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How much do diesel optimization jobs pay per hour?

As of Aug 11, 2026, the average hourly pay for diesel optimization in the United States is $28.27, according to ZipRecruiter salary data. Most workers in this role earn between $24.04 and $31.73 per hour, depending on experience, location, and employer.
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Diesel Optimization jobs near you
Infographic showing various Diesel Optimization job openings in the United States as of August 2026, with employment types broken down into 50% Full Time, and 50% Contract. Highlights an 100% In-person job distribution, with an average salary of $58,798 per year, or $28.3 per hour.

Diesel Technician

SelecTransportation Resources

Houston, TX • On-site

Full-time

Re-posted 7 days ago

Job description

Job Type
Full-time
Description
Overview:
Responsible for inspecting, repairing, and maintaining diesel engines and vehicles. They work with various types of diesel-powered equipment, including trucks, buses, construction machinery, and generators.
Responsibilities:
  • Diagnostic Testing: Utilize diagnostic tools and equipment to identify mechanical, electrical, and hydraulic issues in diesel engines and related systems.
  • Repair and Maintenance: Perform repairs and maintenance tasks on diesel engines, transmissions, brakes, and other components according to manufacturer specifications and industry standards.
  • Routine Service: Conduct routine maintenance procedures, such as oil changes, filter replacements, and fluid checks, to prevent breakdowns and prolong engine life.
  • Troubleshooting: Investigate and troubleshoot engine malfunctions, electrical problems, and performance issues to determine the root cause and implement effective solutions.
  • Parts Replacement: Replace worn or damaged parts, such as injectors, fuel pumps, turbochargers, and gaskets, with new or refurbished components to restore optimal performance.
  • Welding and Fabrication: Perform welding and fabrication tasks to repair or modify vehicle chassis, frames, and structural components as needed.
  • Safety Compliance: Ensure compliance with safety regulations and guidelines while working on diesel-powered equipment to prevent accidents and injuries.
  • Documentation: Maintain accurate records of repairs, inspections, and service procedures performed on diesel engines and vehicles for documentation and reporting purposes.
  • Customer Service: Interact with customers to understand their concerns, explain repair options, and provide excellent service to enhance customer satisfaction and loyalty.
  • Training and Development: Stay updated on the latest diesel engine technology, diagnostic techniques, and repair procedures through continuous training and professional development opportunities.

Requirements
  • High school diploma or equivalent.
  • Completion of a diesel mechanic training program or apprenticeship preferred.
  • ASE certification in diesel engine repair (e.g., Medium-Heavy Truck Certification - T-Series) is desirable.
  • Strong mechanical aptitude and troubleshooting skills.
  • Proficiency in using diagnostic tools, computerized systems, and technical manuals.
  • Excellent attention to detail and ability to follow safety protocols.
  • Effective communication and interpersonal skills.
  • Physical stamina and dexterity to perform manual tasks in various weather conditions.
  • Willingness to work flexible hours and overtime as needed.

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