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Diesel Engineer Jobs in Arizona (NOW HIRING)

Alex's Tires, Incorporated

DIESEL MECHANIC

Nogales, AZ · On-site

$45K - $55K/yr

Associate degree or higher in automotive technology, mechanical engineering, or related discipline. * Certification from recognized bodies such as ASE (Automotive Service Excellence) in diesel ...

Staff Experts LLC

Diesel Technician/Mechanic

Tucson, AZ · On-site

$23.75 - $31.25/hr

We specialize in staffing in the areas of Engineering, Construction Management, Manufacturing ... POSITION SUMMARY As a Diesel Technician/Mechanic, you will provide a full range of maintenance and ...

Staff Experts LLC

Diesel Mechanic

Phoenix, AZ · On-site

$24.25 - $32/hr

We specialize in staffing in the areas of Engineering, Construction Management, Manufacturing ... Staff Experts is currently hiring Diesel Mechanics/Heavy Equipment Mechanics High Compensation for ...

Staff Experts LLC

Diesel Mechanic

Phoenix, AZ · On-site

$26 - $31/hr

We specialize in staffing in the areas of Engineering, Construction Management, Manufacturing ... Staff Experts is currently hiring Diesel Mechanics/Heavy Equipment Mechanics High Compensation for ...

Staff Experts

Diesel Mechanic

Prescott, AZ · On-site

$24.75 - $32.50/hr

We specialize in staffing in the areas of Engineering, Construction Management, Manufacturing ... Staff Experts is currently hiring Diesel Mechanics/Heavy Equipment Mechanics High Compensation for ...

Staff Experts

Diesel Mechanic

Phoenix, AZ · On-site

$24.25 - $32/hr

We specialize in staffing in the areas of Engineering, Construction Management, Manufacturing ... Staff Experts is currently hiring Diesel Mechanics/Heavy Equipment Mechanics High Compensation for ...

Staff Experts LLC

Diesel Mechanic

Tucson, AZ · On-site

$26 - $32/hr

We specialize in staffing in the areas of Engineering, Construction Management, Manufacturing ... Staff Experts is currently hiring Diesel Mechanics/Heavy Equipment Mechanics If you are interested ...

Staff Experts

Diesel Mechanic

Tucson, AZ · On-site

$21.50 - $28.25/hr

We specialize in staffing in the areas of Engineering, Construction Management, Manufacturing ... Staff Experts is currently hiring Diesel Mechanics/Heavy Equipment Mechanics If you are interested ...

Staff Experts LLC

Diesel Mechanic

Tucson, AZ · On-site

$21.50 - $28.25/hr

We specialize in staffing in the areas of Engineering, Construction Management, Manufacturing ... Staff Experts is currently hiring Diesel Mechanics/Heavy Equipment Mechanics High Compensation for ...

CRH

Heavy Equipment / Diesel Mechanic

Phoenix, AZ · On-site

$22.75 - $31.25/hr

Heavy Equipment / Diesel Mechanic Infrastructure Products Group Phoenix, Arizona, United States Job ... We're a trusted and strategic partner to engineers, contractors, distributors, specifiers ...

CRH

Heavy Equipment / Diesel Mechanic

Phoenix, AZ

$23.50 - $32.50/hr

We're a trusted and strategic partner to engineers, contractors, distributors, specifiers ... Job Summary Torrent Resources, a CRH company, is seeking a Heavy Equipment / Diesel Mechanic to ...

H5 Data Centers

Building Engineer

Chandler, AZ · On-site

$25 - $28/hr

Position Summary The Data Center Building Engineer provides maintenance support for the Data Center ... diesel generators, large-chilled water systems, automated controls troubleshooting and setup.

H5 Data Centers

Building Engineer

Chandler, AZ · On-site

$25 - $28/hr

Position Summary The Data Center Building Engineer provides maintenance support for the Data Center ... diesel generators, large-chilled water systems, automated controls troubleshooting and setup.

Stantec

Senior Plumbing Engineer

Phoenix, AZ · On-site

$103K - $142K/yr

Design plumbing systems including water, sanitary, storm, diesel distribution, natural gas ... Professional Engineering license required; * Experience supervising a team of engineers; * LEED AP ...

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Diesel Engineer information

See Arizona salary details

$4

$37

$48

How much do diesel engineer jobs pay per hour?

As of Aug 9, 2026, the average hourly pay for diesel engineer in Arizona is $37.04, according to ZipRecruiter salary data. Most workers in this role earn between $30.48 and $42.12 per hour, depending on experience, location, and employer.

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

To thrive as a Diesel Engineer, you need strong mechanical aptitude, knowledge of diesel engine systems, and typically a degree or diploma in mechanical or automotive engineering. Familiarity with diagnostic tools, engine management software, and industry certifications such as ASE Diesel Certification are often required. Problem-solving ability, attention to detail, and effective communication are standout soft skills in this role. These skills ensure accurate diagnostics, efficient repairs, and reliable engine performance in various industrial and transportation settings.

How much do diesel engineers get paid?

Diesel engineers typically earn a median annual salary of around $50,000 to $70,000, depending on experience, location, and certifications. Skilled diesel engineers with specialized knowledge of engines and maintenance procedures can earn higher wages, especially in industrial or transportation sectors.

What does a diesel engineer do?

The duties of a diesel engineer or mechanic are to inspect, maintain, and repair diesel engines. They perform diagnostics on engines and inspect the parts and system machinery to determine what service is required on the vehicle. A diesel engineer regularly utilizes diagnostic equipment and other tools, and they should have an in-depth knowledge of the diesel electrical system. Customer service skills are also important when describing a repair to a customer.

