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Cummins Engine Jobs in Arizona (NOW HIRING)

RWC Group

Diesel Technician ( 2nd Shift )

Phoenix, AZ · On-site

Perform advanced diagnostics on International, Cummins, and all-makes equipment. * Troubleshoot electrical, aftertreatment, and engine control systems using OEM software. * Accurately document ...

Coyote Truck & Trailer

Be Seen First

Heavy Equipment Diesel Mechanic

Phoenix, AZ · On-site

$25 - $38/hr

This is not A Light Duty Diesel Position, knowledge of CAT, Cummins etc. necessary. Must be able to ... Engine electronics, Power steering systems, Engines (gas and diesel), Transmissions (manual and ...

Coyote Truck & Trailer

Be Seen First

Heavy Equipment Diesel Mechanic

Phoenix, AZ · On-site

$25 - $38/hr

This is not A Light Duty Diesel Position, knowledge of CAT, Cummins etc. necessary. Must be able to ... Engine electronics, Power steering systems, Engines (gas and diesel), Transmissions (manual and ...

1836 HD

RV Technician

Phoenix, AZ · On-site

$24K - $78K/hr

Onan & Cummins Generators * Generator Diagnostics & Repairs Additional Equipment * Heavy-Duty ... Troubleshoot diesel and gasoline engine performance issues. * Repair HVAC, plumbing, electrical ...

Transwest Mobile

Heavy Duty Diesel Mechanic

Phoenix, AZ

$32 - $45/hr

Strong knowledge of diesel engine components and systems. * Familiarity with refrigeration (reefer ... Work with industry leaders like Cummins, Eaton, and Ford, and mentor others. * Supportive Culture

ConGlobal

Truck Mechanic - Lead - Ramp

Glendale, AZ · On-site

$36 - $38.30/hr

Troubleshoots and repairs diesel engines (Cat, Cummins, Detroit). * Performs maintenance ... Knowledge of diesel engine systems, including fuel, electrical, cooling, and exhaust systems * Able ...

ConGlobal

Railyard Diesel Truck Mechanic

Glendale, AZ · On-site

$31 - $36/hr

Inspect, diagnose, and repair diesel engines (Caterpillar, Cummins, Detroit) to maintain optimal ... Knowledge of all diesel engine systems, including fuel, electrical, cooling, and exhaust. * Must be ...

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All JobsCummins Engine JobsCummins Engine Jobs in Arizona

Cummins Engine information

What skills and qualifications are needed to work as a Cummins engine technician?

To thrive as a Cummins Engine Technician, you need strong mechanical aptitude, diesel engine knowledge, and typically a technical diploma or certification in diesel technology. Familiarity with Cummins diagnostic tools, engine control systems, and relevant certifications such as ASE or Cummins-specific training are highly valued. Attention to detail, problem-solving abilities, and effective communication help technicians excel in diagnosing and repairing complex engine issues. These skills ensure reliable engine performance, customer satisfaction, and adherence to safety and quality standards.

What challenges do technicians face when working with Cummins engines, and how can they be addressed?

Technicians working with Cummins engines often encounter challenges such as diagnosing complex electronic control systems, keeping up with evolving engine technologies, and accessing specialized diagnostic tools. To address these challenges, ongoing training and certification through Cummins or accredited programs are highly encouraged. Additionally, working within a collaborative team environment and utilizing Cummins' technical support resources can help technicians stay informed and efficiently resolve complex engine issues.

How to get a job at Cummins Engine?

To get a job at Cummins Engine, candidates should review current openings on the company's careers website, prepare a tailored resume highlighting relevant skills such as mechanical or electrical knowledge, and submit an application online. Having certifications or experience in engine repair, manufacturing, or engineering can improve chances. Networking and attending job fairs can also be helpful in securing employment opportunities.

What is the difference between Cummins Engine vs Diesel Mechanic?

AspectCummins EngineDiesel Mechanic
CredentialsCertifications in Cummins products, diesel engine repairASE certifications, diesel engine repair certifications
Work EnvironmentManufacturing plants, repair shops, on-site serviceRepair shops, fleet maintenance, on-site service
Industry UsageEngine manufacturing, heavy equipment, power generationVehicle repair, industrial equipment maintenance

While a Cummins Engine refers to the specific product line of diesel engines manufactured by Cummins Inc., a Diesel Mechanic is a professional who repairs and maintains diesel engines, including but not limited to Cummins engines. Diesel Mechanics often work on various brands and models, whereas Cummins Engine specialists focus on Cummins products. Both roles require diesel engine knowledge and certifications, but their scope differs: one is a product, the other a profession.

What is a Cummins engine?

Cummins engines are a range of diesel and natural gas-powered engines produced by Cummins Inc., a leading global manufacturer. These engines are known for their durability, fuel efficiency, and performance, and are widely used in trucks, buses, construction equipment, agricultural machinery, and power generation. Cummins engines come in various sizes and configurations to meet the needs of different industries, and the company also provides parts, service, and support worldwide. Their engines are recognized for meeting stringent emission standards and incorporating advanced technologies.
What are popular job titles related to Cummins Engine jobs in Arizona? For Cummins Engine jobs in Arizona, the most frequently searched job titles are:
What job categories do people searching Cummins Engine jobs in Arizona look for? The top searched job categories for Cummins Engine jobs in Arizona are:
What cities in Arizona are hiring for Cummins Engine jobs? Cities in Arizona with the most Cummins Engine job openings:
Cummins Engine jobs near you
Infographic showing various Cummins Engine job openings in Arizona as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution.

