Diesel Technician - Master !

RWC Group; Seattle (WA); On-site; USD 4,821,600 - 6,199,200; Full time

Benefits offered by this job

Competitive pay

Comprehensive benefits package

401(k) with company match

Paid time off and holidays

Ongoing training and career growth

Job summary

RWC Group in the Western United States seeks a Journeyman Diesel Technician to diagnose, repair, and maintain medium- and heavy-duty trucks and buses. The role requires independence, safety compliance, and commitment to quality workmanship.

You will mentor apprentice and entry-level technicians, document repairs and parts usage, and participate in ongoing training to maintain fleet uptime and operational excellence.

Qualifications

• High school diploma or GED required.
• 5+ years diesel truck repair experience.
• Ability to independently diagnose and repair medium- and heavy-duty vehicles.
• Valid driver’s license and ability to obtain certifications.

Responsibilities

• Diagnose, troubleshoot, and repair medium- and heavy-duty diesel trucks, buses, and related equipment.
• Perform repairs on engines, transmissions, differentials, clutches, drivetrains, steering, suspension, brakes, HVAC, and electrical systems.
• Accurately document repairs, diagnostics, parts usage, and labor performed.
• Mentor and assist apprentice and entry-level technicians with diagnostics, repair procedures, and best practices.
• Maintain a clean, safe, organized work area and comply with safety standards.

Skills

Diesel truck repair

Diagnostics

Mechanical troubleshooting

Mentoring others

Documentation

Safety compliance

Education

High school diploma or GED

Diesel technology / heavy equipment program

Tools

OEM diagnostic software

Scan tools

Service information systems

Job description

RWC Group is seeking a skilled and experienced Journeyman Diesel Technician to diagnose, repair, and maintain medium- and heavy-duty commercial trucks and buses. The Journeyman Technician independently performs complex mechanical, electrical, hydraulic, pneumatic, and diagnostic repairs while ensuring quality workmanship, safety compliance, and customer satisfaction. This position serves as a technical resource for less experienced technicians and plays a critical role in maintaining fleet uptime and operational excellence.

Essential Responsibilities

• Diagnose, troubleshoot, and repair medium- and heavy-duty diesel trucks, buses, and related equipment.
• Perform repairs on diesel engines, transmissions, differentials, clutches, drivetrains, steering, suspension, brake systems, HVAC, and electrical systems.
• Utilize OEM diagnostic software, scan tools, and service information systems to identify and resolve mechanical and electrical issues.
• Perform preventative maintenance inspections and services in accordance with manufacturer specifications.
• Complete warranty and customer-pay repairs according to OEM standards and company quality expectations.
• Inspect vehicles and identify additional maintenance or repair needs.
• Accurately document repairs, diagnostics, parts usage, and labor performed.
• Maintain productivity and efficiency standards while delivering high-quality workmanship.
• Mentor and assist apprentice and entry-level technicians with diagnostics, repair procedures, and best practices.
• Maintain a clean, organized, and safe work area.
• Participate in manufacturer and company-sponsored training programs to maintain technical proficiency.

Minimum Qualifications

• High school diploma or GED required.
• Minimum of 5 years of diesel truck repair experience or equivalent combination of education and experience.
• Proven ability to independently diagnose and repair medium- and heavy-duty commercial vehicles.
• Valid driver\'s license with an acceptable driving record. (this is a safety sensitive position)
• Ability to obtain and maintain any required certifications and licensing.
• Ability to frequently lift and carry up to 50 lbs.

Preferred Qualifications

• Completion of a diesel technology or heavy equipment technician program.
• ASE Medium/Heavy Truck Certifications.
• OEM certifications (Cummins, PACCAR, Detroit Diesel, Allison, Bendix, Meritor, Eaton, etc.).
• CDL or ability to obtain CDL.
• Experience with Kenworth, Peterbilt, International, Freightliner, Volvo, Mack, or commercial bus platforms.

Why RWC Group?

• Competitive pay
• Comprehensive benefits package
• 401(k) with company match
• Paid time off and holidays
• Ongoing training and career advancement opportunities

RWC Group is a family-owned commercial Truck and Bus dealership with 20+ locations throughout the Western United States. We specialize in new and used Truck and Bus sales, comprehensive service, parts distribution, long-term leasing, and short-term rentals. Our commitment to quality, customer service, and employee development makes us a leader in the commercial Truck and Bus industry.

Pay Range from $35.00 and up, depending on certifications, experience, and qualifications

RWC Group is an Equal Opportunity Employer M/F/V/H. This posting is intended to provide a general overview of the position. A complete job description, including essential duties, and qualifications is available and will be provided to candidates during the selection process.