Diesel Mechanic – Power Generation Field Service Technician

Istate Truck, Inc.; Surprise (AZ); On-site; USD 41,000 - 69,000; Full time

Benefits offered by this job

Health insurance

Dental insurance

Vision insurance

401(k) with company match

Paid time off

Holidays

Company-provided tools

Uniforms

Service vehicle

Job summary

Interstate Energy Systems in Surprise, AZ is seeking a Diesel Mechanic – Power Generation Field Service Technician to service large diesel and natural gas engines in generator systems. This role leverages heavy‑duty diesel experience from trucks, construction equipment, or industrial engines.

The position offers a field-based environment with a company vehicle, competitive hourly pay, and a sign-on bonus. Growth opportunities and ongoing training are provided.

Qualifications

• Diesel mechanic or technician experience required.
• Knowledge of diesel engines, electrical systems, and aftertreatment preferred.
• Experience with Cummins, Caterpillar, or similar engines a plus.
• Ability to use diagnostic tools and read schematics.
• Valid driver's license; CDL is a plus.
• Ability to lift up to 50 lbs and work in varied environments.
• Field-based role with company vehicle provided.

Responsibilities

• Diagnose, repair, and maintain heavy-duty diesel engines and generator systems.
• Troubleshoot mechanical, electrical, and control-related issues.
• Perform preventive maintenance and inspections.
• Conduct load bank testing and system startups.
• Complete service documentation and reports.
• Respond to on-call or emergency service requests as needed.

Skills

Diesel engines knowledge

Electrical systems

Schematics reading

Diagnostic tools usage

Field service

CDL desired

Tools

Diagnostic tools

Job description

Diesel Mechanic – Power Generation Field Service Technician

Diesel Mechanic – Power Generation Field Service Technician

Interstate Energy Systems – Surprise, AZ
Pay: $30–$50/hour DOE
Sign-On Bonus: Up to $5,000 DOE

Are you a Diesel Mechanic looking to expand your skill set beyond trucks or equipment? Interstate Energy Systems is hiring technicians with heavy-duty diesel engine experience to service industrial and commercial generator systems. Diesel engine experience is directly transferable to power generation work.

Position Overview

In this role, you’ll work on large diesel and natural gas engines used in generator systems. If you’ve worked on Class 8 trucks, construction equipment, agricultural machinery, or industrial diesel engines, this is a strong next step with steady hours, growth, and specialized training.

What You’ll Do

• Diagnose, repair, and maintain heavy-duty diesel engines and generator systems
• Troubleshoot mechanical, electrical, and control-related issues
• Perform preventive maintenance and inspections
• Conduct load bank testing and system startups
• Complete service documentation and reports
• Respond to on-call or emergency service requests as needed

What We’re Looking For

• Diesel mechanic or technician experience required
• Backgrounds encouraged to apply:
  • Heavy-duty diesel truck mechanics
  • Heavy equipment or fleet mechanics
  • Industrial engine technicians
  • Military diesel mechanics
• Knowledge of diesel engines, electrical systems, and aftertreatment preferred
• Experience with Cummins, Caterpillar, or similar engines a plus
• Ability to use diagnostic tools and read schematics
• Valid driver’s license; CDL is a plus
• Ability to lift up to 50 lbs and work in varied environments
• Transferable diesel skill set with training on generators
• Less repetitive work than fleet or shop roles
• Field-based role with company vehicle provided
• Long-term stability in a critical industry
• Competitive hourly pay based on experience
• Health, dental, and vision insurance
• 401(k) with company match
• Paid time off and holidays
• Company-provided tools, uniforms, and service vehicle
• Career advancement and ongoing training

About Interstate Energy Systems
We are a leader in power generation service and support. We invest in our technicians and provide opportunities to build long-term, rewarding careers.

Equal Opportunity Employer | Military Friendly Hiring