Mobile Heavy Equipment & Diesel Mechanic

Custom Truck One Source • Fort Worth, TX

6d • Onsite

About The Position

Custom Truck One Source is hiring a Mobile Heavy Equipment & Diesel Mechanic to diagnose, repair, and maintain specialized truck-mounted equipment for customers across an assigned region. Most work takes place at customer sites, with occasional support in the shop. The role involves independent field work, customer interaction, and travel within and occasionally beyond the assigned territory.

The mechanic works on bucket trucks and aerial devices, digger derricks, truck-mounted cranes with LMI and CAN-bus systems, hydraulic utility equipment, and heavy- and light-duty truck chassis, diesel, and electrical systems. The company provides a utility service truck equipped with a crane, welder, and compressor, as well as a phone, computer, and diagnostic tools. The employee must provide their own mechanic tools and have a valid driver’s license; a CDL Class B is preferred.

The position requires a high school diploma or GED and at least five years of related field or shop technician experience. Compensation is based on experience, with overtime opportunities. Custom Truck One Source is an equal opportunity employer. Candidates must be authorized to work in the United States without sponsorship.

Requirements

• High school diploma or GED.
• At least 5 years of related experience as a field or shop technician.
• Valid driver’s license.
• Must provide own mechanic tools.
• Proficiency using documentation software and managing time effectively.
• Must be authorized to work in the U.S. without sponsorship.

Nice To Haves

• CDL Class B.
• Experience with electrical systems, hydraulics, welding, and schematic or blueprint reading.
• Experience with diagnostic software such as QuickServe or DTNA.
• DOT, ANSI, and dielectric testing experience.

Responsibilities

• Troubleshoot, repair, and maintain bucket trucks and aerial devices.
• Troubleshoot, repair, and maintain digger derricks.
• Troubleshoot, repair, and maintain truck-mounted cranes, including LMI and CAN-bus systems.
• Troubleshoot, repair, and maintain hydraulic utility equipment and major components.
• Troubleshoot, repair, and maintain heavy- and light-duty truck chassis, diesel, and electrical systems.
• Perform inspections, preventive maintenance, and on-site diagnostics.
• Read and interpret manuals, schematics, and repair orders.
• Use laptops and diagnostic software to identify issues.
• Accurately complete repair orders, timecards, inspection forms, and other documentation.
• Communicate with customers and CTOS teams to minimize downtime.
• Follow safety, environmental, and regulatory requirements.
• Participate in ongoing CTOS and manufacturer training.
• Travel within and occasionally beyond the assigned territory.

Benefits

• 401(k) with employer match.
• Medical, dental, vision, and life insurance.
• Paid vacation, sick time, and holidays.
• Short-term and long-term disability.
• Employee Stock Purchase Plan.
• Uniforms and safety boot and glasses allowance.
• Tool discount programs.
• Company-provided utility service truck equipped with a crane, welder, and compressor.
• Company phone, computer, and diagnostic tools.
• Overtime opportunities.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: High school or GED