Mobile Diesel Mechanic/Technician (2148)
Kooner Fleet Management Solutions is one of the fastest-growing national providers of on-site fleet maintenance, preventative service, and mobile repair solutions. With nearly a decade of industry experience, Kooner FMS helps fleets reduce downtime, extend vehicle life, and simplify operations through proactive maintenance programs and advanced technology. As a family-founded and field-first company, we take pride in delivering trusted partnerships, exceptional service, and innovative fleet management solutions that keep America's trucks and trailers road-ready.
About the role
As a Mobile Diesel Mechanic/Technician, you'll be the expert our customers rely on to keep their fleets on the road. This field-based role is perfect for skilled technicians who enjoy independence and variety in their work. You'll be responsible for performing preventative maintenance, diagnostics, and repairs on Class 6-8 trucks and trailers, including emergency roadside service when needed. Geared up with your own, fully equipped company service truck, top-tier tools, and a supportive team that values your skill, drive and dedication, you'll tackle new challenges every day and take pride in delivering safe, reliable and efficient service that keeps America moving.
Responsibilities
- Perform onsite preventative maintenance, DOT inspections and follow up repairs on Class 6-8 trucks and trailers in a mobile field environment.
- Handle emergency road service calls with confidence and urgency.
- Respond to dispatch requests for scheduled and unscheduled service or maintenance.
- Diagnose and repair electrical, brake, cooling, and air systems - everything that keeps a fleet running strong.
- Use advanced diagnostic tools, including handheld computers and precision instruments, to identify and fix issues fast.
- Put your expertise to work using hand tools, power tools, and welding equipment to get the job done right.
- Road test vehicles to ensure every repair meets top-quality standards.
- Stay productive and efficient, meeting or beating industry-standard repair times.
- Work with trusted vendors to source parts and keep operations moving.
- Take ownership of a company-issued service truck, perform maintenance and pre- and post-trip inspections, and ensuring safety compliance.
- Jump in wherever needed - we're a team that supports each other.
Requirements
- At least 3 years of hands-on diesel tech experience working on Class 6-8 trucks and trailers.
- DOT inspection and air brake repair expertise that keeps fleets rolling safely.
- Strong communication skills - you know how to connect and communicate with customers and drivers alike.
- Comfortable using mobile apps, navigation systems and digital tools to stay organized and document repairs.
- Ready for the outdoors - rain or shine at customer yards.
- Independent, dependable, and self-motivated - you take pride in getting the job done right.
- A positive attitude and safety-first mindset.
- Must be 23+ with a clean driving record and a valid driver's license.
- Bring your own hand tools and we'll supply everything else.
Work Environment
Work in dynamic, high-traffic areas - safety and precision are key. Expect exposure to dust, diesel fumes, and noise typical of a shop or yard environment. Safely handle chemicals, oils, and grease as part of repair work. Be ready to lift, move, and position heavy equipment or components. Stay active - you'll bend, kneel, crawl, and crouch to access vehicle components. Work outdoors in all weather conditions - rain or shine, our team gets it done.
Schedule
(3 Shifts Available) Tuesday-Saturday, 9:00PM - 6:00AM; Sunday-Thursday, 6:00PM - 3:00AM; Sunday-Thursday, 8:00AM - 5:00PM