1

Diesel Assistant Jobs in Tennessee (NOW HIRING)

Diesel Mechanic

Madison, TN · On-site

$31.02/hr

OTHER JOB DUTIES: * Assist other employees in section work. * Refer unusual situations to ... Certificate in Diesel Technology, Automotive Technology or similar. PHYSICAL DEMANDS: * Medium to ...

Complete work orders accurately * Assist with mobile emergency repair services when needed Diesel Technician Qualifications * At least 3 years of diesel or automotive maintenance and repair ...

Complete work orders accurately. * Assist with mobile emergency repair services when needed. Diesel Technician Qualifications * At least 2-4 years of diesel or automotive maintenance and repair ...

Complete work orders accurately. * Assist with mobile emergency repair services when needed. Diesel Technician Qualifications * At least 2-4 years of diesel or automotive maintenance and repair ...

Diesel Mechanic

Madison, TN · On-site

$31.02/hr

OTHER JOB DUTIES: * Assist other employees in section work. * Refer unusual situations to ... Certificate in Diesel Technology, Automotive Technology or similar. PHYSICAL DEMANDS: * Medium to ...

Diesel Mechanic

Memphis, TN · On-site

$26.50/hr

Complete work orders accurately * Assist with mobile emergency repair services when needed Diesel Technician Qualifications * At least 3 years of diesel or automotive maintenance and repair ...

Complete work orders accurately. * Assist with mobile emergency repair services when needed. Diesel Technician Qualifications * At least 2-4 years of diesel or automotive maintenance and repair ...

Diesel Tech

Nashville, TN · On-site

$30 - $35/hr

The technician will perform job duties independently with limited supervision mentor and assist ... Our diesel/fleet mechanics service external customers as well as Coca-Cola Consolidated fleet ...

Diesel Tech

Memphis, TN · On-site

$30 - $35/hr

The technician will perform job duties independently with limited supervision mentor and assist ... Our diesel/fleet mechanics service external customers as well as Coca-Cola Consolidated fleet ...

next page

Showing results 1-20

Diesel Assistant information

What is a diesel assistant?

Diesel Assistants are support personnel who assist with the maintenance, repair, and operation of diesel-powered vehicles and equipment, commonly in railway or transportation sectors. Their duties often include checking and fueling engines, performing routine inspections, assisting mechanics, and ensuring that diesel locomotives or machinery operate efficiently. Diesel Assistants work under the supervision of senior technicians or engineers and play a crucial role in keeping the equipment running smoothly and safely. This position is often entry-level and can serve as a stepping stone to more advanced roles within the diesel maintenance field.

What skills and qualifications are needed to be a diesel assistant?

To thrive as a Diesel Assistant, you need foundational mechanical knowledge, basic diesel engine repair skills, and often a high school diploma or equivalent. Familiarity with diagnostic tools, hand and power tools, and safety protocols is essential, and some employers may require completion of a diesel technology training program. Strong attention to detail, a willingness to learn, and effective teamwork are valuable soft skills in this role. These capabilities ensure safe, efficient maintenance of diesel equipment and contribute to the smooth operation of fleet or repair shop environments.

What challenges do diesel assistants face when supporting maintenance teams?

Diesel Assistants often encounter challenges such as working in noisy, fast-paced environments and handling physically demanding tasks like lifting heavy parts or equipment. They may also need to quickly adapt to changing priorities as emergency repairs or breakdowns arise. Collaborating effectively with mechanics and technicians is essential for smooth workflow, and maintaining a strong attention to safety procedures is crucial due to the nature of working with heavy machinery and hazardous materials.

What is the difference between Diesel Assistant vs Diesel Mechanic?

AspectDiesel AssistantDiesel Mechanic
CertificationsBasic automotive or diesel engine training, possibly a CDLASE certification in diesel engines, technical diploma
Work EnvironmentAssist with maintenance, inspections, and basic repairs in garages or fleet settingsPerform complex repairs, diagnostics, and engine overhauls in repair shops or on-site
Job ResponsibilitiesSupport mechanics, perform routine tasks, and assist with partsDiagnose issues, repair engines, and perform detailed maintenance

While both roles involve working with diesel engines, a Diesel Assistant primarily supports mechanics with basic tasks and routine maintenance, requiring less certification. A Diesel Mechanic performs advanced repairs and diagnostics, often holding specialized certifications. The roles differ mainly in responsibility level and technical expertise required.

What are the most commonly searched types of Diesel jobs in Tennessee?

The most popular types of Diesel jobs in Tennessee are:

What cities in Tennessee are hiring for Diesel Assistant jobs?

Cities in Tennessee with the most Diesel Assistant job openings:

Infographic showing various Diesel Assistant job openings in Tennessee as of August 2026, with employment types broken down into 2% As Needed, 79% Full Time, 16% Part Time, 1% Temporary, and 2% Contract. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution.

Diesel Maintenance Technician

Two Shared Services LLC

Whites Creek, TN • On-site

$31 - $37/hr

Full-time

Re-posted 9 days ago


Job description

Description:

As a Diesel Technician II, you’ll take on a key role in maintaining and servicing our luxury motorcoach fleet, stepping beyond basic maintenance into independent diagnostics and repairs. You’ll work on large diesel engines, electrical systems, air brakes, suspension, HVAC, and more—developing the confidence and skill to handle motorcoach systems with minimal supervision.

This is the level where techs start to truly own results. You’ll be trusted to take initiative, solve problems, and help keep our fleet safe, reliable, and high-performing. If you’re a hands-on tech ready to go deeper and grow fast, this is your next step.

Responsibilities

  • Perform preventative maintenance and mid-level repairs on diesel engines, air brakes, HVAC, drivetrain, and suspension systems
  • Troubleshoot and repair 12V and 24V electrical systems, including alternators, batteries, and basic wiring issues
  • Diagnose common mechanical failures and identify next steps for resolution
  • Inspect and adjust air brake systems to ensure safety and compliance
  • Use diagnostic tools to isolate system issues and support more complex repairs
  • Collaborate with senior technicians to improve workflows and solve recurring issues
  • Communicate technical findings clearly and assist lower-level techs when needed
  • Document all work performed, including recommendations and parts needed


Requirements:
  • Typically requires 2+ years of diesel repair experience—but candidates with fewer years will be considered if they can demonstrate the ability to perform all responsibilities at this level
  • Strong understanding of diesel systems and components
  • Experience working with large diesel engines such as Volvo, Cummins, or Detroit
  • Comfortable using wiring diagrams, schematics, and diagnostic tools

Nice to Have

  • Experience working on motorcoaches or similar vehicles
  • Familiarity with power distribution systems, HVAC diagnostics, or generator setups
  • Interest in growing into Diesel Tech III with full diagnostic and repair capability