Senior Diesel Mechanic

ABC Companies • Grand Prairie, TX

4d • Onsite

About The Position

ABC Companies is a leading provider of transportation solutions, offering vehicles for 8-81 passengers, along with parts, service, and financing to support fleet operators across North America. Family-owned and operated since 1972, ABC is driven by its mission to advance the transportation industry through innovative, collaborative solutions that redefine the standard. Guided by its core values of Integrity, Trust, Collaboration, and Innovation, ABC is committed to delivering customer-focused, high-quality solutions that enhance safety, performance, and reliability. The Service Technician IV is responsible for inspecting, diagnosing, repairing, and maintaining motorcoaches and other commercial vehicles. This role is responsible for performing advanced diagnostics and complex mechanical and electrical repairs, while also providing technical guidance and support to other service technicians. The Service Technician IV assists shop leadership in troubleshooting difficult repairs, maintaining quality standards, and ensuring service work is completed efficiently and safely.

Requirements

• 5–10 years of motorcoach or heavy commercial vehicle service experience required.
• Experience with heavy-duty diesel equipment strongly preferred, including tractor/trailer, heavy machinery, or material handling equipment.
• High-voltage / electric vehicle (EV) experience highly valued.
• Candidates with significant EV experience may be considered with slightly less coach-specific experience.
• Previous shop lead or senior technician experience preferred, but not required.
• Demonstrated ability to perform advanced troubleshooting and diagnostics across complex mechanical, electrical, HVAC, and electronic vehicle systems.
• Proven ability to serve as a technical resource for other technicians and providing guidance.
• Experience performing root cause analysis and advanced diagnostics to resolve recurring mechanical or system issues.
• Must possess the tools necessary to complete assigned responsibilities.
• Experience with body and frame repairs and interior component repair and replacement.
• Audio/Video systems knowledge preferred but not required.
• EPA refrigerant certification required or ability to obtain within 30 days.
• Computer proficiency required, including Microsoft Office, service writing systems, work order tracking, and shop software.
• Valid driver’s license required.
• CDL Class B with passenger endorsement preferred.
• Relevant certifications (ASE, Cummins, Detroit, Allison, etc.) preferred.

Nice To Haves

• Experience with heavy-duty diesel equipment strongly preferred, including tractor/trailer, heavy machinery, or material handling equipment.
• High-voltage / electric vehicle (EV) experience highly valued.
• Previous shop lead or senior technician experience preferred, but not required.
• Audio/Video systems knowledge preferred but not required.
• CDL Class B with passenger endorsement preferred.
• Relevant certifications (ASE, Cummins, Detroit, Allison, etc.) preferred.

Responsibilities

• Inspect, diagnose, repair, and maintain motorcoaches, commercial and non-commercial vehicles, and other equipment as directed.
• Perform advanced troubleshooting and diagnostics across mechanical, electrical, HVAC, and electronic vehicle systems.
• Serve as a technical resource for Service Technicians I–III, assisting with complex repairs and problem resolution.
• Assist shop leadership in troubleshooting difficult repairs and identifying root causes of recurring mechanical issues.
• Ensure all repairs and diagnostic findings are accurately documented on work orders using shop computer systems and associated software.
• Maintain and promote a safe, clean, and organized work environment and adhere to all company safety policies and procedures.
• Maintain compliance with EPA, OSHA, DOT, and other applicable regulations.
• Identify required parts and materials needed to complete repairs and communicate with parts personnel as needed.
• Maintain accurate time and attendance reporting.
• Continuously work to expand knowledge and maintain proficiency in emerging technologies, diagnostic tools, and repair techniques.
• Demonstrate professionalism and uphold ABC’s core values at all times.
• Other duties and responsibilities as assigned.

Benefits

• ABC Companies is an equal opportunity employer. All employment decisions are based on business needs, job requirements, and individual qualifications, without regard to race, color, religion, sex, age, national origin, disability, veteran status, genetic information, and other legally protected categories.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed