Mobile Diesel Technician – Field Service (Flexible Shifts)

Coffee Cup Fuel Stops; Sioux Falls (SD); On-site; USD 52,000 - 78,000; Full time

Benefits offered by this job

Weekly pay

401(k) with company match

Paid Time Off

Premium pay for overnight shifts

Scholarship opportunities

Job summary

Coffee Cup Travel Plazas seeks a Mobile Diesel Technician to service Sioux Falls and surrounding areas. This largely field-based role requires independent work, strong diagnostic ability, and clear communication with leadership to ensure timely, safe repairs.

You’ll diagnose and repair diesel engines, travel to client locations, and document work while upholding safety standards and company policies. Applicants should be adaptable and customer-focused.

Qualifications

• High school diploma or equivalent required; technical training or diesel certification preferred.
• Proven experience as a diesel technician or mechanic, with mobile service experience strongly preferred.
• Strong working knowledge of diesel engines, electrical systems, hydraulics, and braking systems.
• Ability to troubleshoot and resolve issues efficiently with minimal supervision.
• Valid driver’s license and clean driving record.
• Strong organizational skills and the ability to manage time and priorities independently.
• Reliable communicator who can maintain consistent contact with leadership and provide status updates.
• Professional demeanor with a strong focus on customer service.
• Willingness to travel regularly and work outdoors in varying weather conditions.
• Availability to work fluctuating morning and evening shifts, including rotating weekends.

Responsibilities

• Diagnose, repair, and maintain diesel engines, transmissions, braking systems, electrical systems, and related components.
• Travel throughout Sioux Falls and surrounding communities to perform mobile service calls.
• Perform routine inspections and preventive maintenance to reduce breakdowns and improve equipment reliability.
• Utilize diagnostic tools and technology to accurately identify mechanical and electrical issues.
• Work independently in the field while maintaining regular communication with your supervisor in Summit, SD.
• Accurately document work performed, parts used, and time spent on each service call.
• Communicate clearly and professionally with customers regarding repairs, timelines, and recommendations.
• Follow all safety standards, DOT guidelines, and company policies at all times.
• Represent Coffee Cup and TA Truck Service with integrity, professionalism, and a service-first mindset.
• Stay current on diesel technology, repair methods, and industry best practices.

Skills

Diesel diagnostics

Field service

Troubleshooting

Customer service

Communication

Education

High school diploma or equivalent

Diesel certification preferred

Tools

Diagnostic tools

Job description

Coffee Cup Travel Plazas seeks a Mobile Diesel Technician to service Sioux Falls and surrounding areas. This largely field-based role requires independent work, strong diagnostic ability, and clear communication with leadership to ensure timely, safe repairs.

You’ll diagnose and repair diesel engines, travel to client locations, and document work while upholding safety standards and company policies. Applicants should be adaptable and customer-focused.