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Diesel Engine Mechanic Jobs in Tennessee (NOW HIRING)

Red River Waste Solutions

Diesel Mechanic

Hermitage, TN · On-site

$25 - $40/hr

As the Diesel Mechanic with Red River Waste Solutions, you will perform engine and emission maintenance as well as repairs on all trucks and equipment and, where necessary, can perform all drive ...

Cummins

In-Shop Diesel Engine Technician

Nashville, TN · On-site

We are looking for a talented Diesel Technician to join our team specializing in engine repairs for ... Product Repair and Maintenance - Repairs and maintains mechanical/electrical products following ...

Cummins

In-Shop Diesel Engine Technician

Nashville, TN · On-site

We are looking for a talented Diesel Technician to join our team specializing in engine repairs for ... Product Repair and Maintenance - Repairs and maintains mechanical/electrical products following ...

Laborup

Pump / Motor Mechanic

Oak Ridge, TN · On-site

$25 - $27/hr

It's varied mechanical work: shop equipment like air compressors, CNC mills, and lathes needs maintaining, and our small fleet of forklifts and box trucks needs servicing - diesel or engine mechanic ...

Cummins

In-Shop Diesel Engine Technician

Nashville, TN · On-site

$65K - $98K/yr

We are looking for a talented Diesel Technician to join our team specializing in engine repairs for ... Product Repair and Maintenance - Repairs and maintains mechanical/electrical products following ...

Laborup

Pump / Motor Mechanic

Oak Ridge, TN · On-site

$25 - $27/hr

It's varied mechanical work: shop equipment like air compressors, CNC mills, and lathes needs maintaining, and our small fleet of forklifts and box trucks needs servicing -- diesel or engine mechanic ...

Laborup

Pump / Motor Mechanic

Oak Ridge, TN

$25 - $27/hr

It's varied mechanical work: shop equipment like air compressors, CNC mills, and lathes needs maintaining, and our small fleet of forklifts and box trucks needs servicing - diesel or engine mechanic ...

Dayton Freight

Diesel Mechanic

Lebanon, TN · On-site

$33.10 - $38.10/hr

Paid holidays (8); paid vacation and personal days Diesel Mechanics are to perform maintenance ... Understand troubleshooting diesel engine system with ECM diagnostic programs and other ...

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All JobsDiesel Engine Mechanic JobsDiesel Engine Mechanic Jobs in Tennessee

Diesel Engine Mechanic information

See Tennessee salary details

$13

$25

$35

How much do diesel engine mechanic jobs pay per hour?

As of Aug 12, 2026, the average hourly pay for diesel engine mechanic in Tennessee is $25.66, according to ZipRecruiter salary data. Most workers in this role earn between $21.83 and $28.80 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a diesel engine mechanic, and why are they important?

To thrive as a Diesel Engine Mechanic, you need strong mechanical aptitude, knowledge of diesel engine systems, and typically a vocational certificate or apprenticeship in diesel technology. Familiarity with diagnostic tools, computerized engine management systems, and specialized repair equipment is essential. Attention to detail, problem-solving ability, and effective communication are critical soft skills for this role. These skills ensure accurate diagnostics, efficient repairs, and safe operation of diesel-powered vehicles or equipment.

What is the difference between Diesel Engine Mechanic vs Heavy Equipment Technician?

AspectDiesel Engine MechanicHeavy Equipment Technician
CertificationsASE Diesel Certification, EPA CertificationASE Heavy Equipment Certification, EPA Certification
Work EnvironmentGarages, repair shops, fleet maintenanceConstruction sites, mining, agriculture, repair shops
Industry UsageTransportation, trucking, fleet servicesConstruction, agriculture, mining, forestry

Both Diesel Engine Mechanics and Heavy Equipment Technicians diagnose and repair diesel engines, often holding similar certifications. Diesel Engine Mechanics typically work on trucks and commercial vehicles in repair shops, while Heavy Equipment Technicians focus on construction and industrial machinery at job sites. The roles overlap in skills and certifications but differ mainly in work environment and industry focus.

What does a diesel engine mechanic do?

A diesel engine mechanic is responsible for inspecting, maintaining, and repairing diesel engines commonly found in vehicles such as trucks, buses, and construction equipment. Their work includes diagnosing issues, replacing faulty parts, performing routine maintenance, and ensuring engines run efficiently and safely. Diesel mechanics often use specialized tools and diagnostic equipment to troubleshoot problems. They may also keep records of repairs and advise customers on engine care.

What are some common challenges faced by diesel engine mechanics in their daily work?

