Heavy Diesel Mechanic

Job Overview

Diesel Mechanics are responsible for the maintenance and repair of diesel-powered vehicles. Their duties include running diagnostic tests on vehicles, test driving vehicles to gauge performance and maintaining detailed records of the vehicles they have serviced. We are looking for candidates with good attention to detail for the position of Light Diesel Mechanic. The primary duties include performing diagnostic tests on diesel vehicles to find faults, analyzing diagnostic test results, and repairing or replacing parts, including heating and cooling systems, air brakes and electrical system components.

Servicing the vehicles, lube changes, filters, and tires.

Days 7:00 am to 3:30 pm (OT as needed, one on‑call weekend a month)

• Running diagnostic tests on vehicle.
• Analyzing diagnostic test results.
• Repairing or replacing braking systems.
• Checking vehicle lighting systems.
• Test driving vehicles to gauge performance.
• Performing preventative maintenance on vehicles.
• Maintaining detailed records of serviced vehicles.
• Adhering to an inspection procedure checklist.
• Maintaining a parts inventory.
• Ensuring the cleanliness of the shop and your work area.

• Degree or Diploma in Mechanical or Automotive Engineering is a plus.
• ASE Diesel Certification advantageous.
• Valid driver’s license, CDL or must be able to obtain one.
• Aptitude for mathematics and science.
• Advanced knowledge of diesel engine components.
• Good IT and diagnostic skills.
• Physically fit and able to lift up to 150 pounds.
• Proficiency with maintenance and repair tools.
• Attention to detail.
• Good interpersonal skills.
• Excellent verbal communication skills.
• Good organization skills.

From people to products, Marvin is committed to creating better ways of living. When you join this family‑owned and
-led window and door company, you belong to a community full of opportunities. For more than a century, we’ve been at the forefront of designing, building, and engineering premium, award‑winning products. Today, Marvin is also proud to have been named a Top Large Employer by Forbes Magazine two years in a row, in 2024 and 2025. With operations in 19 cities across North America, we manufacture Marvin’s quality products, including Infinity Replacement Windows and Doors, and Tru Stile Doors.

Together, we uphold our values and foster a culture where safety and the wellbeing of our people comes first. We take a better living approach with benefits to support you at work and beyond. From day one, you will enjoy health insurance, paid holidays, paid parental leave, a 401(k) retirement savings match and more!

• $300 annual wellbeing account to spend on what helps you feel happy + healthy
• Better Living Day! (a paid day off to go have some fun)
• Annual profit sharing – recognizing everyone’s contribution to Marvin’s success
• Giving at Marvin – participate in organized volunteer opportunities
• Brighter Days Fund – financial support from your colleagues and the Marvin family during personal hardships

Join the more than 8,000 Marvin team members to experience these benefits and more.

Marvin is committed to creating an inclusive environment for all employees and applicants. Employment decisions are made without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other protected status under applicable laws. Applicants requiring reasonable accommodation for any part of the application and hiring process may contact us at

$24.00 - $32.00 per hour