Mobile Diesel Mechanic/Technician (2123)

About Kooner Fleet Management Solutions

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.
• Use advanced diagnostic tools, including handheld computers and precision instruments, to identify and fix issues fast.
• Perform repairs using hand tools, power tools, and welding equipment.
• 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 ensure safety compliance.
• Support teammates by stepping in wherever needed.

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.
• Strong communication skills to connect with customers and drivers.
• Comfortable using mobile apps, navigation systems and digital tools to stay organized and document repairs.
• Willing to work outdoors in all weather conditions.
• Independent, dependable, and self-motivated with a safety-first mindset.
• Must be 23+ with a clean driving record and a valid driver's license.
• Bring your own hand tools; company supplies everything else.

Work Environment

• Work in dynamic, high-traffic areas where safety and precision are key.
• Exposure to dust, diesel fumes, and noise typical of shop or yard environments.
• Handle chemicals, oils, and grease as part of repair work.
• Lift, move, and position heavy equipment or components.
• Stay active—bend, kneel, crawl, and crouch to access vehicle components.
• Work outdoors in all weather conditions.

Benefits

• Competitive pay starting at $34–38/hr based on experience.
• Weekly paydays every Friday.
• Company-provided service truck for home use.
• Company-paid fuel card.
• Cell phone allowance included.
• 401(k) with company match.
• Medical, dental, and vision coverage after 30 days.
• Paid vacation, sick time, and holidays.
• Life and disability insurance.
• Employee Assistance Program.
• Referral bonuses of $500 per successful hire (no limit).
• Career growth opportunities in a rapidly expanding organization.

Schedule

• Tuesday–Saturday: 8:30 PM – 5:30 AM
• Sunday–Thursday: 6:00 PM – 3:00 AM