On‑Site Mobile Diesel Technician — Trucks & Equipment

Rush Enterprises, Inc; Charleston (SC); On-site; USD 41,328 - 82,656; Full time

Benefits offered by this job

Healthcare benefits

401(k) with company match

Employee stock purchase plan

Performance-based incentives

Ongoing training and development

Job summary

Rush Enterprises, Inc. is seeking an Experienced Mobile Diesel Technician to service fleets at client sites. Join a leading network of commercial vehicle dealers and help ensure diesel trucks and equipment operate reliably.

The role demands 5 years in class 7/8 repair environments, diagnostic skills, and the ability to work independently with after-hours availability. CDL is preferred; medical card and ASE certifications are valued. This full-time position offers competitive pay and benefits.

Qualifications

• High school diploma or GED required.
• At least 5 years as a Class 7 & 8 technician in a dealership or truck service facility.
• CDL preferred but not required.
• Medical card as required by the FMVSS.
• Mechanical aptitude and technical ability are essential.
• Peterbilt/International/Ford/Hino/Isuzu/Cummins/ASE certifications are preferred.

Responsibilities

• Maintain equipment per company standards.
• Perform basic truck maintenance: fueling, oil checks, cleaning, and inspections.
• Manage service truck inventory and stocking.
• Report to Service Manager and follow daily duties.
• Be available for after-hours calls and flexible schedule.
• Maintain and inventory tools for diesel truck maintenance.
• Read job orders, assess vehicle operation, plan procedures.
• Use diagnostic equipment and manuals to identify and repair.
• Diagnose and replace components like injectors, pistons, bearings, transmissions and brakes.
• Run diagnostics and document work in the company system.
• Inspect safety guards/bolts and adjust as needed.
• Lubricate parts and verify repairs meet specs.
• Perform preventive maintenance.
• Document work and update mobile service program.
• Handle customer inquiries and maintain relations.
• Advise on upcoming repairs within 3 months.
• Participate in training and apply it on the job.

Skills

Class 7&8 diesel tech experience

Current CDL (preferred)

Mechanical aptitude

ASE certifications (preferred)

Education

High school diploma or GED

Tools

Diagnostic equipment

Mobile service software

Job description

Rush Enterprises, Inc. is seeking an Experienced Mobile Diesel Technician to service fleets at client sites. Join a leading network of commercial vehicle dealers and help ensure diesel trucks and equipment operate reliably.

The role demands 5 years in class 7/8 repair environments, diagnostic skills, and the ability to work independently with after-hours availability. CDL is preferred; medical card and ASE certifications are valued. This full-time position offers competitive pay and benefits.