Mobile Mechanic

Keller Logistics Group is an asset-based third party logistics (3PL) provider headquartered in Defiance, Ohio. We got our start in 1978 as Thomas E. Keller Trucking and have since evolved into four affiliate companies: Keller Trucking, Keller Warehousing & Co-Packing, Keller Freight Solutions and Keller Industrial Properties. At Keller, our purpose is simple: Delivering for Our People. We believe great companies are built by great people, which is why we invest in our employees, support career growth, and foster a culture of respect, teamwork, accountability, and continuous improvement. Whether you're behind the wheel, in a warehouse, supporting operations, or working in a corporate role, your contributions matter. When you join Keller, you become part of a team dedicated to making a difference for our customers, our communities, and each other.

Keller Trucking is currently in search of a Mobile Mechanic. This position will travel to various locations to diagnose, adjust, repair, or overhaul the fleet's semi-truck tractors and trailers, and maintain and repair various types of diesel engines within the fleet. As this is a mobile position, a valid driver's license is required.


ESSENTIAL JOB FUNCTIONS include the following. Other duties may be assigned. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.

• Maintain proficiency in the diagnostics and repair of all assigned equipment.
• Perform routine maintenance such as changing oil, checking batteries, and lubricating equipment and machinery.
• Inspect brake systems, steering mechanisms, wheel bearings, and other important parts to ensure that they are in proper operating condition.
• Adjust and reline brakes, align wheels, tighten bolts and screws, and reassemble equipment.
• Attach test instruments to equipment and read dials and gauges to diagnose malfunctions.
• Examine and adjust protective guards, loose bolts, and specified safety devices.
• Inspect, test, and listen to defective equipment to diagnose malfunctions, using test instruments such as handheld computers, motor analyzers, chassis charts, or pressure gauges.
• Rewire ignition systems, lights, and instrument panels.
• Use hand tools, such as screwdrivers, pliers, wrenches, pressure gauges, or precision instruments, as well as power tools, such as pneumatic wrenches, lathes, welding equipment, or jacks and hoists.
• Rewire ignition systems, lights, and instrument panels.
• Install, mount, and dismount tires.
• Read and comprehend service troubleshooting guides using OEM software.
• Perform safety and annual inspections in accordance with FMCSA regulations.
• Perform service calls for emergency breakdowns during working hours as needed.
• Maintain a clean and safe work area in accordance with company/OSHA standards.
• Assist in the completion of required documentation including vehicle write-ups, work orders, and timecards.
• Interact courteously and professionally with drivers, vendors, and other employees regarding vehicle repairs.

EDUCATION AND EXPERIENCE or an equivalent combination of education, training and experience will be considered.

• High school diploma or equivalent, preferably from an accredited Diesel Mechanics program.
• Basic level of skill in diesel after treatment, air brakes, electrical and lighting systems.
• Brake certification in accordance with FMCSA § 396.25 required.
• Experience with OEM software is preferred.

KNOWLEDGE, SKILLS AND ABILITIES which may be representative but not all inclusive of those commonly associated with this position.

• Knowledge of machines and tools, including their designs, uses, repair, and maintenance.
• Organized, detail-oriented, and able to work independently.
• Ability to manage processes, make decisions and take appropriate action.
• Ability to be flexible in a fast paced and changing environment.
• PC skills including but not limited to: MS Word and Outlook.

If you feel you are qualified for this position we welcome you to apply on our Keller Careers Page . Interested in learning more about Keller? Check out our Company History page and website! EOE