Diesel Engine Mechanical Engineer Jobs in Colorado

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 a.m.3:00 or 3:30 p.m.; Monday through Friday

Apply Before: Monday, August 31, 2026

Candidates must successfully complete a pre-employment drug screening, background investigation, physical abilities assessment, and motor vehicle record (MVR) check.

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!

Your responsibilities will include:

• 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)
• Cummins Engine Repair Certification (Required)
• 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:

• Loves diagnosing challenging engine issues.
• 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.

Why Join Us?

We're committed to investing in our technicians and creating a workplace where your experience is recognized and your career can grow.

Ready to Put Your Skills to Work?

If you're an experienced diesel technician looking for your next opportunity with a company that values expertise, teamwork, and professional growth, we'd love to hear from you.

Apply today and help keep our customers moving!

Nextran Core Hiring Competencies:

• Customer Focus - Building strong customer relationships and delivering customer-centric solutions
• Instills Trust - Gaining the confidence and trust of others through honesty, integrity, and authenticity
• Communicates Effectively - Developing and delivering multi-mode communications that convey a clear understanding of the unique needs of different audiences
• Action oriented - Taking on new opportunities and tough challenges with a sense of urgency, high energy, and enthusiasm
• Decision quality - Making good and timely decisions that keep the organization moving forward

Notice Regarding Job Posting Scams

We are aware that fraudulent job postings and recruitment scams are becoming more common. Please be advised that legitimate communications from our company will only come from official company email addresses and through our verified hiring platforms.

We will never ask candidates to provide payment, purchase equipment, or share sensitive personal or financial information (such as bank account details or Social Security numbers) during the initial application or interview process.

If you receive a suspicious message claiming to represent our company, please do not respond or provide any information. Instead, report the communication to us through our official website or apply directly through our verified job postings.

Your safety and privacy are important to us, and we encourage all applicants to remain vigilant when searching for employment opportunities.

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