CNG Certified Diesel Mechanic/Part time

Commercial Auto Managers Inc

  • Phoenix, AZ
  • 2 days ago
  • $45 Per Hour

Highlights

We specialize in onsite diagnostics, preventive maintenance, and repairs for heavy-duty trucks, buses, trailers, and commercial equipment powered by diesel, compressed natural gas (CNG), and gasoline. We are seeking an experienced, certified Heavy-Duty Natural Gas (CNG) and Diesel Mechanic with strong diagnostic capabilities and hands-on experience servicing natural gas-powered commercial vehicles.

Numbers & Facts

LocationPhoenix, AZ
Salary$45 Per Hour

Description

Certified Natural Gas (CNG) Heavy-Duty Diesel

Mechanic

CAM Fleet Care | Phoenix, Arizona

Job Type: Part-time
Location: Phoenix, AZ – Mobile Fleet Service & Shop
Compensation: Competitive hourly pay based on experience and certifications


About CAM Fleet Care

CAM Fleet Care is a growing, full-service mobile fleet maintenance and repair company serving commercial and government fleets throughout the Phoenix metropolitan area and Arizona.

We specialize in onsite diagnostics, preventive maintenance, and repairs for heavy-duty trucks, buses, trailers, and commercial equipment powered by diesel, compressed natural gas (CNG), and gasoline.

Our motto: "We Keep Your Fleet on the Street."

We are seeking an experienced, certified Heavy-Duty Natural Gas (CNG) and Diesel Mechanic with strong diagnostic capabilities and hands-on experience servicing natural gas-powered commercial vehicles.

The ideal candidate is knowledgeable in CNG fuel systems, Cummins natural gas engines, heavy-duty diesel engines, electrical diagnostics, and commercial fleet maintenance.

Key Responsibilities

  • Diagnose, troubleshoot, and repair heavy-duty CNG and diesel-powered commercial vehicles.

  • Inspect, diagnose, and repair CNG fuel delivery systems, regulators, injectors, valves, and related components.

  • Perform CNG fuel system inspections and identify leaks, component failures, and safety concerns.

  • Diagnose and repair Cummins natural gas engines, including ISL G, L9N, and X15N platforms.

  • Perform advanced computer diagnostics, ECM troubleshooting, fault-code analysis, and engine performance testing.

  • Diagnose and repair electrical systems, wiring, sensors, starting systems, and charging systems.

  • Perform repairs on air brake systems, brake chambers, slack adjusters, drums, rotors, and related components.

  • Diagnose and repair suspension, steering, and air systems.

  • Repair engine cooling systems, fuel systems, turbochargers where equipped, and related engine components.

  • Diagnose and repair Allison transmissions and driveline components.

  • Perform annual DOT inspections and preventive maintenance services.

  • Diagnose and repair commercial vehicle air-conditioning systems.

  • Perform mobile repairs at customer locations and in our Phoenix shop.

  • Document repairs, diagnostic findings, labor time, and recommendations using Shopmonkey.

  • Take before, during, and after repair photographs to document completed work.

  • Follow all CNG safety procedures, including proper fuel system isolation, depressurization, and leak detection.

Required Qualifications

  • Certified or formally trained in CNG / Natural Gas Vehicle maintenance and repair.

  • Minimum 5 years of heavy-duty commercial vehicle repair experience preferred.

  • Hands-on experience diagnosing and repairing CNG-powered heavy-duty trucks or buses.

  • Strong knowledge of Cummins natural gas engines and associated fuel systems.

  • Experience with CNG high-pressure fuel systems and safety procedures.

  • Proficiency using professional diagnostic software, including Cummins INSITE or equivalent.

  • Strong electrical and mechanical troubleshooting skills.

  • Experience with air brakes, suspension, steering, and commercial vehicle systems.

  • Ability to independently diagnose and complete complex repairs.

  • Valid driver's license and acceptable driving record.

  • Ability to accurately document repairs and follow established service procedures.

Preferred Certifications and Experience

  • ASE Medium/Heavy Truck certifications.

  • ASE F1 – Compressed Natural Gas Vehicle certification.

  • CNG fuel system inspection certification or recognized equivalent qualification.

  • Cummins natural gas engine training or certification.

  • Experience with CNG transit buses, refuse trucks, delivery vehicles, and municipal fleets.

  • Allison transmission diagnostics and repair.

  • Annual DOT inspection qualifications.

  • Experience with Freightliner, International, Kenworth, Peterbilt, Volvo, and other heavy-duty platforms.

  • Mobile service truck experience.

  • Welding and fabrication experience.

What We Offer

  • Competitive hourly compensation based on experience and certifications.

  • Full-time employment with opportunities for overtime.

  • Opportunity to work on diesel and alternative-fuel commercial fleets.

  • Professional diagnostic tools and technical resources.

  • Growing company with opportunities for advancement.

  • Supportive, team-oriented work environment.

  • Opportunity to work independently and take ownership of repairs.

What Makes a Successful CAM Fleet Care Mechanic?


We are looking for an experienced technician who understands both conventional diesel and natural gas-powered heavy-duty vehicles.

Our ideal candidate can accurately diagnose complex mechanical and electrical problems, safely service high-pressure CNG systems, and complete repairs correctly the first time.


We value technicians who are reliable, productive, safety-conscious, detail-oriented, and take pride in their workmanship.


Apply Today

If you are a certified CNG technician with heavy-duty diesel experience and are looking to join a growing Phoenix-based fleet maintenance company, we want to hear from you.


CAM Fleet Care – We Keep Your Fleet on the Street.

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