Diesel Diagnostic Tech (Mobile & Shop) – $30/HR + Commission

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

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.