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Internship Fuel System Operator Jobs in Arizona (NOW HIRING)

U.S. Navy

AVIATION BOATSWAINS MATE, AIRCRAFT FUELS

Mesa, AZ · On-site

$16 - $19.25/hr

Training and directing firefighting crews, fire rescue teams and damage control parties assigned to fuel and lubricating oil spaces * Operating purging and protective systems aboard ships WORK ...

Parker

Assembly & Test Operator - 3rd Shift

Glendale, AZ · On-site

$16.75 - $20.25/hr

The vision of Gas Turbine Fuel Systems Division is to be the global leader in the design ... Assembly & Test Operator - 3rd Shift (Sun-Thurs, 11 pm to 7 am) Position Summary/Essential ...

CRH

Fuel Truck Operator / CDL A Driver

Phoenix, AZ · On-site

$1.2K - $1.6K/wk

Job Summary The Fuel Truck Operator is responsible for fueling equipment in the field at sites ... Our system allows you to view and track your status 24 hours a day. Thank you for your interest!

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All JobsFuel System Operator JobsInternship Fuel System Operator JobsInternship Fuel System Operator Jobs in Arizona

Internship Fuel System Operator information

What are the key skills and qualifications needed to thrive as an internship fuel system operator, and why are they important?

To succeed as an Internship Fuel System Operator, you generally need a foundational understanding of fuel systems, safety protocols, and basic mechanical skills, often supported by a high school diploma or enrollment in a relevant technical program. Familiarity with fuel handling equipment, safety monitoring devices, and inventory tracking software is typically expected. Attention to detail, teamwork, and effective communication are crucial soft skills for this role. These skills and qualities are vital for ensuring safe, efficient fuel operations and minimizing risks in a high-stakes environment.

What is the difference between Internship Fuel System Operator vs Fuel System Operator?

AspectInternship Fuel System OperatorFuel System Operator
CredentialsTypically in progress or recent completion of relevant training or certificationsRequires completed certifications and experience
Work EnvironmentTraining setting, supervised, entry-levelOperational plant environment, more autonomous
Job ResponsibilitiesAssisting with tasks, learning procedures, supporting operationsMonitoring, controlling, and maintaining fuel systems independently

The main difference is that an Internship Fuel System Operator is in a training or learning phase, focusing on gaining experience under supervision, while a Fuel System Operator is a fully qualified professional responsible for managing fuel systems independently in an operational setting.

What does an internship fuel system operator do?

An Internship Fuel System Operator assists with the management, maintenance, and operation of fuel systems, typically in facilities like airports, military bases, or industrial sites. Interns learn how to monitor fuel levels, conduct inspections, perform basic maintenance, and ensure safety procedures are followed when handling fuel. They work under the supervision of experienced operators to gain hands-on experience and a better understanding of fuel distribution systems. This role provides valuable practical skills for those interested in pursuing a career in fuel operations or related fields.
What are popular job titles related to Internship Fuel System Operator jobs in Arizona? For Internship Fuel System Operator jobs in Arizona, the most frequently searched job titles are:
What job categories do people searching Internship Fuel System Operator jobs in Arizona look for? The top searched job categories for Internship Fuel System Operator jobs in Arizona are:
What cities in Arizona are hiring for Internship Fuel System Operator jobs? Cities in Arizona with the most Internship Fuel System Operator job openings:
Internship Fuel System Operator jobs near you
Infographic showing various Internship Fuel System Operator job openings in Arizona as of August 2026, with employment types broken down into 1% As Needed, 86% Full Time, 11% Part Time, and 2% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution.

Diesel Service Technician - (Diagnostic, Major Repair)

RWC Group

Yuma, AZ

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 24 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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