Diesel engine mechanics often face challenges such as diagnosing complex engine problems, working in physically demanding environments, and keeping up with rapidly advancing technology. Troubleshooting diesel engines can require both technical expertise and hands-on experience, especially as modern engines become more computerized. Mechanics also need to follow strict safety procedures and may work irregular hours or on-call shifts, especially in industries like transportation or construction. Collaborative work with other technicians and departments is common, especially when handling large equipment or fleet maintenance.
What are popular job titles related to Diesel Engine Mechanic jobs in TN? For Diesel Engine Mechanic jobs in TN, the most frequently searched job titles are:
Diesel Engine Mechanic jobs near you
Infographic showing various Diesel Engine Mechanic job openings in Tennessee as of August 2026, with employment types broken down into 87% Full Time, 7% Part Time, 5% Contract, and 1% Nights. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $53,366 per year, or $25.7 per hour.

Diesel Mechanic - Knoxville, TN

Smyrna Ready Mix, LLC

Knoxville, TN • On-site

$23.75 - $31.50/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 2 days ago

New

Job description

About the Opportunity
Are you a hands-on problem solver who enjoys working on diesel engines and heavy equipment? SRM Concrete, a national leader in ready mix concrete, is hiring Fleet Mechanics to keep our fleet of mixer trucks, loaders, dump trucks, tankers, and other essential vehicles running safely and efficiently. Whether you're an experienced diesel mechanic or looking to start your career in fleet maintenance, we provide the training and support you need to succeed.
As a Fleet Mechanic, you'll play a vital role in ensuring our vehicles and equipment operate reliably to meet project demands and delivery schedules. If you're committed to safety, quality repairs, and teamwork, we want to hear from you.
Your Mission & Key Responsibilities
  • Perform routine maintenance and inspections on diesel engines and equipment, including oil changes, lubrications, and filter replacements.
  • Diagnose and repair mechanical, electrical, and hydraulic issues in mixer trucks, loaders, dump trucks, tankers, and other heavy equipment.
  • Use diagnostic tools and equipment to identify issues and determine necessary repairs.
  • Rebuild, replace, or repair major components such as engine heads, blocks, starters, and transmissions.
  • Collaborate with the operations team to schedule maintenance and repairs, minimizing downtime.
  • Ensure compliance with all safety policies and procedures in the workshop and on job sites.
  • Keep accurate records of maintenance and repair work using company systems.
  • Stay updated on the latest diesel engine technology and repair techniques through ongoing learning.

What Sets You Apart
  • Willingness to work variable shifts as needed to support fleet operations.
  • Entry-level candidates are encouraged to apply-we offer on-the-job training for those new to diesel mechanics or heavy equipment maintenance.
  • Proven experience as a diesel mechanic, fleet mechanic, or heavy equipment technician is a plus.
  • Strong understanding of diesel engines, hydraulic systems, and electrical systems is preferred.
  • Ability to use diagnostic tools and equipment; willingness to learn new technologies.
  • Excellent problem-solving skills and attention to detail.
  • Ability to work independently and as part of a team.
  • Commitment to safety standards and protocols.
  • High school diploma or equivalent required; vocational or technical certification in diesel engine repair is a plus.
  • Valid driver's license required; CDL is preferred.
  • Willingness to complete SRM's pre-employment screenings.

About SRM
SRM Concrete (Smyrna Ready Mix) is a family-owned, values-driven leader in the ready mix concrete industry. Founded in 1999 with a single plant in Smyrna, Tennessee, we've grown to over 600 locations nationwide by focusing on quality, integrity, and service. Our mission is to serve our customers, our communities, and our team members with excellence-every load, every day.
Why Join SRM Concrete?
  • Consistent Local Routes & No Sunday Work: Our Mixer Operators are home after every shift, and we are closed every Sunday.
  • Growth & Advancement: Be part of a rapidly expanding company with real opportunities to grow your career.
  • Competitive Pay: Hourly pay with overtime after 8 hours, plus eligibility for bonuses and annual raises. Our driven sales team ensures steady, consistent work.
  • Exceptional Benefits: Low-cost medical, dental, vision, STD, LTD, and life insurance; paid holidays; PTO/vacation; 401k with $100 weekly match; family days; and more!
  • Team Culture: At SRM Concrete, we value hard work, respect, and teamwork. We support each other, recognize a job well done, and believe in doing what's right-on the job and in the community. You'll find a straightforward, dependable environment where every team member matters.

At SRM Concrete, you're more than a CDL driver-you're a valued team member helping to build America's future. If you're ready to say "YES" to new opportunities and deliver service that sets the standard in our industry, apply today and join the SRM family!

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