Diesel Technician III

Associated Ready Mixed Concrete; California (MO); On-site; USD 55,000 - 90,000; Full time

Benefits offered by this job

Paid holidays

Paid vacation

Medical, Dental, Vision

401k Retirement

Boot allowance

Job summary

Associated Ready Mixed Concrete seeks a skilled Maintenance Truck Technician III to perform advanced diagnostics and repairs on heavy‑duty trucks, focusing on engines, transmissions, and electronics. The role requires proactive maintenance, safety discipline, and precise record keeping across a busy fleet.

Responsibilities include diagnosing failures, completing inspections, and executing preventive maintenance to DOT and company standards.

Qualifications

• Must have basic understanding of vehicle maintenance and safety procedures.
• Experience with heavy-duty truck systems preferred.
• Strong diagnostic and preventive maintenance capabilities.

Responsibilities

• Diagnose and repair vehicle systems including engines, transmissions, and hydraulics.
• Perform preventive maintenance and inspections to DOT and company standards.
• Maintain thorough documentation of work orders and inspections.
• Replace, install, and service brake systems, electrical components, HVAC, and related equipment.
• Ensure compliance with safety and quality standards.

Skills

Read and interpret documents

Basic math & measurement

Maintenance repair knowledge

Education

High school diploma

Associates or technical certificate

Tools

Own tools

Job description

Job Description

As a valued member of our team, the Maintenance Truck Tech III is required to perform all duties of the level 1 and level 2 technician. In addition, should show proficiency one of the two mayor skill level categories and about 60% proficiency in another category. Category 1 includes internal repairs on engines, transmissions, and gear boxes. Category 2 includes electronic control modules and sensors complex electrical and after treatment repairs.

Shift

1. Tuesday - Saturday from 07:00 am - 3:30 pm

Occasional overtime may be required as needed.

Travel Required

Estimated less than 25%

Benefits

• Paid Holidays
• Paid Vacation
• Medical, Dental, Vision
• 401k Retirement
• $100 credit for boots after 90 days
• Uniforms provided
• Tool allowance when applicable
• Monthly credit for cellphone use

Essential Functions

• Appropriate tools required to diagnose, perform mayor repairs in vehicles and to effectively do inspections and routine preventive services.
• Able to use compressed gas torch and adjustments.
• Effectively do inspections and mechanical repairs to equipment and routine preventive services.
• Efficient communication and computer skills for proper file documentation on each job performed.
• Knowledge and ability to identify the proper name of all visible parts and non-visible parts in a vehicle.
• Maintain a high standard of safety, cleanliness, and efficiency in all maintenance.
• Ensures vehicles meet CHP/BIT/PM inspection requirements.
• Will maintain appropriate record keeping for Bit inspections, DVIRs, work done description and work orders.
• Replace, install and service brake systems, cab and sheet metal components, engine accessories, HVAC systems, hydraulic systems, and lighting electrical systems.
• Replace, install and service mixer truck equipment, product transfer systems, starting systems, steering systems, transmissions, wheels, hubs and bearings.
• Replace, install frame components and basic diagnose of electronic control systems.
• Replace, install, service and diagnose charging systems, clutches and drive lines, and suspensions systems.
• Will inspect and identify vehicle conditions on different types of equipment such as tractors, trailers, or mixers.
• Will install, select, or identify proper tire replacements & legal limit knowledge.
• Diagnose and repair vehicle system engine failure and vehicle system transmission & gear box failure.
• Follow manufacture service and troubleshooting procedures, diagnose and repair vehicle system.
• Diagnose and repair vehicle Aftertreatment systems, Advance Electrical systems, Air brake system and brake valve diagnose.
• Diagnose and repair vehicle Hydraulic system failure.
• Diagnose and repair HVAC failure diagnose.
• Complete all maintenance duties as assigned, and repair all equipment on property including, but not limited to, diesel, plant, or yard equipment.
• Perform routine and preventive maintenance to keep vehicles and equipment in compliance with DOT and company standards.

Non-Essential Duties

• Efficient organizational skills for scheduling and periodization of jobs.
• Will prepare metal surfaces and welding techniques to complete assigned tasks.
• Track and schedule operations or manager on vehicles status and updates.
• Perform other duties as assigned by management.

Core Competencies

• Ability to read and interpret documents.
• Basic math and measurement skills.
• Knowledge of methods, tools, and equipment utilized in maintenance repair

Minimum Education and Experience

• High school diploma.
• 4+ years of heavy-duty tractor maintenance experience.
• 4+ years experience of work on electrical, mechanical, and hydraulic systems.
• Must have own tools.

Preferred Education and Experience

• Associates degree, technical school certificate or equivalent experience.
• 5+ years of heavy-duty tractor maintenance experience.
• 5+ years experience of work on electrical, mechanical, and hydraulic systems.
• 3+ years experience welding.

Other Duties

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that a