Diesel Technician II – Diagnostics & PM Expert

Cox Enterprises; Jacksonville (FL); On-site; USD 48,000 - 72,000; Full time

Benefits offered by this job

Weekly pay

Safety boots & glasses reimbursement

Tuition assistance

Job summary

Cox Fleet is hiring a Shop Diesel Technician II to perform DOT inspections, preventive maintenance, and light-to-medium repairs on a range of heavy-duty trucks. You’ll diagnose electrical, hydraulic, and mechanical issues, follow safety protocols, and support senior technicians in a fast-paced shop environment.

Known for 24/7 call-center support and nationwide on-site/mobile maintenance, Cox Fleet offers training and a clear career path.

Qualifications

• High School Diploma/GED and 3 years’ experience in a related field.
• DOT pre-employment background screening and DOT physical.
• Valid driver’s license and ability to obtain Driver Qualification File.
• DOT/ FMCSA regulations familiarity.

Responsibilities

• Follow safety practices and procedures.
• Determine parts and liaise with Parts Department.
• Maintain a clean and safe work environment.
• Perform PM, DOT inspections and follow-up repairs.
• Diagnose and repair diesel truck systems.
• Assist Shop Diesel Technician I with diagnostics.

Skills

Safety awareness

Diagnose electrical/engine systems

Quality workmanship

Team communication

Reading repair manuals

Basic mechanical troubleshooting

Education

High School Diploma/GED

ASE T8 (PMI) certification

ASE T3/T4/T5 certifications (preferred)

Tools

Karmak system

Hand tools set

Job description

Cox Fleet is hiring a Shop Diesel Technician II to perform DOT inspections, preventive maintenance, and light-to-medium repairs on a range of heavy-duty trucks. You’ll diagnose electrical, hydraulic, and mechanical issues, follow safety protocols, and support senior technicians in a fast-paced shop environment.

Known for 24/7 call-center support and nationwide on-site/mobile maintenance, Cox Fleet offers training and a clear career path.