maintenance and DOT inspections.
• Represent ACTS Fleet professionally on-site and in the field.

Skills

Diesel tech exp

Diagnostic software

Independence

Driver's license

CDL preferred

Tools

OEM/aftermarket scan tools

Job description

Diesel Technician (Medium & Heavy-Duty) — ACTS Fleet

If your output is higher than everyone else in your shop—your environment should reflect it.

At ACTS Fleet in Johnson City, TN , we built this role for experienced diesel technicians who know their craft, take pride in their work, and want a shop where performance, structure, and respect actually align.

Compensation & Schedule

• Pay Range: $20.00 – $50.00 per hour (Based on experience and output)
• Earnings Potential: Earn 20–30% above the local industry average
• Frequency: Weekly pay , paid every Friday
• Schedule: 3-day weekends every other week for real work-life balance

Why Technicians Choose ACTS Fleet

• Paid OEM Training: Continuous technical education including Mitsubishi, Cummins, and NAPA.
• Modern Operations: Clean facility, updated equipment, and well-supported mobile field service vehicles.
• Career Growth: Clear advancement paths through our proprietary Technician Growth Program©.
• Premium Benefits: Comprehensive health coverage, retirement match, and paid uniforms.

What Makes This Different

High-performing technicians shouldn’t be held back by a chaotic environment. At ACTS Fleet, everything is built on structured processes, consistent standards, direct communication with leadership, and total autonomy without micromanagement.

The Work (Shop & Mobile Field Service)

You’ll work on medium and heavy-duty commercial trucks and fleet vehicles—both in-shop and independently in the field with a focus on uptime, safety, and getting repairs done right the first time.

• Advanced Diagnostics: Reading fault codes and analyzing data on late-model trucks using OEM and aftermarket scan tools.
• System Repairs: Diesel engines, brake systems, suspension, steering, drivelines, and transmissions.
• Electrical & Emissions: Troubleshooting complex electrical systems and emissions components.
• Preventative Maintenance: Conducting rigorous DOT inspections, fluid changes, and brake checks.
• Field Ownership: Representing ACTS Fleet professionally while diagnosing and repairing equipment directly on-site.

What You Bring

• Proven Experience: Strong hands-on experience as a medium/heavy-duty diesel technician.
• Diagnostic Skills: Advanced proficiency with diagnostic software and mechanical troubleshooting.
• Independence: Capability to handle complex issues alone and follow structured shop processes.
• Licensing: Valid driver’s license required; CDL preferred , but not required.

Full Benefits Package

• 401(k) with company matching
• Health, Dental, and Vision insurance
• Health Savings Account (HSA)
• Life insurance
• Paid Time Off (PTO)
• Paid uniforms and continuous technical training

Bottom Line:

Stronger technicians should be doing higher-level work—in an environment that recognizes it. If you know diesel, we want to talk.

Work Location:

In‑person (Shop in Johnson City, TN) and on the road (Mobile Field Service).