What is the difference between Diesel Engineer vs Mechanical Engineer?

AspectDiesel EngineerMechanical Engineer
CertificationsRelevant certifications in diesel systems, such as ASE or manufacturer-specific trainingEngineering degrees, often a Bachelor's in Mechanical Engineering
Work EnvironmentWorkshops, repair facilities, and on-site at transportation or industrial companiesDesign offices, manufacturing plants, or research labs
Industry UsageTransportation, maritime, and industrial sectors focusing on diesel enginesBroad industry applications including automotive, aerospace, manufacturing, and energy

Diesel Engineers specialize in maintaining and repairing diesel engines, often requiring specific certifications and working in hands-on environments. Mechanical Engineers have a broader scope, focusing on design, analysis, and development across various engineering fields. While both roles require engineering knowledge, Diesel Engineers focus more on practical maintenance within specific industries, whereas Mechanical Engineers are involved in design and innovation across multiple sectors.

What are some typical challenges diesel engineers face when working on large-scale projects?

Diesel Engineers working on large-scale projects often encounter challenges such as coordinating with multidisciplinary teams, troubleshooting complex engine issues under tight deadlines, and ensuring compliance with strict environmental and safety regulations. Effective communication and adaptability are crucial, as project requirements may change and unexpected technical problems can arise. Additionally, staying up-to-date with advancements in diesel technology and emission standards is essential for success in this dynamic field.

What is a diesel engineer?

Diesel Engineers are specialized professionals who design, maintain, repair, and oversee diesel engines and related systems. They work with a variety of diesel-powered equipment, such as trucks, buses, ships, generators, and heavy machinery. Their responsibilities typically include diagnosing engine problems, performing routine maintenance, ensuring compliance with safety standards, and sometimes upgrading engine systems for better efficiency. Diesel Engineers may work in industries like transportation, construction, agriculture, or energy, and often need strong mechanical skills and knowledge of diesel engine technology.
More about Diesel Engineer jobs
What are popular job titles related to Diesel Engineer jobs in Arizona? For Diesel Engineer jobs in Arizona, the most frequently searched job titles are:
What job categories do people searching Diesel Engineer jobs in Arizona look for? The top searched job categories for Diesel Engineer jobs in Arizona are:
What are popular job titles related to Diesel Engineer jobs in AZ? For Diesel Engineer jobs in AZ, the most frequently searched job titles are:
Diesel Engineer jobs near you
Infographic showing various Diesel Engineer job openings in Arizona as of August 2026, with employment types broken down into 92% Full Time, 2% Part Time, and 6% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $77,041 per year, or $37 per hour.

DIESEL MECHANIC

Alex's Tires, Incorporated

Nogales, AZ • On-site

$45K - $55K/yr

Full-time

Re-posted 24 days ago

Job description

About the Role:

The Diesel Mechanic plays a critical leadership role within the transportation and warehousing industry, overseeing the maintenance and repair of diesel-powered vehicles and equipment to ensure operational efficiency and safety. This position is responsible for managing a team of skilled mechanics, coordinating maintenance schedules, and implementing best practices to minimize downtime and extend the lifespan of fleet assets. The role requires strategic planning to optimize resource allocation, manage budgets, and ensure compliance with industry regulations and safety standards. The Head Diesel Mechanic serves as a technical expert and mentor, fostering a culture of continuous improvement and professional development within the team. Ultimately, this position ensures that all diesel machinery operates at peak performance, supporting the overall success and reliability of transportation operations.

Minimum Qualifications:

  • High school diploma or equivalent; technical certification in diesel mechanics or related field.
  • Minimum of 5 years of experience in diesel engine repair and maintenance.
  • Proven leadership experience managing a team of mechanics or technicians.
  • Strong knowledge of diesel engine systems, diagnostics, and repair techniques.
  • Familiarity with safety regulations and compliance standards in the transportation industry.
  • Ability to communicate in English and Spanish

Preferred Qualifications:

  • Associate degree or higher in automotive technology, mechanical engineering, or related discipline.
  • Certification from recognized bodies such as ASE (Automotive Service Excellence) in diesel engines.
  • Experience with fleet management software and maintenance tracking systems.
  • Demonstrated ability to implement continuous improvement initiatives and lean maintenance practices.

Responsibilities:

  • Lead, supervise, and mentor a team of technicians to maintain high standards of workmanship and safety.
  • Develop and implement maintenance schedules and repair protocols for diesel engines and related equipment.
  • Diagnose complex mechanical issues and oversee their timely and effective resolution.
  • Manage inventory of parts and tools, ensuring availability and cost-effectiveness.
  • Collaborate with operations and safety teams to ensure compliance with regulatory requirements and company policies.
  • Conduct regular training sessions to keep the team updated on the latest diesel technologies and repair techniques.
  • Analyze performance data to identify trends and implement improvements in maintenance processes.

Skills:

Leadership skills are essential for effectively managing and motivating the diesel mechanic team, ensuring clear communication and fostering a collaborative work environment. Technical expertise in diesel engine systems allows the Head Diesel Mechanic to diagnose and resolve complex mechanical issues efficiently, guiding the team through challenging repairs. Organizational skills are used daily to coordinate maintenance schedules, manage parts inventory, and oversee compliance with safety regulations, ensuring smooth operational workflows. Analytical skills help in interpreting performance data and identifying opportunities for process improvements and cost savings. Additionally, strong interpersonal skills facilitate training and mentoring activities, promoting professional growth and maintaining high team morale.