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Diesel Mechanic Level 3 Jobs (NOW HIRING)

Transdev

Diesel Mechanic - Level A

Savannah, GA

$48.21/hr

Diesel Mechanic - Level A Transdev in Savannah, GAis seeking an experienced A-Level Diesel Mechanic ... Required CDL A/B - Or must obtain within 3 months of employment * Masters ASE certifications ...

Transdev

Diesel Mechanic - Level A

Savannah, GA · On-site

$48.21/hr

Diesel Mechanic - Level A Transdev in Savannah, GA is seeking an experienced A-Level Diesel ... Required CDL A/B - Or must obtain within 3 months of employment * Masters ASE certifications ...

Kenan Advantage Group

Diesel Technician

Green Bay, WI

$21 - $45/hr

Fleet Mechanic Level III will build on the duties from Diesel Mechanic I/II and become qualified as necessary with appropriate certifications to perform new technology evaluations, diagnosis, and ...

Hi-Way Paving

Shop Diesel Mechanic (Level B)

Charlotte, NC · On-site

$23.50 - $31/hr

Shop Diesel Mechanic (Level B) At Hi-Way Paving, we are general contractors in the construction field that specialize in significant amounts of concrete paving, storm drainage, and excavation on ...

Sunbelt Rentals

Mechanic - Level 3

Las Cruces, NM

$22.85 - $31.41/hr

... similar diesel equipment and/or heavy equipment or specialty lines equipment (large-scale ... Shop Mechanic, Mechanic, Technician, Service Foreman, Service Manager, Shop Manager, Mechanic ...

Sunbelt Rentals, Inc.

Mechanic - Level 3

Las Cruces, NM · On-site

$22.85 - $31.41/hr

... similar diesel equipment and/or heavy equipment or specialty lines equipment (large-scale ... Shop Mechanic, Mechanic, Technician, Service Foreman, Service Manager, Shop Manager, Mechanic ...

Sunbelt Rentals, Inc.

Technician - Level 2

Saint Paul, MN · On-site

$23.52 - $32.34/hr

Shop Mechanic, Mechanic, Technician, Service Foreman, Service Manager, Shop Manager, Mechanic Supervisor, Technician Supervisor, Lead Mechanic, Lead Technician, Diesel Technician, Diesel Mechanic ...

Sunbelt Rentals

Mechanic - Level 3

Las Cruces, NM · On-site

$22.85 - $31.41/hr

... similar diesel equipment and/or heavy equipment or specialty lines equipment (large-scale ... Shop Mechanic, Mechanic, Technician, Service Foreman, Service Manager, Shop Manager, Mechanic ...

EPSILON SYSTEMS

Marine Mechanic-Level III

Norfolk, VA · On-site

$22 - $27/hr

The Marine Mechanic-Level III Technician will provide troubleshooting, maintenance, repair and ... Cummins Diesel Engines * Hamilton Waterjet Model HJ292 * Hamilton Waterjet Model HM651 * Twin Disc ...

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Diesel Mechanic Level 3 information

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$28

$38

How much do diesel mechanic level 3 jobs pay per hour?

As of Aug 1, 2026, the average hourly pay for diesel mechanic level 3 in the United States is $28.27, according to ZipRecruiter salary data. Most workers in this role earn between $24.04 and $31.73 per hour, depending on experience, location, and employer.

What is the highest paid diesel mechanic job?

The highest paid diesel mechanic jobs are often found in specialized roles such as diesel shop managers, fleet maintenance supervisors, or mechanics working in the oil and gas industry, where advanced skills and certifications are required. These positions typically offer higher salaries due to increased responsibility, technical expertise, and the demanding work environment.

What is the difference between Diesel Mechanic Level 3 vs Diesel Mechanic Level 2?

AspectDiesel Mechanic Level 3Diesel Mechanic Level 2
CertificationsRequires Level 3 certification, advanced skillsRequires Level 2 certification, basic to intermediate skills
Work EnvironmentPerforms complex repairs, diagnostics, and maintenanceHandles routine repairs and maintenance tasks
Employer UsageUsed in specialized or higher responsibility rolesCommon in entry to mid-level positions

Diesel Mechanic Level 3 professionals have advanced certifications and handle more complex repairs compared to Diesel Mechanic Level 2. Level 3 mechanics often work in specialized environments, performing diagnostics and repairs that require higher expertise, while Level 2 mechanics focus on routine maintenance and basic repairs. Both roles are essential in the industry, but Level 3 mechanics typically command higher responsibility and pay.

What is a Diesel Mechanic Level 3?

A Diesel Mechanic Level 3 is an experienced technician who specializes in inspecting, maintaining, and repairing diesel engines, particularly in heavy-duty vehicles and equipment. At this level, mechanics are expected to handle complex diagnostics, perform advanced repairs, and may also supervise or mentor junior technicians. They have a strong understanding of electrical and mechanical systems, and often hold certifications demonstrating their expertise. Level 3 mechanics are trusted to work independently and ensure vehicles comply with safety and emission standards.

How much does a level 3 diesel mechanic make?

A Level 3 diesel mechanic typically earns between $50,000 and $70,000 annually, depending on experience, location, and employer. Advanced certifications and specialized skills can lead to higher wages in this field.

