Diesel Technician

Lkjordan; San Antonio (TX); Hybrid; USD 34,000 - 49,000; Full time

Job summary

LK Jordan & Associates seeks a skilled Diesel Diagnostic Technician to troubleshoot, repair, and maintain heavy‑duty diesel engines. The role blends 50% in‑shop work with 50% mobile service across Austin, Victoria, Jourdanton, and Bandera.

You will use advanced software and read schematics to diagnose engine, hydraulic, and electrical issues. The ideal candidate is highly technical, self‑motivated, and able to work independently or in a shop.

Qualifications

• Diesel Technology Certification required.
• Proficiency with diesel diagnostic software (JPRO, Cummins Insite, Isuzu IDSS).
• Strong knowledge of diesel engines, hydraulics and electrical diagnostics.
• Must read/interp electrical schematics and service docs.

Responsibilities

• Diagnose and repair heavy‑duty diesel engines, including hydraulic and electrical systems.
• Use advanced diagnostic software and tools to identify faults.
• Read and apply electrical schematics and manuals for repairs.
• Perform preventative maintenance on diesel equipment.
• Provide mobile diagnostics and repairs at customer sites across service region.
• Document findings and parts used in service reports.

Skills

Diesel engine diagnostics

Diesel diagnostic software

Electrical diagnostics

Reading electrical schematics

Education

Diesel Technology Certification

Tools

JPRO

Cummins Insite

Isuzu IDSS

Job description

We are seeking a skilled Diesel Diagnostic Technician who specializes in troubleshooting, repairing, and maintaining heavy-duty diesel engines. This role requires expertise in advanced diagnostic software, electrical schematics, and modern troubleshooting techniques to accurately identify and resolve engine, hydraulic, and electrical issues. This position is split 50% in-shop and 50% mobile service, traveling to customer locations throughout Austin, Victoria, Jourdanton, and Bandera to perform diagnostics and repairs.

The ideal candidate is highly technical, self-motivated, and comfortable working both independently in the field and collaboratively in a shop environment.

Pay can go up to $30/hour PLUS eligibility for labor-generated commission upon permanent hire.

Key Responsibilities

• Diagnose and repair heavy-duty diesel engines, including engine, hydraulic, and electrical systems.
• Utilize advanced diagnostic software and electronic service tools to identify faults and performance issues.
• Interpret and apply electrical schematics and service manuals to complete accurate repairs.
• Perform preventative maintenance and inspections on diesel equipment and vehicles.
• Provide mobile diagnostic and repair services at customer job sites across the service region.
• Document diagnostic findings, repairs, and parts used in service reports.
• Communicate repair needs and recommendations to customers and management.
• Maintain tools, equipment, and service vehicles in safe and working condition.
• Ensure compliance with all safety standards and company procedures.

Requirements

• Diesel Technology Certification required.
• Proficiency with diesel diagnostic software, including: JPRO Cummins Insite Isuzu IDSS
• Strong knowledge of diesel engine systems, hydraulics, and electrical diagnostics.
• Ability to read and interpret electrical schematics and service documentation.
• Valid Texas driver’s license with a clean driving record.
• Must pass background check, MVR review, and drug screening.
• Must provide basic hand tools and toolbox.
• Ability to work both in-shop and in the field with minimal supervision.

LK Jordan & Associates is an equal opportunity employer.