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Vulcan Materials · Lexington, KY

# Diesel Technician Master

Lexington, KY, United States On-site Skilled Trades & Maintenance 

Listed on Vulcan Materials’s official careers site. Posted July 23, 2026. Check that it is still open and apply there.
[Apply on Vulcan Materials’s careers site →](https://vmcfa-prod-iccgjb.fa.ocs.oraclecloud.com/hcmUI/CandidateExperience/en/sites/careers/job/450)

[OpenNash Jobs](https://jobs.opennash.com/) / [Vulcan Materials](https://jobs.opennash.com/companies/vulcan-materials/) / Diesel Technician Master

## Job description

### Job Summary

An expert-level technician specializing in the maintenance, diagnosis, and repair of diesel engines and related systems. Responsible for performing complex mechanical, electrical, and electronic troubleshooting on heavy-duty diesel vehicles and equipment. Provides guidance and mentorship to junior technicians, ensures compliance with safety and environmental regulations, and maintains detailed service records. Often works independently or as a lead on service teams to ensure optimal performance and reliability of diesel-powered machinery.

### Essential Functions
- Advanced knowledge to diagnose and repair diesel engines and related equipment including air systems, oil analysis, cooling system
- Excellent troubleshooting skills
- Troubleshooting of fuel system including ability to perform diagnostic test with manufacturer software
- Test & adjust all of the following hydraulic and hydrostatic systems
- Perform troubleshooting & diagnosing circuit faults
- Basic troubleshooting for entire fuel system
- Disassemble & assemble pumps & lines for the fuel system.
- Ability to properly troubleshoot Tier 4 Systems
- Strong communication and teamwork skills
- Perform routine maintenance on diesel equipment, including oil changes, filter replacements, and fluid checks
- Troubleshoot and repair electrical and mechanical problems
- Inspect diesel equipment and related equipment for safety and compliance issues
- Keep up-to-date on the latest diesel equipment technology
- Work independently and as part of a team
- Follow all safety procedures and regulations

### Critical Competencies
- Communication
- Ability to clearly and effectively convey information, ideas, and messages to others in both written and verbal formats; can express one's thoughts clearly but also demonstrate active listening, understands the needs of the audience, and adapts the message to ensure it is understood.
- Safety Awareness
- Ability to recognize, understand, and adhere to safety protocols and procedures in the workplace; proactive in identifying potential hazards, taking steps to mitigate risks, and ensuring that both personal and collective safety are maintained in all tasks and environments.
- Work Ethic
- Demonstrates commitment and dedication toward completing tasks with high standards of quality, responsibility, and diligence; demonstrates reliability, professionalism, and a strong sense of personal responsibility in fulfilling job duties.
- Attention to Detail- Ability to thoroughly and accurately complete tasks, ensuring that no aspects or elements are overlooked; meticulous and precise when handling information, performing tasks, or delivering work, and is critical in ensuring the quality, accuracy, and integrity of the results.
- Collaboration
- Ability to work effectively with others to achieve common goals by fostering teamwork, open communication, and mutual respect. It involves actively listening, sharing ideas, problem-solving collectively, and leveraging diverse skills and perspectives. Strong collaboration requires adaptability, conflict resolution, and a willingness to support team members, ensuring productivity and a positive work environment.
- Technical Expertise -Solid mechanical understanding of mobile equipment, including basic maintenance checks and troubleshooting minor issues. Ability to identify signs of equipment malfunction, understand and report them to the maintenance team.

## Responsibilities

### Education
- High School diploma or GED equivalent required.
- Previous experience working on diesel or heavy construction equipment is required.
- Additional vocational/trade school training in a mechanical field is required.

### Experience
- Able to perform all functions on Vulcan's equipment management software.
- Previous experience and understanding of electrical, powertrain and hydraulic knowledge, usage of CAT SIS, Vulcan EMS processes and my Komatsu.
- Knowledge of general principles and practices of servicing heavy construction equipment required.
- Related equipment knowledge on engines, hydraulics, electronics, Tier 4 Systems and fuel systems. Knowledge, Skills, and Abilities
- Knowledge of general principles and practices of servicing heavy construction equipment is preferred.
- Must have some knowledge of industrial tools, their uses, and maintenance.
- Mechanical Skills.
- Applies knowledge and experience effectively in situations

### Other Requirements
- Must be willing to work overtime and extended hours depending on customer and company demands.
- Must be able to work outside in all types of weather conditions and tolerate being exposed to loud noises.
- Perform physical activities that require moving your whole body and considerable use of your arms and legs, such as climbing, lifting, balancing, walking, stooping, and handling materials.
- Must have knowledge of industrial tools, their uses and maintenance.
- Travel will be required overnight as business demands.
- Take an active role in prioritizing safety for yourself and others throughout the operation at all times.
- Must have and maintain valid driver's license. JD Disclaimer Vulcan Materials Company is an equal opportunity employer.

## At a glance
- Posted by the employer: Jul 23, 2026
- First seen by OpenNash: Oct 11, 2026
- Last checked: Oct 18, 2026
- Listed for: 87 days
- Location: Lexington, KY, United States
- Work arrangement: On-site[Apply on Vulcan Materials’s careers site →](https://vmcfa-prod-iccgjb.fa.ocs.oraclecloud.com/hcmUI/CandidateExperience/en/sites/careers/job/450)

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