Diesel Engine Technician

NEXTRAN CORPORATION; Commerce City (CO); On-site; USD 91,693,000 - 140,405,000; Full time

Benefits offered by this job

Career Paths

Network of 30 Dealerships

Disability Insurance

Paid Time Off

Nextran Paid Life Insurance

Medical and Dependent Care FSA

401(k) Retirement Plan with Match

Company-Paid Holidays

EAP

Medical, Dental, Vision benefits

Professional Growth

Job summary

Nextran Truck Centers in Commerce City, CO is seeking an experienced Diesel Engine Technician to diagnose, repair, rebuild, and maintain medium- and heavy-duty trucks in our Engine Shop.

You will mentor apprentices, lead projects when needed, and stay current with OEM bulletins while upholding safety and quality standards in a collaborative team.

Qualifications

• 3-5+ years of diesel diagnostic experience (10+ years preferred).
• High School Diploma or GED.
• Valid driver's license with an acceptable driving record (CDL is a plus).
• Master Technician certifications in multiple areas preferred.
• ASE Certifications are a plus.
• Strong mechanical aptitude and troubleshooting skills.
• Intermediate computer skills, including proficiency with email, Microsoft Outlook, Word, Excel, and the ability to learn and use dealership management and diagnostic software.
• Excellent communication, organizational, problem-solving, and decision-making skills.
• Ability to work independently and as part of a team.

Responsibilities

• Diagnose and repair medium- and heavy-duty diesel engines and related systems.
• Perform complete engine and transmission rebuilds.
• Complete preventative maintenance and major mechanical repairs.
• Accurately document repairs and diagnostic findings.
• Communicate with Parts and Service teams to ensure repairs stay on schedule.
• Identify additional maintenance or safety concerns for customers.
• Maintain a clean, organized, and safe work environment.
• Follow manufacturer repair procedures and dealership standards.
• Stay current on OEM technical bulletins and industry best practices.
• Mentor apprentice technicians and help lead the team when needed.

Skills

Diesel diagnostic experience

Strong mechanical aptitude

Problem solving

Mentoring

Communication

Teamwork

Detail oriented

Independent work

Education

High School Diploma or GED

Tools

Dealership management software

Diagnostic software

Microsoft Outlook

Excel

Job description

Location: 7250 E 56th Ave.
Commerce City, CO, 80022

Are you looking to further develop your profession into a career? Are you driven by opportunity?

Nextran Truck Centers is hiring!

Our Employees Benefit from:

Career Paths|| Network of 30 Dealerships || Disability Insurance || Paid Time Off || Nextran Paid Life Insurance

Family Centered Values || Medical and Dependent Care FSA || 401(k) Retirement Plan with Match || Company-Paid Holidays || EAP

Great Medical, Dental, & Vision Benefits || Social Responsibility Opportunities || 28+ Years of Industry Experience || Professional Growth

Diesel Engine Shop Technician, Denver, CO

Salary: $32 -$49 per hour, based on individual skills, certifications, education, and experience.

Hours of Work: 7:00 AM – 3:00 or 3:30 PM; Monday through Friday

Apply Before: September 30th, 2026

Background Check, MVR (Motor Vehicle Record), Physical, and Drug Screening Required

Join Our Team as a Diesel Engine Technician!

Build Your Career with a Shop That Values Your Skills

Are you an experienced Diesel Technician who takes pride in solving tough engine problems and getting trucks back on the road? If you're passionate about diagnostics, rebuilding engines, and working with a team that values quality craftsmanship, we want to meet you!

We're looking for a Diesel Engine Technician to join our Engine Shop. In this role, you'll diagnose, repair, rebuild, and maintain medium- and heavy-duty trucks while working with some of the best technicians in the industry. You'll also have opportunities to mentor teammates, lead projects, and continue growing your career.

What You'll Do

No two days are the same!

• Diagnose and repair medium- and heavy-duty diesel engines and related systems.
• Perform complete engine and transmission rebuilds.
• Complete preventative maintenance and major mechanical repairs.
• Accurately document repairs and diagnostic findings.
• Communicate with Parts and Service teams to ensure repairs stay on schedule.
• Identify additional maintenance or safety concerns for customers.
• Maintain a clean, organized, and safe work environment.
• Follow manufacturer repair procedures and dealership standards.
• Stay current on OEM technical bulletins and industry best practices.
• Mentor apprentice technicians and help lead the team when needed.

What We're Looking For

We're searching for someone who enjoys solving problems and takes pride in delivering quality work.

Qualifications

• 3-5+ years of diesel diagnostic experience (10+ years preferred)
• High School Diploma or GED
• Valid driver's license with an acceptable driving record (CDL is a plus)
• Master Technician certifications in multiple areas preferred
• ASE Certifications are a plus
• Strong mechanical aptitude and troubleshooting skills
• Intermediate computer skills, including proficiency with email, Microsoft Outlook, Word, Excel, and the ability to learn and use dealership management and diagnostic software
• Excellent communication, organizational, problem-solving, and decision-making skills
• Ability to work independently and as part of a team

What Makes You Successful

You are someone who:

• Pays attention to the details.
• Works efficiently without sacrificing quality.
• Enjoys mentoring and helping teammates grow.
• Takes pride in keeping equipment safe and reliable.
• Has a positive attitude and strong work ethic.

Physical Requirements

This position requires the ability to:

• Lift up to 50 lbs. regularly, 75 lbs. frequently, and over 100 lbs. occasionally with assistance or appropriate equipment.
• Stand, walk, bend, kneel, crouch, crawl, and climb throughout the workday.
• Safely operate hand tools, power tools, torque wrenches, and shop equipment.
• Work above shoulder height and underneath vehicles using creepers or lifting equipment.
• Enter and exit truck cabs and access engine compartments safely.

We are a network of commercial truck dealerships committed to providing the best products and services through highly skilled associates who are focused on delivering the lowest life-cycle cost to our customers. Spanning the Southeast and Midwest United States, we provide sales, parts, and service for several leading brands, including Mack, Volvo, Isuzu, GMC, Ford, Hino, and Kalmar Ottawa. EEO Employer