Diesel Technician

A Hiring Company; Columbus (OH); On-site; USD 34,000 - 58,000; Full time

Job summary

ADMAR Supply in Columbus, OH is seeking Diesel Technicians to service rental and customer equipment. The role includes diagnosing, repairing, and maintaining diesel engines, hydraulic and electrical systems, with a focus on safety and uptime.

We offer four-tier technician progression, continuous manufacturer training, and a comprehensive benefits package. This is a hands-on position in a team-oriented service environment designed to grow your skills.

Qualifications

• High school diploma or equivalent.
• At least one year of experience in service, maintenance, or mechanical environment.
• Ability to troubleshoot mechanical problems and follow technical instructions.
• Ability to read and understand technical manuals, diagrams, and schematics.
• Commitment to workplace safety and compliance with applicable OSHA, ANSI, and other regulations.

Responsibilities

• Inspect returned rental equipment, identify damage or mechanical issues, and document necessary repairs.
• Diagnose, troubleshoot, maintain, and repair diesel engines, small engines, hydraulic systems, electrical systems, and other equipment components.
• Work with the Service Writer and Service Manager to prioritize repairs and ensure equipment is serviced efficiently.
• Identify root causes of mechanical failures and recommend appropriate repair solutions.
• Perform preventative maintenance, inspections, and repairs to maximize equipment reliability and uptime.
• Complete thorough equipment inspections to ensure all safety features are functioning properly and equipment is rent-ready.
• Maintain accurate service records, repair documentation, and required paperwork.
• Read and interpret technical manuals, schematics, drawings, and diagrams.
• Maintain a clean, organized, and safe work environment.
• Follow all applicable OSHA, ANSI, and company safety policies and procedures.
• Participate in company-provided training, manufacturer training, and professional development opportunities.
• Collaborate with service team members to maintain high standards of workmanship and customer satisfaction.

Skills

Troubleshooting

Reading technical manuals

Diagrams & schematics

Safety compliance

Education

High school diploma or equivalent

Technical school education / vocational training / certifications

Job description

Are you an experienced Diesel Technician or mechanically inclined professional looking to grow your career? ADMAR Supply is looking for motivated individuals to join our Columbus, OH service team!

As a provider of construction equipment rentals, sales, and service, ADMAR Supply offers the opportunity to work on a wide variety of equipment while developing your technical skills in a supportive, team-oriented environment.

Whether you're an experienced technician or looking to advance your career, ADMAR Supply provides opportunities to learn, grow, and succeed.

Why Work for ADMAR Supply?

Build Your Career with ADMAR Supply!

Are you an experienced Diesel Technician or mechanically inclined professional looking to grow your career? ADMAR Supply is looking for motivated individuals to join our Columbus, OH service team!

As a provider of construction equipment rentals, sales, and service, ADMAR Supply offers the opportunity to work on a wide variety of equipment while developing your technical skills in a supportive, team-oriented environment.

Whether you're an experienced technician or looking to advance your career, ADMAR Supply provides opportunities to learn, grow, and succeed.

Why Work for ADMAR Supply?

At ADMAR Supply, our technicians are essential to our success. We value hard work, technical expertise, teamwork, and a commitment to providing exceptional customer service.

What Makes ADMAR a Great Place to Work?

• Competitive Compensation: Hourly pay based on experience, qualifications, and technical abilities.
• Career Advancement: Our four-tier technician structure provides a clear path for professional growth and increased earning potential.
• Ongoing Training: Opportunities for manufacturer training, technical certifications, and hands‑on learning.
• Variety of Equipment: Gain experience working on excavators, skid steers, aerial lifts, forklifts, generators, and other construction equipment.
• Established Company: Join an organization with experience in the construction equipment industry.
• Supportive Team Environment: Work alongside experienced technicians and service professionals committed to safety, quality, and customer satisfaction.

At ADMAR Supply, you're not just taking another job — you're building a career!

ADMAR Benefits

At ADMAR Supply, we recognize that our employees are the foundation of our success. We strive to offer a competitive benefits package that supports the health, financial well‑being, work‑life balance, and long‑term career growth of our team members.

