Diesel Service Manager Jobs in Minnesota (NOW HIRING)

Minimum Qualifications:

1. Education:

• High school diploma or GED required.
• Completion of advanced vocational, technical, or trade school training in automotive, diesel, or heavy equipment technology preferred.

1. Experience:

• Minimum of 2- 5 years of progressive hands-on experience in vehicle diagnostics, maintenance, and complex repairs in a dealership, commercial fleet, or heavy-duty service environment preferred.
• Demonstrated experience mentoring or training junior technicians is preferred.

1. Licenses/Certifications:

• Valid driver’s license required.
• Automotive Service Excellence (ASE) Master Technician certification or equivalent preferred.
• OEM-specific certifications (e.g., Diesel Engines) preferred.
• Commercial Driver’s License (CDL) or ability to obtain one is preferred.

1. Technical Proficiency:

• Advanced diagnostic skills with proficiency in using electronic diagnostic tools and manufacturer software.
• Strong ability to interpret complex wiring diagrams, technical bulletins, and repair manuals.

1. Other Requirements:

• Ability to work independently and provide technical leadership to others.
• Must meet the physical demands of the job, including lifting heavy parts and working in confined spaces.
• Flexibility to work overtime, weekends, or on-call as required.

Essential Functions:

1. Oversee Daily Shop Operations and Workflow

• Review incoming repair orders to assess workload, priority, and technician skill alignment.
• Assign jobs to technicians based on capabilities, availability, and urgency.
• Monitor repair progress throughout the day and make adjustments to maintain productivity and meet promise times.
• Coordinate workflow between service advisors, parts department, and technicians to ensure efficient shop operations.
• Serve as the primary point of contact for technical escalations and complex repair situations.

1. Provide Advanced Diagnostics and Technical Expertise

• Perform highlevel diagnostics on the most difficult, unusual, or escalated repairs.
• Verify diagnostic conclusions of junior or midlevel technicians when additional confirmation is needed.
• Guide technicians through advanced troubleshooting procedures and ensure accurate rootcause analysis.
• Maintain mastery of manufacturer systems, service procedures, and technical updates.

1.  Ensure Quality Control and Repair Accuracy

• Conduct final inspections on repairs requiring seniorlevel oversight.
• Verify that completed work meets manufacturer, safety, and company standards.
• Review repair documentation and confirm completeness, accuracy, and compliance.
• Test drive vehicles postrepair to ensure safe and proper operation when required.
• Identify recurring repair issues and collaborate with service management to address underlying causes.

1. Support and Develop Technicians

• Mentor, train, and support apprentice, junior, and intermediate technicians.
• Demonstrate proper diagnostic methods, repair techniques, and use of specialty tools.
• Provide constructive feedback on performance, quality, and efficiency.
• Assist in onboarding new technicians and guiding them through shop expectations and processes.
• Promote a learning environment by sharing technical knowledge and best practices.

1. Coordinate with Service Advisors and Parts Department

• Communicate clearly with service advisors regarding repair status, additional findings, and required approvals.

• Work directly with parts personnel to identify needed components, resolve parts delays, and support accurate parts sourcing.
• Provide accurate labor times and technical explanations to support estimate creation and customer communication.
• Help service advisors understand complex repair needs so they can relay information accurately to customers.

1.  Maintain Safety, Cleanliness, and Regulatory Compliance

• Model and enforce safe work practices and adherence to OSHA, DOT, and shop safety standards.
• Conduct routine safety inspections of equipment, lifts, and work areas.
• Ensure technicians follow proper procedures for hazardous materials, waste disposal, and environmental compliance.
• Promote a clean, organized, and hazardfree shop environment.

1. Perform Advanced and Complex Repairs

• Carry out the most technically demanding vehicle repairs, overhauls, and diagnostic procedures.
• Adapt repair strategies when unexpected issues or deviations arise.
• Maintain precision and attention to detail while working on critical vehicle systems (engine, aftertreatment, electrical, hydraulic, etc.).
• Ensure all tools, diagnostic equipment, and specialty items are maintained and functioning properly.

1. Support Documentation and Communication Standards

• Review and validate technician repair documentation for completeness and accuracy.
• Document own diagnostic tests, repair steps, parts used, and findings in detail.
• Communicate clearly with service management regarding shop performance, training needs, and process improvements.
• Assist in tracking open repair orders and ensuring timely job closeout.

1. Maintain High Professional Standards and Team Leadership

• Model professionalism, integrity, and accountability for the entire shop.

• Support a positive workplace culture built on teamwork, respect, and continuous improvement.
• Participate in shop meetings, technical discussions, and ongoing training opportunities.
• Maintain confidentiality and represent the company’s values in all customer and internal interactions.

1.  Meet Physical and Technical Requirements of the Role

• Perform physically demanding tasks including lifting heavy components, working in confined spaces, and standing for extended periods.
• Maintain physical ability to safely operate equipment, tools, and vehicles.
• Keep pace with rapidly changing technology, diagnostic tools, and manufacturer systems.