Diesel Mechanic - All Levels

Master's Transportation•Irving, TX

About The Position

The Automotive Technician is responsible for inspecting, maintaining, diagnosing, repairing, and upfitting automobiles, vans, buses, and fleet vehicles. Responsibilities are assigned according to the technician’s skill level, experience, certifications, and demonstrated competency. The role supports safe, reliable, and compliant vehicle operation while maintaining workmanship, productivity, and customer-service standards. Technicians progress through three levels. Technician I performs routine maintenance and basic repairs while developing diagnostic and technical skills with guidance from senior technicians. Technician II independently performs preventive maintenance, diagnostics, and moderate repairs, generally with minimal supervision. Technician III performs advanced diagnostics, complex repairs, and fleet-service work and provides technical guidance to lower-level technicians. The position is full-time, non-exempt, and reports to the Service Manager. Work schedules and work locations vary. It is safety-sensitive because the work involves maintaining, inspecting, repairing, and testing vehicles and equipment essential to safe operation. Employees may be subject to drug and alcohol testing under company policy and applicable law.

Requirements

High school diploma or GED.
Technician I: 0–2 years of mechanical experience preferred; experience is not specified as a strict requirement.
Technician II: 2–5 years of automotive repair experience and ability to perform repairs independently.
Technician III: Seven or more years of automotive technician experience and advanced diagnostic and repair proficiency.
Possess most of the tools required for assigned job duties for Technician II and Technician III roles.
Valid driver’s license with an acceptable driving record.
Technical aptitude and diagnostic skills.
Problem-solving ability, time management, and attention to detail.
Customer-service and communication skills.
Computer and tablet proficiency.
Sense of urgency, innovation, teamwork, and commitment to continuous learning.

Nice To Haves

ASE certifications.
DOT Inspection Certification.
MVI License.
EPA 609/A/C Certification.
Commercial Driver’s License (CDL), or ability to obtain one within six months.
Experience with diesel engines, buses, vans, and fleet vehicles.

Responsibilities

Inspect, diagnose, maintain, and repair vehicles and equipment.
Perform preventive maintenance services, including oil changes, lubrication, fluid checks, tire rotations, and inspections.
Test vehicle systems and components and use diagnostic tools and computerized equipment.
Replace wear items and perform vehicle repairs appropriate to the technician’s level.
Diagnose and repair steering, suspension, braking, HVAC, electrical, drivability, diesel, engine, transmission, and other vehicle systems as appropriate to skill level.
Perform vehicle alignments, welding, exhaust repairs, upfitting, and modifications as appropriate to skill level.
Complete repair orders, work orders, repair findings, and supporting documentation accurately.
Follow maintenance checklists, service procedures, company policies, safety requirements, and applicable DOT standards.
Maintain productivity and quality standards and keep work areas clean, organized, and safe.
Assist with repairs and provide training, mentoring, or technical guidance to lower-level technicians as appropriate.
Participate in ongoing technical training and development.
Record hours worked accurately using company systems.
Perform vehicle transport and portering duties as needed.
Wear required personal protective equipment.