Mobile Diesel Technician — Field Diagnostics & Repairs

Jobtailor; Vero Beach (FL); On-site; USD 55,000 - 85,000; Full time

Job summary

Jobtailor is seeking a skilled mobile diesel technician in Florida to visit customer sites for maintenance and emergency repairs on heavy trucks and equipment.

You will diagnose mechanical, hydraulic, electrical, and electronic issues and perform engine repairs, brake work, fuel system maintenance, and transmission service using diagnostic tools to resolve performance problems.

Qualifications

• Minimum 5 years’ experience as a diesel technician, mobile service preferred.
• ASE Medium/Heavy Truck Certification or OEM training advantageous.
• Strong knowledge of diesel engines, drivetrains, fuel systems, and diagnostics.
• Valid driver’s license; CDL a plus. Able to work in the field.

Responsibilities

• Travel to customer locations for scheduled maintenance and repairs.
• Diagnose mechanical, hydraulic, electrical, and electronic issues in diesel engines and heavy trucks.
• Perform engine, brake, fuel system, and transmission services; document work.
• Use diagnostic tools/software to troubleshoot and explain needs to customers.
• Maintain service records and ensure safety compliance.

Skills

Diesel repair

Mobile service

Diagnostic procedures

Customer service

Team collaboration

Education

ASE Medium/Heavy Truck Certification

OEM Training

Tools

Diagnostic Tools

Diagnostic Software

Job description

• Travel to customer locations to perform scheduled maintenance and emergency repairs.
• Diagnose mechanical, hydraulic, electrical, and electronic issues in diesel engines, heavy trucks, and equipment.
• Perform services such as engine repairs, brake work, fuel system maintenance, transmission service, and other general diesel repairs.
• Operate diagnostic tools and software to troubleshoot and resolve performance issues.
• Provide clear, accurate estimates and explain repair needs to customers.
• Maintain accurate service records and parts usage documentation.
• Keep mobile work area clean, organized, and compliant with safety regulations.
• Deliver exceptional customer service to build strong client relationships.

Requirements

• Minimum of 5 years’ experience as a diesel technician, preferably with mobile service experience.
• ASE Medium/Heavy Truck Certification(s) or OEM training preferred.
• Strong knowledge of diesel engines, drivetrains, fuel systems, and diagnostic procedures.
• Valid driver’s license with a clean driving record (CDL a plus).
• Ability to work independently and efficiently in the field and as part of a collaborative team.
• Physical ability to lift 50 lbs. and work in various weather conditions.

Core Competencies

Demonstrates expertise in diagnosing and repairing diesel engines and heavy trucks, with a strong focus on customer service and maintaining accurate service records. Capable of operating diagnostic tools and working independently in various conditions while adhering to safety regulations.

Highest-signal resume keywords

• Diesel Engine Repair
• ASE Medium/Heavy Truck Certification
• Diagnostic Procedures
• Mobile Service Experience
• Customer Service

ATS Optimization Keywords

Hard Skills

• Mechanical Diagnosis
• Hydraulic Diagnosis
• Electrical Diagnosis
• Electronic Diagnosis
• Brake Work
• Fuel System Maintenance
• Transmission Service
• General Diesel Repairs
• Performance Troubleshooting
• Service Record Maintenance

Soft Skills

• Clear Communication
• Team Collaboration
• Customer Relationship Building

Certifications & Qualifications

• ASE Medium/Heavy Truck Certification
• OEM Training

Industry Keywords

• Diesel Engines
• Heavy Trucks
• Drivetrains
• Fuel Systems
• Safety Regulations

Tools & Technologies

• Diagnostic Tools
• Diagnostic Software