What are some common challenges a Diesel Mechanic Level 3 may face when diagnosing complex engine issues?

Diesel Mechanic Level 3 professionals often encounter challenges such as troubleshooting advanced diagnostic problems that may not be immediately revealed by standard testing equipment. These issues may require a deep understanding of electronic control systems and the latest diagnostic software. Additionally, Level 3 mechanics may need to collaborate closely with manufacturers or technical support teams for rare or persistent faults. Staying updated on new diesel technologies and managing time effectively on complex repairs are also key challenges.

What are the key skills and qualifications needed to thrive as a Diesel Mechanic Level 3, and why are they important?

To thrive as a Diesel Mechanic Level 3, you need advanced knowledge of diesel engine repair, diagnostics, and preventive maintenance, typically supported by a high school diploma or equivalent and several years of hands-on experience. Familiarity with diagnostic software, computerized maintenance management systems (CMMS), and certifications such as ASE Diesel Technician are often required. Strong problem-solving skills, attention to detail, and effective communication help mechanics excel in troubleshooting and collaborating with team members. These competencies ensure efficient repairs, vehicle reliability, and safety compliance in demanding fleet environments.

What is a level 3 diesel mechanic?

A level 3 diesel mechanic is an experienced technician who performs complex repairs and diagnostics on diesel engines and heavy equipment. They typically have advanced skills, certifications, and may lead or train lower-level mechanics in maintenance tasks and troubleshooting. This role often requires a strong understanding of mechanical systems, tools, and safety procedures.

What other jobs can a diesel mechanic do?

A diesel mechanic can transition into roles such as fleet maintenance supervisor, service manager, or technical trainer, utilizing their mechanical skills and knowledge of diesel engines. They can also work in equipment repair, transportation management, or diagnostic technician positions, often requiring certifications and familiarity with diagnostic tools. These roles typically involve similar skills in troubleshooting, repair, and maintenance of heavy machinery or vehicles.
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Diesel Mechanic Level 3 jobs near you

Semi Diesel Mechanic - Level 1, 2, and 3

DSL Express

Villa Park, IL • On-site

$25 - $50/hr

Full-time

PTO

Re-posted 16 days ago

Job description

Job Title: Semi-Diesel Mechanic, Level 1, 2 and 3

Location: 1000 N Villa Ave, Villa Park, IL 60181
Company: Quality Parts and Repair (Division of DSL Express)
Job Type: Full-time (Part-time will be considered)
Salary: $25-$50 per hour (depending on experience and specialties)
Certifications Required: ASE Certification preferred but not required.
Job Description:
Quality Parts and Repair is seeking skilled and experienced semi-diesel mechanics to join our team. The ideal candidate will have expertise in diagnostics & electrical, engine work, and the replacement of engine components, clutch, transmission, and differentials as well as the ability to work with diagnostics and electrical as well as the ability to work on complete engine rebuilds. We will NOT exclude candidates with lesser skill sets as we need more than one type of candidate including those who are entry level and are looking to expand an entire team to include various levels of expertise. Candidates may possess any or all of these skills and will be considered, with the pay scale based on their level of expertise, years of experience and other factors.
Responsibilities:
Level 1: Replacement of Engine Components, Clutches, Transmissions, Brakes, Suspensions, Differentials. Work duties may include supervised assistant/trainee duties involving level 2 and 3 objectives.
 
Pay Scale: $25-$35 per hour (depending on experience)
Job Details: 
  • Entry-level technicians who perform troubleshooting, routine maintenance and component replacements. 
  • May also handle non-technical tasks, such as parts socking and maintaining a clean work area.
  • Replace engine components, clutch, transmission, and differentials – Parts Swapping.
  • Conduct minor engine repairs and replacements – Parts Swapping.
  • Perform minor repairs, such as replacing filters, hoses, and belts.
  • Ensure all replaced parts are functioning correctly.
  • Assist in performing DOT annual inspections on vehicles.

Level 2: Diagnostics & Electrical Specialist. Work duties may include any of the Level 1 objectives.
 
Pay Scale: $35-$40 per hour (depending on experience)
  • Perform diagnostics and electrical repairs on semi-diesel engines.
  • Troubleshoot and repair electrical systems.
  • Conduct routine maintenance checks.
  • Experience with industry-standard diagnostics software.
  • Assist in performing DOT annual inspections on vehicles.

Level 3: Engine Work and Rebuilds. Work duties may also include any of the Level 1 and 2 objectives.
 
Pay Scale: $40-$50 per hour (depending on experience)
  • Perform routine engine maintenance and repairs.
  • Diagnose and repair engine-related issues.
  • Ability to do full engine rebuilds and overhauls.
  • Ability to perform transmission and turbo rebuilds is a bonus.
  • Replace and refurbish parts.
  • Maintain maintenance logs.
  • Ensure services meet quality standards and safety procedures.
  • Perform DOT annual inspections on vehicles.
 
Requirements:
  • Proven experience as a semi-diesel mechanic.
  • Strong diagnostic and problem-solving skills.
  • Ability to work independently and as part of a team.
  • Excellent communication skills.
  • ASE Certification preferred.
  • 10+ years of experience is a serious bonus.
  • Military motor pool experience is desirable.

Benefits:
  • Competitive hourly pay.
  • Opportunities for professional development and advancement.
  • Paid time off.