Diesel Mechanic: Heavy-Duty Truck & Equipment Tech

County-Materials-Family-of-Companies; Astatula (FL); On-site; USD 40,000 - 65,000; Full time

Job summary

County Materials in Astatula, FL is seeking a Diesel Mechanic/ Diesel Technician to maintain and repair diesel engines on trucks and heavy equipment. The role focuses on diagnostics, preventive maintenance, and safety-compliant operation.

Responsibilities include troubleshooting engines, performing hydraulic and welding tasks, completing PMs and DOT inspections, and documenting maintenance activities. A high school diploma and 2+ years in diesel mechanics are required; CDL is preferred.

Qualifications

• High school diploma or equivalent required.
• Minimum of 2 years in diesel mechanics.
• CDL preferred.
• Strong hydraulic, mechanical and welding experience.

Responsibilities

• Troubleshoot, diagnose, and repair diesel engines, trucks, and heavy‑duty equipment.
• Perform mechanical, hydraulic, and pneumatic repairs as needed.
• Complete preventative maintenance and DOT inspections.
• Respond to emergencies to minimize downtime.
• Read and interpret manuals, schematics, and service docs.
• Document repairs and maintain tool/equipment logs.
• Maintain a clean, safe work area and support special projects.

Skills

Diesel engines

Heavy-duty equipment

Diagnostics & troubleshooting

Welding

Hydraulic systems

Safety practices

Education

High School Diploma or Equivalent

Tools

Welding equipment

Hydraulic tools

Diagnostic tools

Job description

County Materials in Astatula, FL is seeking a Diesel Mechanic/ Diesel Technician to maintain and repair diesel engines on trucks and heavy equipment. The role focuses on diagnostics, preventive maintenance, and safety-compliant operation.

Responsibilities include troubleshooting engines, performing hydraulic and welding tasks, completing PMs and DOT inspections, and documenting maintenance activities. A high school diploma and 2+ years in diesel mechanics are required; CDL is preferred.