Our Benefits Package May Include:

• Medical Insurance: Health insurance options for eligible employees and their families.
• Dental & Vision Insurance: Coverage options to support your overall health and wellness.
• 401(k) Retirement Plan: Retirement savings opportunities to help you plan for the future.
• Paid Time Off (PTO): Paid vacation and personal time to support work‑life balance.
• Paid Holidays: Company‑observed paid holidays.
• Life Insurance: Coverage options to provide additional financial protection.
• Short-Term & Long-Term Disability Insurance: Benefits designed to provide financial support during qualifying periods of disability.
• Employee Training & Development: Company-supported technical training, manufacturer certifications, and ongoing professional development.
• Career Advancement Opportunities: A structured four‑tier technician progression system that recognizes experience, technical skills, and professional growth.
• Competitive Compensation: Hourly wages based on experience, qualifications, and technical abilities.

Benefits and eligibility are subject to ADMAR Supply's current benefit plans and company policies.

Position Overview

The Diesel Technician is responsible for maintaining, diagnosing, troubleshooting, and repairing ADMAR Supply rental equipment and customer‑owned equipment.

This position plays an important role in ensuring equipment operates safely, efficiently, and reliably while minimizing downtime and delivering an exceptional customer experience.

Essential Responsibilities

• Inspect returned rental equipment, identify damage or mechanical issues, and document necessary repairs.
• Diagnose, troubleshoot, maintain, and repair diesel engines, small engines, hydraulic systems, electrical systems, and other equipment components.
• Work with the Service Writer and Service Manager to prioritize repairs and ensure equipment is serviced efficiently.
• Identify root causes of mechanical failures and recommend appropriate repair solutions.
• Perform preventative maintenance, inspections, and repairs to maximize equipment reliability and uptime.
• Complete thorough equipment inspections to ensure all safety features are functioning properly and equipment is clean, properly labeled, and rent‑ready.
• Maintain accurate service records, repair documentation, and required paperwork.
• Read and interpret technical manuals, schematics, drawings, and diagrams.
• Maintain a clean, organized, and safe work environment.
• Follow all applicable OSHA, ANSI, and company safety policies and procedures.
• Participate in company‑provided training, manufacturer training, and professional development opportunities.
• Collaborate with service team members to maintain high standards of workmanship and customer satisfaction.
• Be an integral part of The ADMAR Experience.

Technician Experience Levels

ADMAR Supply offers opportunities for technicians at varying levels of experience.

Technician Tier IV – Entry Level

• Minimal relevant technician experience.
• Performs basic maintenance, inspections, and repairs.
• Works under direct supervision with guidance from experienced technicians.
• Develops technical knowledge and diagnostic abilities through hands‑on training.

Technician Tier III – Developing Technician

• Limited relevant technician experience.
• Performs maintenance, basic repairs, and diagnostics on a moderate range of equipment.
• Works with limited direct supervision.
• Continues developing troubleshooting and repair skills.

Technician Tier II – Experienced Technician

• Demonstrated experience maintaining and repairing construction or diesel‑powered equipment.
• Performs moderately complex repairs and diagnostic procedures.
• Works independently with limited supervision.
• May assist in training and mentoring less experienced technicians.

Technician Tier I – Advanced Technician

• Significant experience diagnosing, maintaining, and repairing construction equipment.
• Performs complex troubleshooting and repairs across a wide range of equipment.
• Works independently with minimal supervision.
• Provides technical guidance and training to less experienced technicians.

Qualifications & Experience

Required:

• High school diploma or equivalent.
• At least one year of experience working in a service, maintenance, or mechanical environment.
• Ability to troubleshoot mechanical problems and follow technical instructions.
• Ability to read and understand technical manuals, diagrams, and schematics.
• Commitment to workplace safety and compliance with applicable OSHA, ANSI, and other regulations.

Preferred:

• Experience repairing construction equipment, diesel engines, or rental equipment.
• Knowledge of hydraulic, electrical, and mechanical systems.
• Small engine repair experience.
• Experience performing preventative maintenance and equipment diagnostics.
• Technical school education, vocational training, or relevant certifications.

Physical Requirements & Work Environment

• Ability to stand, walk, sit, bend, and perform physical tasks throughout the workday.
• Ability to lift and carry up to 50 pounds.
• Ability to work in a typical service bay environment with exposure to noise, dust, fumes, heat, and cold.
• Ability to perform tasks requiring close and distance vision, depth perception, peripheral vision, and color differentiation.
• Ability to follow all applicable safety procedures and properly use required personal protective equipment (PPE).

Join the ADMAR Supply Team!

If you're passionate about working with your hands, solving mechanical problems, and keeping construction equipment running at its best, we want to hear from you!

Whether you're an experienced Diesel Technician or an aspiring technician looking for career advancement, ADMAR Supply offers an opportunity to develop your skills and become part of a team that takes pride in its work.

Compensation details: 25-42 Hourly Wage