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Diesel Optimization Jobs in Texas (NOW HIRING)

Industrial Diesel

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Diesel Senior Technician

Decatur, TX · On-site

$20 - $40/hr

The ideal candidate will be responsible for diagnosing, repairing, and maintaining diesel engines and related systems to ensure optimal performance and reliability. Key Responsibilities: * Diagnose ...

Sunrise Services, LLC

Diesel Mechanic

Houston, TX · On-site

$22.25 - $29.50/hr

Diesel Mechanic Location: Houston, TX, 77049 Job Summary We are seeking a skilled Diesel Mechanic ... ensure optimal vehicle performance. Key Responsibilities * Perform routine oil changes and other ...

LV Petroleum

Experienced Diesel Technician

Pearsall, TX · On-site

Performing routine maintenance and repairs on diesel engines, ensuring optimal functionality. * Diagnosing and troubleshooting mechanical and electrical issues in diesel-powered equipment. * Keeping ...

LV Petroleum

Experienced Diesel Technician

Pearsall, TX · On-site

Performing routine maintenance and repairs on diesel engines, ensuring optimal functionality. * Diagnosing and troubleshooting mechanical and electrical issues in diesel-powered equipment. * Keeping ...

R&R Construction Inc.

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Diesel Mechanic

Monahans, TX · On-site

$35 - $40/hr

... to ensure optimal performance. 3. Diagnose complex mechanical and electrical problems using ... A diesel mechanic plays a crucial role in keeping diesel-powered equipment and vehicles running ...

LV Petroleum

Experienced Diesel Technician

Pearsall, TX · On-site

Performing routine maintenance and repairs on diesel engines, ensuring optimal functionality. * Diagnosing and troubleshooting mechanical and electrical issues in diesel-powered equipment. * Keeping ...

LV Petroleum

Experienced Diesel Technician

Pearsall, TX · On-site

Performing routine maintenance and repairs on diesel engines, ensuring optimal functionality. * Diagnosing and troubleshooting mechanical and electrical issues in diesel-powered equipment. * Keeping ...

TekSky

Diesel Technician

Dallas, TX · On-site

... optimal working condition. The ideal candidate will contribute to minimizing downtime and ... Experience in Maintenance & Repair of diesel engines and related systems * Excellent Customer ...

JetEx Freight

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Heavy Duty Diesel Mechanic

Grand Prairie, TX · On-site

$30 - $35/hr

The Heavy Duty Diesel Mechanic plays a critical role in maintaining and repairing JetEx Freight ... Conduct repairs and maintenance to ensure optimal equipment performance * Implement quality ...

New

Transdev

Diesel Mechanic

Houston, TX · On-site

$27.58 - $41.93/hr

Diesel Mechanic Transdev in Houston, TX is seeking an experienced Diesel Mechanic to bolster our ... optimal functionality. · Assist A-Level Mechanics in advanced diagnostic and repair tasks ...

Transdev

Diesel Mechanic

Houston, TX · On-site

$27.58 - $41.93/hr

Diesel Mechanic Transdev in Houston, TX is seeking an experienced Diesel Mechanic to bolster our ... optimal functionality. • Assist A-Level Mechanics in advanced diagnostic and repair tasks ...

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Infographic showing various Diesel Optimization job openings in Texas as of June 2026, with employment types broken down into 60% Full Time, and 40% Contract. Highlights an 100% In-person job distribution.

Diesel Senior Technician

Industrial Diesel

Decatur, TX • On-site

$20 - $40/hr

Full-time

Medical, Dental, Vision

Re-posted 12 days ago

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Job description

Job Title: Experienced Diesel Technician (Cummins / Caterpillar Specialist)

Job Summary:
We are seeking a highly skilled and experienced Diesel Technician with expertise in Cummins and/or Caterpillar engines and equipment. The ideal candidate will be responsible for diagnosing, repairing, and maintaining diesel engines and related systems to ensure optimal performance and reliability.

Key Responsibilities:

  • Diagnose mechanical, electrical, and hydraulic issues in diesel engines and heavy equipment
  • Perform repairs and maintenance on Cummins and Caterpillar engines, generators, and machinery
  • Use diagnostic tools and software to troubleshoot engine faults and system failures
  • Conduct routine inspections, preventative maintenance, and overhauls
  • Interpret technical manuals, schematics, and service bulletins
  • Ensure all work meets safety standards and manufacturer specifications
  • Maintain accurate service records and documentation
  • Communicate effectively with service advisors, supervisors, and customers

Qualifications:

  • Minimum of 3–5+ years of experience working with diesel engines
  • Proven experience with Cummins and/or Caterpillar equipment required
  • Strong knowledge of diesel engine systems, including fuel, electrical, emissions, and hydraulics
  • Experience using OEM diagnostic software (e.g., INSITE, CAT ET)
  • Ability to read and interpret technical documents and schematics
  • Valid driver’s license (CDL preferred but not required)

Preferred Certifications:

  • OEM certifications from Cummins or Caterpillar
  • ASE Diesel Certification (T2–T8)
  • Technical school or trade program completion

Skills & Attributes:

  • Strong troubleshooting and problem-solving skills
  • Attention to detail and commitment to quality workmanship
  • Ability to work independently and as part of a team
  • Strong work ethic and reliability

Working Conditions:

  • Shop and field service environments
  • May require lifting heavy components (50+ lbs)
  • Exposure to varying weather conditions, noise, and diesel fumes

Compensation & Benefits:

  • Competitive pay based on experience
  • Health, dental, and vision insurance
  • Paid time off and holidays
  • Ongoing training and career development opportunities