Diesel Service Technician - (Diagnostic, Major Repair)

RWC Group

Yuma, AZ • On-site

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 22 days ago

Job description

About RWC Group
RWC Group is a commercial truck and bus dealership group. We have 700 employees spread across 14 locations in AZ, CA, WA, and AK. The company sells and leases all kinds of trucks and buses to meet all your needs. We feature OEMs such as International, Isuzu, Hino, Cummins, Allison, and more! We provide a wide array of services including repair, maintenance, alignment, DPF cleaning, body shop and mobile service, just to name a few. Our service team thrives performing repairs on nationally respected brands, while using top rated quality parts. As we say at RWC Group: You have come to the right place, with the right people, doing the job right....so your trucks will RUN RIGHT!
As a family owned company, we value the things that make a family successful: commitment, compassion, hard work, a unified vision, and a desire for each other to succeed. RWC Group is committed to the long-term development of our family members. We offer paid training and carefully mentor each technician. No matter your level when you join us, we want you to improve.
What We Offer
  • Medical, Dental & Vision Insurance
  • 401K Plan
  • Paid time off
  • Growth opportunities
  • Paid Training
  • Family owned and operated
  • Long term job security
  • Health and wellness
  • Discounts on products and services
Position Summary
The Diagnostic Technician is responsible for performing advanced diagnostics, troubleshooting, and major mechanical repairs on heavy-duty trucks and commercial vehicles. This role specializes in identifying and resolving complex issues involving diesel engines, transmissions, electrical systems, aftertreatment systems, and vehicle electronics. The technician is expected to provide accurate diagnoses while maintaining high standards of quality, safety, and efficiency.
Essential Duties and Responsibilities
  • Perform advanced diagnostics using OEM diagnostic software and tools.
  • Diagnose and repair heavy-duty diesel engines, including:
    • International
    • Cummins
  • Diagnose, troubleshoot, and repair manual and automatic transmissions, including:
    • Allison
    • Eaton
  • Perform major engine repairs, including:
    • Overhauls
    • In-frame rebuilds
    • Cylinder head replacement
    • Turbocharger replacement
    • Fuel system repairs
  • Perform major transmission replacements.
  • Diagnose and repair electrical and electronic systems, including CAN communication networks.
  • Troubleshoot emissions and aftertreatment systems (DPF, DOC, SCR, DEF systems).
  • Perform engine performance testing and road testing to verify repairs.
  • Accurately document diagnostic procedures, findings, and repairs in the repair order.
  • Work closely with Service Advisors and the Service Manager to communicate repair recommendations.
  • Assist other technicians with difficult diagnostic concerns when needed.
  • Follow OEM repair procedures and warranty guidelines.
  • Maintain a clean, organized, and safe work environment.
  • Complete repairs efficiently while meeting productivity and quality standards.
  • Participate in manufacturer training and maintain required certifications.
Required Qualifications
  • Minimum of 5 years of experience diagnosing and repairing heavy-duty diesel trucks.
  • Strong knowledge of:
    • International trucks
    • Cummins engines
    • Allison transmissions
    • Eaton transmissions
  • Experience with OEM diagnostic software such as:
    • International ServiceMaxx
    • Cummins INSITE
    • Allison DOC
    • Eaton ServiceRanger
  • Strong understanding of diesel engine operation, fuel systems, electrical systems, air systems, and emissions systems.
  • Ability to interpret wiring diagrams, service manuals, and technical bulletins.
  • Valid driver's license (CDL preferred).
Preferred Qualifications
  • ASE Medium/Heavy Truck Certifications.
  • International, Cummins, Allison, or Eaton factory certifications.
  • HVAC and EPA certification is a plus.
  • Welding and fabrication experience is desirable.
Skills
  • Advanced diagnostic and troubleshooting abilities.
  • Strong analytical and problem-solving skills.
  • Excellent communication and documentation skills.
  • Ability to work independently with minimal supervision.
  • Team-oriented with a strong customer service mindset.
  • Ability to prioritize multiple repairs in a fast-paced environment.
Physical Requirements
  • Ability to lift up to 75 lbs.
  • Ability to stand, bend, kneel, and work under vehicles for extended periods.
  • Ability to operate shop equipment safely.
  • Ability to work in varying temperatures and shop conditions.
Performance Expectations
The Diagnostic Technician is expected to:
  • Maintain high first-time repair accuracy.
  • Produce clear and complete diagnostic documentation.
  • Complete repairs according to OEM specifications.
  • Support shop productivity by resolving complex repairs efficiently.
  • Maintain a safe and professional work environment.
  • Demonstrate continuous learning through manufacturer training and certifications.

We are an equal opportunity employer and prohibit discrimination/harassment without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

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