Diesel Mechanic (Diag)

Vital Tech Solutions; Kentucky; On-site; USD 50,000 - 70,000; Full time

Job summary

Vital Tech Solutions in Kentucky is seeking an experienced Diesel Mechanic to support our maintenance operations. This role involves advanced troubleshooting, diagnostics, and repairs of diesel-powered trucks and equipment.

The ideal candidate will have at least 5 years of hands-on experience as a diesel technician, strong electrical systems knowledge, and the ability to work with OEM diagnostic tools. A valid driver's license is required, and experience with systems like Cummins and Detroit Diesel is essential.

Qualifications

• Minimum 5 years of hands-on experience as a diesel technician.
• Strong diagnostic and electrical troubleshooting background.
• Experience working with diesel engine platforms such as Cummins, Detroit Diesel, or CAT.

Responsibilities

• Utilize diagnostic software to identify root cause failures.
• Conduct preventative maintenance inspections.
• Diagnose and repair mechanical and electrical issues.

Skills

Electrical systems knowledge

Advanced troubleshooting

Diagnostic tools proficiency

Mechanical repair skills

Tools

OEM diagnostic software

Scan tools

Basic hand tools

Job description

Taylor, United States | Posted on 06/25/2026

Diesel Mechanics! - Join a Company Where People Stay, Benefits Matter, and Respect Comes First.

Shift is Mon-Fri 6am-2:30am

We are looking for an experienced Diagnostic Diesel Technician to support our maintenance operations through advanced troubleshooting, diagnostics, and repair of diesel-powered trucks and equipment. This position requires a technician with strong electrical and emissions systems knowledge who can accurately diagnose complex mechanical failures and complete repairs safely and efficiently.

Key Responsibilities

• Utilize OEM diagnostic software, scan tools, and technical resources to identify root cause failures and complete accurate repairs
• Conduct preventative maintenance inspections and identify potential equipment concerns before failure occurs
• Diagnose and repair mechanical, electrical, hydraulic, pneumatic, steering, suspension, brake, and drivetrain issues
• Maintain compliance with company safety procedures, environmental regulations, and maintenance standards
• Perform advanced diagnostics and troubleshooting on diesel engines, electronic controls, and emissions systems
• Accurately document diagnostics, completed repairs, labor, and parts usage
• Support shop operations by assisting and mentoring junior technicians as needed
• Service and repair aftertreatment systems including DPF, DEF, and SCR components

Requirements

• Ability to read and interpret wiring diagrams, service manuals, and technical documentation
• Minimum 5 years of hands‑on experience as a diesel technician
• Familiarity with OEM diagnostic software, electronic troubleshooting systems, and scan tools
• Must provide own basic hand tools
• Experience diagnosing and repairing aftertreatment systems including DPF, DEF, and SCR
• Strong diagnostic and electrical troubleshooting background
• Valid driver’s license required; CDL preferred or willingness to obtain
• Experience working with diesel engine platforms such as Cummins, Detroit Diesel, CAT, PACCAR, or equivalent
• Experience performing repairs on engines, drivetrains, brakes, steering, suspension, and related heavy‑duty systems